Junior Software Engineer jobs at Leidos

Ready for your next career step? The Command and Control Incident Management Emergency Response Application (C2IMERA) program in Leidos' National Security Sector has current job opportunities for talented Software Engineers with 2+ years of hands-on experience to join our dynamic team. The successful candidate will work collaboratively with an outstanding team of software developers and engineers to continue to produce and field software on behalf of the US Air Force. This opportunity will provide professional growth that is singularly focused on providing world class solutions to our customers in an exciting, collaborative, and inclusive environment. You will be challenged and provided a tremendous opportunity for growth in a customer-facing, fast-paced, and rewarding environment. This position does allow remote work but candidates that are able to occasionally be onsite at any of the following locations would be preferred. The ideal locations would include Newport News, VA; Lexington, MA; Orlando, FL; Charlottesville, VA; Omaha, NE; or Morgantown, WV. Primary Responsibilities: Design, develop, troubleshoot, and debug mission critical software source code using modern software development languages and tools, such as java. Participate in the full software development lifecycle, working within broadly defined parameters. Use Agile development tools such as Jira, Confluence, and Bitbucket/Git to manage work and collaborate with your teams. Support creation and updating of all relevant documentation and specifications for design, development and testing. Identify potential roadblocks and develop around them. Plan and estimate development tasks and work to improve performance metrics. Develop maintainable code that matches specification. Develop automated tests leveraging a continuous integration process. Own delivery of small parts of a system or application. Work closely with other engineers to develop the best technical design and approach for new product development. Build software solutions where the solution is not always well defined but always considers the customer first. Basic Qualifications: Bachelor's degree with 2+ years of experience or a Masters degree with 1+ years of experience. Additional experience may be considered in lieu of a degree. US Citizen with the ability to obtain and maintain a DoD Secret clearance. Hands-on experience with Java/C++ and object-oriented programming (applicants will be tested). Hands-on experience with JavaScript and JS frameworks such as React. Ability to apply software development process fundamentals. Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques. Ability to complete tasking independently with minimal direct supervision. Ability to work and collaborate effectively within a multi-disciplined engineering team. Preferred Qualifications: US Citizen with an active Secret clearance. Familiarity with basic web technologies including HTML, CSS, XML, REST, JSON, SOAP, and WSDL Familiarity with web application technologies, such as Apache Tomcat, JBoss, etc. Knowledge of a version control system (e.g., Git). Knowledge of Agile Development methodologies. Familiarity with multiple operating systems (Mac OSX, Windows, LINUX, etc.). Familiarity with at least one Relational Database Management System (Oracle, MySQL, PostgreSQL, SQL Server, etc.). Proficiency with MS Office Products (Word, Excel, Visio, & PowerPoint). Familiarity with NoSql databases (MongoDB, etc.). Familiarity with server-side JavaScript. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting:September 21, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range:Pay Range $67,600.00 - $122,200.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos is dedicated to making the world a safer place. This starts with helping our customers in the Defense Industry achieve their critical missions. Our dedicated Defense Group employees are solving critical challenges across the globe. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos provides responsive, cost-effective engineering, scientific and IT solutions. Leidos is well known for our people-oriented culture, positive work environment, technical excellence, and resilient business ethics. Within the Defense Sector, the Airborne Systems Business Area at Leidos currently has an opening for a talented Aviation Software Engineer to work in our Huntsville office. This is an exciting opportunity to use your experience to help develop software for tactical strike, sensors, CUAS, and UAS solutions. This position focuses on the development of robust, innovative software frameworks, as well as the fielding, support, and maintenance of software products. Software products range from analysis tools/simulations, mission planning software, and components of mission-critical systems. Primary Responsibilities. Design and develop robust C++ software under the direction of a senior software engineer. Assist with creating and executing unit and integration tests on software components. Perform as part of an agile software development team for tasking and progress reporting. Participate in code reviews to maintain code quality and share knowledge with the team. Troubleshoot and resolve application issues and bugs in a timely manner. Other software development duties as assigned. Use GitLab software pipeline for performing configuration management and automated testing Direct communication with customers, end users, and team members will be required on a frequent basis. Basic Qualifications. Candidate must possess at least a bachelor's degree in software engineering, Computer Science, Computer Engineering, Electrical Engineering, Aerospace Engineering, Mathematics, or equivalent technical degree with an overall GPA of 3.0 or higher. Candidate should have 2-8 years of relevant technical experience. Have a proven track record of implementing software development principles. Candidate must demonstrate a strong competency in software development in C++. Have experience writing unit and integration tests with unit test frameworks. Possess an aptitude for the technical skills required for software development, configuration management, and software quality engineering concepts. Have strong analytical and process improvement skills along with a personal drive for details and quality workmanship. Possess an aptitude for the technical skills required for software test and software quality engineering concepts. Demonstrate familiarity with Microsoft Office (Outlook, Word, Excel, and PowerPoint). Have good communication skills. Security Clearance Qualifications. Must be a U.S. Citizen with the ability to obtain and maintain a Secret Security Clearance. Preferred Qualifications. Experience with applicable industry standards (IEEE 12207, CMMI, DO-178C and/or DO-278, RMF) is a plus. Candidate is expected to accept constructive feedback from more senior software team members. The ability to work across multiple products under development by multiple small teams is highly desirable. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting:September 22, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range:Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

The Leidos Digital Modernization Repeatable Offerings Organization has an exciting Software Architect position that will support and modernize cloud applications. This team is responsible for modernization of current and future mission critical applications and production support. Primary Responsibilities: • Serve as the software architect and technical lead for the modernization of a family of mission critical applications that are hosted in AWS GovCloud. • Create and deliver key architecture and design artifacts for review and approval by key customer leadership and technical SMEs. • Evaluate and influence technology and solution choices that provide long term benefit to the customer; communicate those benefits to customer leadership for buy-in and approval • Mentor and lead the full stack technical team responsible for the development and testing of the newly modernized application suite • Work closely with the project management team to establish achievable milestones; ensure deliverables are completed according to plan. • Communicate directly with the customer and senior Leidos leadership to ensure clear status, timely updates, and key technical artifacts are delivered as defined throughout the course of the project. • Participate in design, development, testing, and release of key functionality for large scale custom software projects to meet customer requirements • Evaluate systems architectures and code for performance and security issues and suggest best practice remediation approaches to ensure highly performant and secure deployed applications. • Provide technical leadership and mentorship to software developers, QA analysts, operations staff, supervisors, and clients • Provide team leads with technical expertise and schedule recommendations, updates and risk management approaches to ensure development activities proceed as needed BASIC QUALIFICATIONS: • Must be able to obtain and maintain a Public Trust security clearance (US Citizenship required) • A Bachelors' degree and 12+ years of prior experience with a critical role in the development of complex software solutions and developing and supporting software applications or a Master's with 10+ years of relevant experience. Additional years of experience may be substituted in lieu of a degree. • Strong knowledge of programming languages, development methodologies, and best practices • Proficient in the practical application of programming languages such as React, Angular JS, Vue, JavaScript, Node JS, HTML/CSS, Bash, etc. • Experience working with UI/UX designer, methodology, tools; collaborative refinement and implementing to defined specifications; previous cross browser development experience • Experience with Microservices, RESTful APIs, GraphQL, JSON • Able to provide technical guidance and leadership to the highly skilled development team • Working knowledge of relational databases, database design data modeling and SQL • Ability to research technically complex issues and provide a clear path to resolution • Experienced in Agile and Scrum development methodologies and processes • Strong problem-solving and analytical skills • Excellent verbal and written communication and leadership skills • In-depth knowledge of relational databases, database design data modeling with SQL and NoSQL • Responsible for researching technical issues and provide a clear path to resolution with strong problem-solving and analytical skills • Knowledge of cloud computing platforms, such as AWS and Azure. PREFERRED QUALIFICATIONS: • Certification in relevant technologies or architecture frameworks • Deeply experienced with RESTful APIs, JSON, AJAX, XHTML, SOAP • Design and development of web services experience If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting:November 20, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range:Pay Range $131,300.00 - $237,350.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. As one of the largest global security companies in the world, Northrop Grumman is proud to help our nation's military personnel make the transition to civilian careers. Approximately 1/4th of Northrop Grumman's 90,000 employees self-identifies as veterans, and more than 1,600 are reservists. The Northrop Grumman Military Internship Program (NG-MIP) is an approved SkillBridge Program under Dept. of Defense Instruction 1322.29. The NG-MIP program is an opportunity for transitioning service members to gain valuable civilian work experience through an individual internship during their last **6 months of service** , for up to **180 days** . The Northrop Grumman Military Internship Program is open to all ranks and experience levels. SkillBridge participants are **not eligible for compensation** from Northrop Grumman, as they continue to receive military compensation and benefits as **Active-duty service members** . Responsibilities for this internship position are: Northrop Grumman Corporation (NGC) has developed the Northrop Grumman - Military Internship Program (DoD SkillBridge) utilizing the DoDI guidance for Skillbridge. During this program the service member will be on-site at his or her host company performing an individual internship in an entry to mid-level career type role. The service member will be on the job training supporting a work schedule equivalent to 40hrs per week. Outlined below are the Goals, Objectives, and Outcomes for the program. _ _ _Goals - Provide transitioning service members fellowship-style job skills training during the last_ _portion_ _(s) of their military commitment. This program is specifically designed to offer internships that result in the potential to transition to a full-time opportunity as the conclusion of the training. Interns will serve as a pipeline for high-speed, motivated military candidates into NGC._ _Objectives - Service Members who complete the Intern program will be highly trained, capable, future employees that align to the specific needs of the organization and are prepared to meet the NG mission "Defining Possible" on Day 1. This program provides a comprehensive internship experience including professional development, networking with leadership, and training specifically focused on NG leadership principles, company history, customer/stakeholder engagement, product and service overview, and core job responsibilities._ _Outcome - Offer transitioning service member a rewarding opportunity to join the Northrop Grumman team._ **DoD SkillBridge Eligibility:** - Has served at least 180 days on active duty - Is within 12 months of separation or retirement - Will receive an honorable discharge - Has taken any service TAPS/TGPS - Has attended or participated in an ethics brief within the last 12 months - Received Unit Commander (first O-4/Field Grade commander in chain of command) written authorization and approval to participate in DoD SkillBridge Program prior to start of internship. Northrop Grumman Defense Systems (NGDS) is seeking a Cloud Engineer to maintain and enhance capabilities in support of DAF CLOUDworks at the Wright Patterson AFB / Beavercreek, OH. DAF CLOUDworks is a rapidly growing secure cloud program that encompasses 10+ teams. These teams span all different areas of cloud engineering including information security, infrastructure development, and cloud migration. You will be an active part of one of these teams providing technical support of customers leveraging DAF CLOUDworks. Along with operations and sustainment, DAF CLOUDworks focuses on modifying and enhancing offerings to implement new requirements, enhance functionality, increase efficiency, or lower operating/deployment. Successful candidates should: **_Have a track record as an effective communicator and problem solver who is able to develop and maintain good working relationships with internal stakeholders._** **_Be able to follow Agile Development process and full life cycle development_** **_Interface with multiple, geographically disbursed teams and effectively communicate project statuses and blockers_** **Basic Qualifications** A candidate must meet **ALL** of the below criteria. The candidate **must** : + An active Secret clearance with the ability to obtain a Top Secret clearance with Sensitive Compartmented Information (TS/SCI) + Bachelors degree in Science with 2 years' experience, Masters degree with no experience, or 6 years' experience in lieu of degree + Meets DoD SkillBridge qualifications as per DODI 1322.29 + Ability to contribute to the development of technical documentation + Knowledge of full software lifecycle and agile development methodologies + Strong analytical and problem-solving skills + Excellent written and verbal communication skills with the ability to operate in a team environment. + Highly motivated, self-learner, team player, and technically inquisitive + Able to obtain IAT Level II certification per DoD 8570.01 such as CASP+ or Security+ within 60 days of start date. **Preferred Qualifications:** + Be completing or has completed their degree (Bachelor's, Master's, or PhD) from an accredited institution + Be majoring in or having majored in a STEM (Science, Technology, Engineering or Math) degree + Knowledge of Cloud-based technologies (e.g. AWS, Azure, Google Cloud); certification is a plus + Proficiency in Python and Object-Oriented Design and Programming + Experience with Open Container Initiative (OCI) containerized application development (e.g. Docker, Podman) + Familiarity with container orchestration tools and techniques (e.g. Kubernetes, helm, flux) + Knowledge of the Atlassian toolset (e.g. Jira, Confluence, Bitbucket) + Experience leveraging Git for code management \#DAFCloud \#MPR Primary Level Salary Range: $79,300.00 - $118,900.00 The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business. The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit *********************************** U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: SecretTRAVEL: NoDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. As one of the largest global security companies in the world, Northrop Grumman is proud to help our nation's military personnel make the transition to civilian careers. Approximately 1/4th of Northrop Grumman's 90,000 employees self-identifies as veterans, and more than 1,600 are reservists. The Northrop Grumman Military Internship Program (NG-MIP) is an approved SkillBridge Program under Dept. of Defense Instruction 1322.29. The NG-MIP program is an opportunity for transitioning service members to gain valuable civilian work experience through an individual internship during their last 6 months of service, for up to 180 days. The Northrop Grumman Military Internship Program is open to all ranks and experience levels. SkillBridge participants are not eligible for compensation from Northrop Grumman, as they continue to receive military compensation and benefits as Active-duty service members. Responsibilities for this internship position are: Northrop Grumman Corporation (NGC) has developed the Northrop Grumman - Military Internship Program (DoD SkillBridge) utilizing the DoDI guidance for Skillbridge. During this program the service member will be on-site at his or her host company performing an individual internship in an entry to mid-level career type role. The service member will be on the job training supporting a work schedule equivalent to 40hrs per week. Outlined below are the Goals, Objectives, and Outcomes for the program. Goals - Provide transitioning service members fellowship-style job skills training during the last portion(s) of their military commitment. This program is specifically designed to offer internships that result in the potential to transition to a full-time opportunity as the conclusion of the training. Interns will serve as a pipeline for high-speed, motivated military candidates into NGC. Objectives - Service Members who complete the Intern program will be highly trained, capable, future employees that align to the specific needs of the organization and are prepared to meet the NG mission “Defining Possible” on Day 1. This program provides a comprehensive internship experience including professional development, networking with leadership, and training specifically focused on NG leadership principles, company history, customer/stakeholder engagement, product and service overview, and core job responsibilities. Outcome - Offer transitioning service member a rewarding opportunity to join the Northrop Grumman team. DoD SkillBridge Eligibility: - Has served at least 180 days on active duty - Is within 12 months of separation or retirement - Will receive an honorable discharge - Has taken any service TAPS/TGPS - Has attended or participated in an ethics brief within the last 12 months - Received Unit Commander (first O-4/Field Grade commander in chain of command) written authorization and approval to participate in DoD SkillBridge Program prior to start of internship. Northrop Grumman Defense Systems (NGDS) is seeking a Cloud Engineer to maintain and enhance capabilities in support of DAF CLOUDworks at the Wright Patterson AFB / Beavercreek, OH. DAF CLOUDworks is a rapidly growing secure cloud program that encompasses 10+ teams. These teams span all different areas of cloud engineering including information security, infrastructure development, and cloud migration. You will be an active part of one of these teams providing technical support of customers leveraging DAF CLOUDworks. Along with operations and sustainment, DAF CLOUDworks focuses on modifying and enhancing offerings to implement new requirements, enhance functionality, increase efficiency, or lower operating/deployment. Successful candidates should: Have a track record as an effective communicator and problem solver who is able to develop and maintain good working relationships with internal stakeholders. Be able to follow Agile Development process and full life cycle development Interface with multiple, geographically disbursed teams and effectively communicate project statuses and blockers Basic Qualifications A candidate must meet ALL of the below criteria. The candidate must: An active Secret clearance with the ability to obtain a Top Secret clearance with Sensitive Compartmented Information (TS/SCI) Bachelors degree in Science with 2 years' experience, Masters degree with no experience, or 6 years' experience in lieu of degree Meets DoD SkillBridge qualifications as per DODI 1322.29 Ability to contribute to the development of technical documentation Knowledge of full software lifecycle and agile development methodologies Strong analytical and problem-solving skills Excellent written and verbal communication skills with the ability to operate in a team environment. Highly motivated, self-learner, team player, and technically inquisitive Able to obtain IAT Level II certification per DoD 8570.01 such as CASP+ or Security+ within 60 days of start date. Preferred Qualifications: Be completing or has completed their degree (Bachelor's, Master's, or PhD) from an accredited institution Be majoring in or having majored in a STEM (Science, Technology, Engineering or Math) degree Knowledge of Cloud-based technologies (e.g. AWS, Azure, Google Cloud); certification is a plus Proficiency in Python and Object-Oriented Design and Programming Experience with Open Container Initiative (OCI) containerized application development (e.g. Docker, Podman) Familiarity with container orchestration tools and techniques (e.g. Kubernetes, helm, flux) Knowledge of the Atlassian toolset (e.g. Jira, Confluence, Bitbucket) Experience leveraging Git for code management #DAFCloud #MPR Primary Level Salary Range: $79,300.00 - $118,900.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit *********************************** U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

SAIC accepts applications on an ongoing basis and there is no deadline. SAIC is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, civilian and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives. We are approximately 24,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.5 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom. SAIC is seeking a Software Developer Associate. This role is 100% remote. RESPONSIBILITIES: Ensure PRIDE Mod application is properly configured and documented to enable, sustain and maintain interfaces with external commands and systems Analyze system for efficiencies Test and implement new technologies following standardized test and implementation procedures Review existing programs and assists in making refinements, reducing operating time, and improving current techniques Test changes for usability prior to deployment to the test environment Provide research, analysis, design, development, documentation, testing, and deployment of modifications Implement policies and procedures to track server trends. Monitor trends to help prevent systems outages Resolve technical/data exchange issues with scanning and document recognition software and exchange pertinent information Work as a member of a PRIDE MOD team Be responsible for program design, coding, testing, debugging, and documentation REQUIRED EDUCATION/EXPERIENCE/CERTIFICATIONS: Bachelors and two (2) years or more experience; 4 (four) years of experience in lieu of degree will be accepted REQUIRED SKILLS: This position requires a self-motivated, professional individual with demonstrated experience in designing and developing .NET applications, including: Experience as an application engineer/developer using .NET Frameworks, Visual Studio and Microsoft SQL Server Specific development experience with C# and SQL Proficiency with Visual Studio 2022 Demonstrated knowledge and understanding of the .NET Framework and .NET Core Understanding of the software development lifecycle, strong analysis skills, experience in designing, developing, implementing testing .NET based applications Demonstrated knowledge in working on an IT team implementing major software releases using SCRUM Agile methodology Proficiency in .NET development, specifically C#. Familiarity with web services, WCF, XML, XSLT, and other related technologies Strong understanding of SOA and EAI design patterns Experience with SQL Server and related database technologies Ability to understand and work with complex business requirements Strong problem-solving and troubleshooting skills Excellent written and verbal communication skills Experience with other integration tools and platforms is a plus REQUIRED EDUCATION/EXPERIENCE/CERTIFICATIONS: Bachelors and two (2) years or more experience; 4 (four) years of experience in lieu of degree will be accepted CLEARANCE: Must be a US Citizen with the ability to obtain a secret clearance Prior to the hire date, the candidate must possess one of the following Information Security certifications CompTIA Sec + certified DESIRED SKILLS: Familiarity with JavaScript frameworks such as Telerik and jQuery Business Objects reporting Experience in GUI design & AJAX Experience in implementing Service Oriented Architecture (SOA) via the web

The Opportunity: As a back-end developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to help create a system that will make a difference, we need you on our team. We're looking for a developer like you with the skills needed to develop software and systems from vision to production ready. This role is more than just coding. As a back-end developer at Booz Allen, you'll use your passion to learn new tools and techniques and identify needed system improvements. You'll help clients overcome their most difficult challenges using the latest architectural approaches, tools, and technologies. You'll help make sure the solution developed by the team considers the current architecture and operating environment, as well as future functionality and enhancements. Work with us as we shape systems for the better. Join us. The world can't wait. You Have: * 4+ years of experience designing, modifying, developing, writing, and implementing software programming applications * 4+ years of experience designing, optimizing and maintaining NoSQL databases * Experience with Python coding * Experience leading end-to-end design, scoping, and implementation of AWS-based tools * Experience with API Development * Experience in image processing, data exploitation, and analysis algorithm development * Experience in creating solutions to complex problems within a collaborative team environment * Active TS/SCI clearance; willingness to take a polygraph exam * Bachelor's degree and 4+ years of experience in software engineering, or Master's degree and 2+ years of experience in software engineering Nice If You Have: * Experience with DynamoDB * Experience with C++ * Experience with software configuration management using Git * Experience with containerization tools and techniques * Experience using back-end and front-end languages to develop complete solutions * Ability to acquire client requirements and resolve workflow problems through automation optimization Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance is required. Compensation At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $69,300.00 to $158,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen's total compensation package for employees. This posting will close within 90 days from the Posting Date. Identity Statement As part of the application process, you are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud. Work Model Our people-first culture prioritizes the benefits of flexibility and collaboration, whether that happens in person or remotely. * If this position is listed as remote or hybrid, you'll periodically work from a Booz Allen or client site facility. * If this position is listed as onsite, you'll work with colleagues and clients in person, as needed for the specific role. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

The Opportunity: As a back-end developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to help create a system that will make a difference, we need you on our team. We're looking for a developer like you with the skills needed to develop software and systems from vision to production ready. This role is more than just coding. As a back-end developer at Booz Allen, you'll use your passion to learn new tools and techniques and identify needed system improvements. You'll help clients overcome their most difficult challenges using the latest architectural approaches, tools, and technologies. You'll help make sure the solution developed by the team considers the current architecture and operating environment, as well as future functionality and enhancements. Work with us as we shape systems for the better. Join us. The world can't wait. You Have: 4+ years of experience designing, modifying, developing, writing, and implementing software programming applications 4+ years of experience designing, optimizing, and maintaining NoSQL databases Experience with Python coding Experience leading end-to-end design, scoping, and implementation of AWS-based tools Experience with API development Experience in image processing, data exploitation, and analysis algorithm development Experience creating solutions to complex problems within a collaborative team environment Active TS/SCI clearance; willingness to take a polygraph exam Bachelor's degree and 4+ years of experience in software engineering, or Master's degree and 2+ years of experience in software engineering Nice If You Have: Experience with DynamoDB Experience with C++ Experience with software configuration management using Git Experience with containerization tools and techniques Experience using back-end and front-end languages to develop complete solutions Ability to acquire client requirements and resolve workflow problems through automation optimization Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance is required. Compensation At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $69,300.00 to $158,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen's total compensation package for employees. This posting will close within 90 days from the Posting Date. Identity Statement As part of the application process, you are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud. Work Model Our people-first culture prioritizes the benefits of flexibility and collaboration, whether that happens in person or remotely. If this position is listed as remote or hybrid, you'll periodically work from a Booz Allen or client site facility. If this position is listed as onsite, you'll work with colleagues and clients in person, as needed for the specific role. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

Senior full-stack engineer to lead design, implementation, and sustainment of mission-critical web applications for defense customers. You will own architecture and delivery across .NET backends, Vue.js front ends, and SQL Server data layers, and shepherd solutions through secure SDLC, security compliance, and fielded deployments. This role requires technical leadership, systems thinking, and proven experience delivering reliable software in controlled or constrained environments. This position can be worked remote, but strong preference will be given to candidates local to Newport News, VA. Key responsibilities Design and implement scalable, secure backend services using C# (.NET Framework / .NET Core / ASP.NET) that satisfy performance, reliability, and accreditation requirements. Build and document RESTful Web APIs, leveraging OpenAPI/Swagger standards for discoverability and integration. Build front-end architecture and delivery using Vue.js/Nuxt, TypeScript, tailwind, component design, and modern state management patterns. Design relational database schemas, stored procedures, and queries with a focus on performance and maintainability. Drive API design and integrations, message patterns, and secure data exchanges. Own technical documentation, security artifacts, and deployment packages required for accreditation and fielding. Mentor and lead cross-functional teams; review code, set standards, and enforce best practices. Establish and maintain automated unit tests (e.g., NUnit) and contribute to overall test coverage strategy. Participate in incident postmortems and provide rapid response support for production and field issues. Coordinate with product, QA, and systems engineering to meet contract milestones, and audit requirements. Required qualifications Bachelor's Degree with 8 years professional software development experience with substantial full-stack delivery. Experience can be considered in lieu of a degree. Ability to obtain and maintain a TS/SCI Deep expertise in C# and .NET (Framework and Core/ASP.NET) and proven track record building backend systems. Strong mastery of Vue.js (or equivalent FE framework) and modern front-end engineering practices, including TypeScript, component patterns, tailwind, and performance optimization. Solid understanding of relational databases (SQL, schema design, performance considerations). Solid grasp of secure design principles and secure coding practices aligned to DoD requirements. Proven ability to design for constrained or disconnected deployments and to package software for controlled networks. Excellent communication skills; ability to present technical tradeoffs to leadership and mentor junior/mid engineers. Preferred qualifications Extensive experience with Microsoft SQL Server: indexing strategies, T-SQL optimization, and capacity planning. Prior experience in defense, intelligence, or classified environments; familiarity with accreditation lifecycle. Familiarity with performance/load testing and tools (e.g., JMeter) and capacity planning for mission systems. Background in data pipelines, integration middleware (e.g., NiFi), or message brokers (ActiveMQ/Artemis, Kafka). If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting:November 13, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range:Pay Range $107,900.00 - $195,050.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

The Civil Group at Leidos has an opening for an early career GenAI Application Developer to build and enhance AI-powered applications for an AWS Contact Center As a Service (CCAS) platform that uses Amazon Connect, Lex V2, Amazon Q in Connect, Contact Lens, Bedrock, OpenSearch, and Lambda (Python). This is a software development role focused on conversation flow design, Amazon Connect integrations, AI service orchestration, generative AI safety, and the creation of supporting APIs and data pipelines to improve customer experience through intelligent automation. You will work with senior developers, UI/UX designers, and cloud engineers to implement features that deflect customer contacts with voice/chat bots, optimize routing and flows, provide agents with real-time AI assistance, and ensure privacy/compliance controls. This is an exciting opportunity to grow your development skills while delivering secure, reliable, and innovative solutions in a mission environment. Primary Responsibilities Amazon Connect application development and configuration: Build, update, and maintain Amazon Connect contact flows, routing profiles, and queues to support both voice and chat channels. Integrate Lex V2 bots into Amazon Connect flows for call deflection, self-service transactions, and escalation. Enable and configure Contact Lens for real-time and post-contact analytics, transcription, summarization, sentiment analysis, and redaction. Configure Amazon Q in Connect domains, knowledge sources, guided workflows, and step-by-step agent assist experiences. Implement S3-based call and chat transcript storage with encryption, lifecycle policies, and retention compliance. AI orchestration and backend services: Write AWS Lambda (Python) functions to orchestrate Bedrock LLM calls, embeddings workflows, and model invocation logging. Implement OpenSearch indexing, vector/keyword queries, and knowledge synchronization triggers. Build retrieval-augmented generation (RAG) pipelines to enhance Amazon Connect agent assist and self-service knowledge. Apply structured logging, unit/integration tests, error handling, and performance/cost safeguards. Data safety and compliance: Implement AI guardrails, prompt templates, and output evaluation for safety and accuracy. Enforce PII minimization and redaction policies in Amazon Connect conversation logs. Participate in threat modeling and support remediation of findings for contact center integrations. Web and chat integration: Support CloudFront + WAF configurations for secure web chat entry points. Build APIs and event hooks to pass conversation context between web chat, Amazon Connect, and AI services. DevSecOps and operations: Contribute to Git-based CI/CD pipelines, code reviews, and documentation. Maintain runbooks, architecture diagrams, and SOPs for contact flows, bot integrations, and AI workflows. Create and monitor CloudWatch dashboards/alarms for call deflection rate, average handle time (AHT), contact resolution, and AI usage metrics. Basic Qualifications Bachelor's degree in Computer Science, Engineering, or related field and 2-4 years of relevant experience; or a Master's with 2+ years of software development with Python, including building and troubleshooting AWS Lambda functions. Hands-on experience with Amazon Connect setup and configuration, including contact flows, routing profiles, queues, and channel integration (voice, chat). Experience integrating Lex V2 bots with Amazon Connect flows. Familiarity with conversational AI design, including slot elicitation, error recovery, and safe fallback patterns. Infrastructure as Code experience (CloudFormation) and Git-based CI/CD workflows. Foundational security knowledge: least privilege IAM, encryption at rest (KMS), and secure logging/monitoring. Strong written and verbal communication; able to document designs and explain technical choices to teammates. US Citizen with ability to obtain a Public Trust clearance. Preferred Qualifications Practical exposure to full Amazon Connect deployments, including telephony setup, contact attributes, and queue performance optimization. Experience enabling and tuning Contact Lens for compliance, sentiment analysis, and post-contact QA scoring. Experience with Amazon Q in Connect for agent assist workflows and knowledge retrieval. Experience with Amazon Bedrock (LLM and embeddings) and guardrails; calling LLM APIs and prompt engineering. Knowledge of Retrieval Augmented Generation (RAG) and vector search; AWS OpenSearch Service configuration (VPC only, KMS) and k-NN/HNSW indices. Familiarity with KMS key policies, grants, and cross-account access; S3 data protection (BPA, lifecycle, access points). Experience with AWS WAF, CloudFront, and edge security patterns. Observability and analytics skills: CloudWatch dashboards/alarms, X-Ray, Athena/Glue. Understanding of privacy/compliance considerations (PII redaction, data retention), and familiarity with FISMA and FedRAMP concepts as applied to contact centers. Certifications (any of): AWS Developer Associate, AWS Solutions Architect Associate/Professional, AWS AI Specialty, AWS DevOps Engineer, CISSP/CCSP. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting:November 14, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range:Pay Range $69,550.00 - $125,725.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Come put your software engineering skills into action! The Command and Control Incident Management Emergency Response Application (C2IMERA) program in Leidos' National Security Sector has current job opportunities for talented Senior Software Engineers. The successful candidate will work collaboratively with an outstanding team of software developers and engineers to continue to produce and field software on behalf of the US Air Force. The responsibilities for this position include all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding, and automated testing within an Agile and Continuous Integration and Continuous Delivery model. In this role, you will join a dynamic team that is singularly focused on providing world class solutions to our customers in an exciting, collaborative, and inclusive atmosphere. You will be challenged and provided with a tremendous opportunity for growth in a customer-facing, fast-paced, and fun environment. As a leader, you will architect, design, build, and enhance highly available and scalable systems used by Air Force customers worldwide. You will direct major deliverables of projects through all aspects of the software development lifecycle including scope and work estimation, architecture and design, coding and unit testing. Additionally, you will determine and recommend the best designs based on customer business objectives, timelines and other resource constraints. This position does allow remote work but candidates that are able to occasionally be onsite at any of the following locations would be preferred. The ideal locations would include Newport News, VA; Lexington, MA; Orlando, FL; Charlottesville, VA; Omaha, NE; or Morgantown, WV. Primary Responsibilities: Participate in the full software development lifecycle, working within broadly defined parameters. Own the delivery of an entire piece of a system or application and serve as a technical lead on medium-to-large, complex projects. Break down large tasks into smaller tasks that can be executed by the rest of the development team. Work closely with other engineers to develop the best technical design and approach for new product development. Ensure team adheres to Agile processes and DecSecOps best practices. Build software solutions where the solution is not always well defined but always consider the customer first. Mentor other engineers in the art of building complex, web scale systems. Resolve roadblocks for the development team, working collaboratively with the Product Owner, technical leadership, and other engineers. Plan and estimate development tasks and work to improve performance metrics. Basic Qualifications: Bachelor's degree with 4+ years of experience or a Masters degree with 2+ years of experience. Additional experience may be considered in lieu of a degree. US Citizen with the ability to obtain and maintain a DoD Secret clearance. Hands-on expertise with Java/C++ and object-oriented programming. Strong proficiency with basic web technologies including HTML, CSS, XML, SOAP, WSDL, REST, JSON, and JavaScript. Proficiency with web application technologies, such as Apache Tomcat, JBoss, etc. Experience delivering an entire piece of a system or application. Experience serving as a technical lead. Deep understanding of software design patterns. Working knowledge of Agile Development and continuous integration and continuous delivery methodologies and tools. Experience with a version control system (e.g., Git). Experience with an issue/problem tracking system (e.g., Jira). Proficiency with multiple operating systems (Mac OSX, Windows, LINUX, etc.). Proficiency with at least one Relational Database Management System (Oracle, MySQL, PostgreSQL, SQL Server, etc.). Proficiency with MS Office Products (Word, Excel, Visio, & PowerPoint). Strong, self-motivated desire to learn new programming languages, tools, frameworks, and techniques. Preferred Qualifications: Knowledge of Agile Development tools such as Jira, Bitbucket, Confluence. Knowledge of continuous integration and delivery tools such as Jenkins, SonarQube, JUnit, Cucumber, Selenium, JMeter Experience developing and delivering modern software, including microservices, containers, and serverless architectures. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting:September 21, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range:Pay Range $85,150.00 - $153,925.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. The Northrop Grumman C2 & Weapons Integration (CWI) Artificial Intelligence (AI) Center of Excellence in Beavercreek, Ohio is seeking a highly motivated Principal AI Software Engineer to join our team. We have a state-of-the-art research facility where our team works on some of the most challenging problems related to AI Augmentation and Automation. Research areas include Large Language Models (LLMs), advanced AI-based natural language processing (NLP), natural language understanding (NLU), Natural Language Generation (NLG), AI-based decision-making, sensor fusion, data fusion, computer vision, and image processing. We are on the cutting edge of responsible AI and explainable AI adoption. We invite you to apply to this requisition so you can learn about the exciting research we do and tell us about how you can help our team! Successful candidates will demonstrate a broad skill set balanced between interpersonal and technical capabilities developing sustainable quality products. They will have a track record as an effective communicator and problem solver who is capable of developing and maintaining good working relationships with internal and external stakeholders. The selected candidates will work closely with other AI/ML and software engineers to accomplish the following: Define, develop, and deliver novel mathematical and statistical modeling and algorithm development to tackle the challenges of prediction, optimization, and classification. Apply machine learning algorithms to large sets of structured and unstructured data to solve a broad range of problems that include applications in autonomy, pattern recognition, target detection and tracking, recommendation and decision support systems, and robotic systems. Design, develop, document, test, debug, and deploy state-of-the-art AI/ML applications. Collaborate with cross-functional team to deploy AI/ML solutions in development and production environments. Regularly demonstrate progress to customers. Basic Qualifications Bachelor's degree in Computer Science or related STEM degree with 5 years' experience OR Master's degree in Computer Science or related STEM degree with 3 years' experience Experience with one of more AI models and algorithms: LLMs, DNN, genetic algorithms, embedding models, deep learning, etc. Experience developing systems with AI/ML frameworks and libraries such as PyTorch, TensorFlow, Keras, and Scikit-learn. Development experience should span the ML pipeline and include: working with novel datasets, data processing and preparation, training and fine-tuning ML systems, modifying existing deep learning architectures as well as coding from architecture diagrams, and evaluating system performance using established and novel metrics and methods. Ability to carry out rapid prototyping and proof-of-concept demonstrations. Possess general familiarity with applied machine learning concepts including: multilayer perceptrons, CNNs, LSTMs, transformer models, supervised/unsupervised learning methods, reinforcement learning methods, as well as statistical modeling and graphical models. Possess general familiarity with computational and statistical learning theory. Experience with web application development frameworks such as Flask, FastAPI. Understanding of software engineering best practices including source control and software architecture Able to obtain a U.S. Government Top Secret security clearance (U.S. citizenship is a pre-requisite) Preferred Qualifications: Experience with AWS or other cloud computing services. Experience with microservice architectures and related software methods including containerization and container orchestration. Familiarity with explainable AI, adversarial AI, active learning, and third wave approaches to AI. Familiarity with DevOps/DevSecOps/MLOps concepts. Familiarity with Linux-based operating systems. Demonstrated ability to work independently. Experience in working with LLMs (e.g. prompt engineering, LLM development frameworks, fine tuning, quantization) Experience in modeling and simulation. Experience with vector and/or graph databases Primary Level Salary Range: $121,400.00 - $182,000.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit *********************************** U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

The Opportunity: As a software engineer, you know that good software is more than just a nice-looking interface and data. You need the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for a software engineer like you to develop efficient and effective software, from vision to production-ready system, in an exciting, agile environment. As a software engineer at Booz Allen, you'll use the latest architectural approaches and open-source frameworks and tools to deliver complete end-to-end solutions to your clients. Using your software engineering expertise, you'll analyze the environment to ensure that your team's solutions consider the current architecture and operating environment, as well as future functionality and enhancements. You'll sharpen your skills as you master new tools and techniques while helping to identify and implement system improvements. Work with us as we develop systems to create change for the better. Join us. The world can't wait. You Have: 5+ years of experience designing, modifying, developing, writing, and implementing software programming applications using Agile methods 3+ years of experience working with C++ Experience with modeling and simulation frameworks, including AFSIM Experience writing source code for new applications, or generating and enhancing code samples for existing applications Experience creating solutions to complex problems in a collaborative team environment Secret clearance Bachelor's degree in a Science, Engineering, Technology, or Mathematics field Nice If You Have: Experience with simulation models, including radar, sensors, or aircraft Experience with pre- or post-processing scripting for large data sets Experience with Agile methodology, extreme programming, software engineering, product management, and software products Experience with data modeling architecture Ability to acquire client requirements and resolve workflow problems through automation optimization Ability to work with automated testing tools to perform testing and maintenance Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; Secret clearance is required. Compensation At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $77,500.00 to $176,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen's total compensation package for employees. This posting will close within 90 days from the Posting Date. Identity Statement As part of the application process, you are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud. Work Model Our people-first culture prioritizes the benefits of flexibility and collaboration, whether that happens in person or remotely. If this position is listed as remote or hybrid, you'll periodically work from a Booz Allen or client site facility. If this position is listed as onsite, you'll work with colleagues and clients in person, as needed for the specific role. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

The Opportunity: As a software engineer, you know that good software is more than just a nice-looking interface + data. You need the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for a software engineer like you to develop efficient and effective software, from vision to production-ready system, in an exciting, agile environment. As a software engineer at Booz Allen, you'll use the latest architectural approaches and open-source frameworks and tools to deliver complete end-to-end solutions to your clients. Using your software engineering expertise, you'll analyze the environment to ensure that your team's solutions consider the current architecture and operating environment, as well as future functionality and enhancements. You'll sharpen your skills as you master new tools and techniques while helping to identify and implement system improvements. Work with us as we develop systems to create change for the better. Join us. The world can't wait. You Have: 5+ years of experience with designing, modifying, developing, writing, and implementing software programming applications using Agile methods 3+ years of experience in working with C++ Experience with modeling and simulation frameworks, including AFSIM Experience with writing source code for new applications or generating and enhancing code samples for existing applications Experience with creating solutions to complex problems in a collaborative team environment Secret clearance Bachelor's degree in a Science, Engineering, Technology, or Mathematics field Nice If You Have: Experience with Simulation Models, including Radar, Sensors, or Aircraft Experience with pre- or post-processing scripting for large data sets Experience with Agile methodology, extreme programming, software engineering, product management, and software products Experience with Data Modeling Architecture Ability to acquire client requirements and resolve workflow problems through automation optimization Ability to work with automated testing tools to perform testing and maintenance Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; Secret clearance is required. Compensation At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $86,800.00 to $198,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen's total compensation package for employees. This posting will close within 90 days from the Posting Date. Identity Statement As part of the application process, you are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud. Work Model Our people-first culture prioritizes the benefits of flexibility and collaboration, whether that happens in person or remotely. If this position is listed as remote or hybrid, you'll periodically work from a Booz Allen or client site facility. If this position is listed as onsite, you'll work with colleagues and clients in person, as needed for the specific role. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

SAIC is searching for a motivated, career and customer-oriented **Sr. Software Front-End Web UI Developer** to join our software development team. This role involves designing, developing, and maintaining engaging and high-performing user interfaces for web applications. The ideal candidate will have a strong understanding of modern front-end technologies, responsive design, accessibility, and performance optimization within an agile development environment. This is a 100% Remote role. **Responsibilities** + Participate in **technical planning** , requirements definition, UI design, testing, and integration of web-based applications. + Design and implement **user interfaces** that are responsive, accessible, and aligned with UX best practices. + Collaborate closely with UX designers, back-end developers, and stakeholders to translate design concepts and requirements into interactive applications. + Develop, test, and deploy UI components using **modern JavaScript frameworks** (Angular). + Ensure the **performance, scalability, and responsiveness** of web applications across browsers and devices. + Participate in **daily stand-ups and sprint activities** as an active member of the agile development team. + Apply **front-end engineering best practices** , including code modularization, reusability, and maintainability. + Implement **automated testing** (unit, integration, end-to-end) and support CI/CD pipelines for front-end deployments. + Collaborate with team members on **technical problem-solving** and new feature development. + Maintain comprehensive **documentation** for designs, components, and implementation details. + Utilize development tools such as **Visual Studio Code, Git, and Azure DevOps** for version control and project management. **Qualifications** **Education** + **Bachelor's Degree** in Computer Science, Web Development, Graphic Design, or related technical discipline, with 8 years of experience. + **Master's Degree** in a related field with 8 years of experience preferred. **Experience** + **8 years** of experience in **front-end web development** and UI implementation. + Proven track record in developing **enterprise-grade, responsive web applications** . + Experience working in **agile development environments** and collaborating within cross-functional teams. **Technical Requirements** + Strong proficiency in **HTML5, CSS3 (SASS/LESS), and JavaScript (ES6+)** . + Expertise in **front-end frameworks** such as **React, Angular, or Vue.js** . + Experience with **TypeScript** , **Redux** or similar state management libraries. + Familiarity with **RESTful APIs** and **JSON** data integration. + Proficiency in **UI/UX principles** , accessibility standards (WCAG), and responsive web design. + Experience with **unit testing frameworks** (Jest, Jasmine, Mocha, Cypress, etc.). + Understanding of **CI/CD practices** using tools like GitHub Actions, Azure DevOps, or Jenkins. + Knowledge of **version control systems** (Git, GitLab, or Bitbucket). + Familiarity with **cloud platforms** (Azure, AWS) for front-end hosting and deployment. + Strong understanding of **web security best practices** . + Excellent communication, problem-solving, and teamwork skills. + Ability to work independently while meeting deadlines in a fast-paced environment. **Preferred Skills** + Experience with **design systems** , and **component libraries.** + Familiarity with **DevOps** practices and **containerized deployments** (Docker, Kubernetes). + Understanding of **performance optimization** techniques for large-scale applications. + Experience contributing to **code reviews** and mentoring junior developers. **Clearance Requirement** + **U.S. Citizenship required** with the ability to obtain and maintain a **Public Trust clearance** . Target salary range: $80,001 - $120,000. The estimate displayed represents the typical salary range for this position based on experience and other factors. REQNUMBER: 2511224 SAIC is a premier technology integrator, solving our nation's most complex modernization and systems engineering challenges across the defense, space, federal civilian, and intelligence markets. Our robust portfolio of offerings includes high-end solutions in systems engineering and integration; enterprise IT, including cloud services; cyber; software; advanced analytics and simulation; and training. We are a team of 23,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $6.5 billion. For more information, visit saic.com. For information on the benefits SAIC offers, see Working at SAIC. EOE AA M/F/Vet/Disability

Education Bachelor's Degree in Computer Science, Web Development, Graphic Design, or related technical discipline, with 8 years of experience. Master's Degree in a related field with 8 years of experience preferred. Experience 8 years of experience in front-end web development and UI implementation. Proven track record in developing enterprise-grade, responsive web applications. Experience working in agile development environments and collaborating within cross-functional teams. Technical Requirements Strong proficiency in HTML5, CSS3 (SASS/LESS), and JavaScript (ES6+). Expertise in front-end frameworks such as React, Angular, or Vue.js. Experience with TypeScript, Redux or similar state management libraries. Familiarity with RESTful APIs and JSON data integration. Proficiency in UI/UX principles, accessibility standards (WCAG), and responsive web design. Experience with unit testing frameworks (Jest, Jasmine, Mocha, Cypress, etc.). Understanding of CI/CD practices using tools like GitHub Actions, Azure DevOps, or Jenkins. Knowledge of version control systems (Git, GitLab, or Bitbucket). Familiarity with cloud platforms (Azure, AWS) for front-end hosting and deployment. Strong understanding of web security best practices. Excellent communication, problem-solving, and teamwork skills. Ability to work independently while meeting deadlines in a fast-paced environment. Preferred Skills Experience with design systems, and component libraries. Familiarity with DevOps practices and containerized deployments (Docker, Kubernetes). Understanding of performance optimization techniques for large-scale applications. Experience contributing to code reviews and mentoring junior developers. Clearance Requirement U.S. Citizenship required with the ability to obtain and maintain a Public Trust clearance. SAIC accepts applications on an ongoing basis and there is no deadline. SAIC is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, civilian and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives. We are approximately 24,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.5 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom. SAIC is searching for a motivated, career and customer-oriented Sr. Software Front-End Web UI Developer to join our software development team. This role involves designing, developing, and maintaining engaging and high-performing user interfaces for web applications. The ideal candidate will have a strong understanding of modern front-end technologies, responsive design, accessibility, and performance optimization within an agile development environment. This is a 100% Remote role. Responsibilities Participate in technical planning, requirements definition, UI design, testing, and integration of web-based applications. Design and implement user interfaces that are responsive, accessible, and aligned with UX best practices. Collaborate closely with UX designers, back-end developers, and stakeholders to translate design concepts and requirements into interactive applications. Develop, test, and deploy UI components using modern JavaScript frameworks (Angular). Ensure the performance, scalability, and responsiveness of web applications across browsers and devices. Participate in daily stand-ups and sprint activities as an active member of the agile development team. Apply front-end engineering best practices, including code modularization, reusability, and maintainability. Implement automated testing (unit, integration, end-to-end) and support CI/CD pipelines for front-end deployments. Collaborate with team members on technical problem-solving and new feature development. Maintain comprehensive documentation for designs, components, and implementation details. Utilize development tools such as Visual Studio Code, Git, and Azure DevOps for version control and project management.

The Repeatable Offerings Team at Leidos currently has an opening for a Principal SW Engineer to support our AppDev team currently supporting the ESA V ATF Team. This is an exciting opportunity to use your experience helping the Repeatable Offerings Organization support our customer's technology mission. This position is focused on providing technical leadership, strategic guidance and deep domain knowledge throughout the entire application lifecycle. We are looking for the right person to serve as a bridge between technical teams and stakeholders, ensuring that the customer applications are built to be aligned with the evolving government objectives. Primary Responsibilities. Effectively coordinate, lead, and support developers, operations, product owners, and key stakeholders through partnering to implement Service Level Objectives, Service Level Indicators, and Incident Management processes. Serve as a primary technical resource for DevOps strategy, automation, and deployment standards, guiding development and operations teams. Design, build, and maintain robust and scalable CI/CD pipelines for effective and efficient code releases. Implement Infrastructure as Code (IaC) using tools such as Terraform or Ansible. Automate configuration management to promote mature change management and release strategies. Establish relevant and actionable monitoring and alerting for microservice-based applications and infrastructures. Collaborate with other teams to ensure smooth and secure build, release, and deployment processes. Integrate DevSecOps principles and automated security tools into CI/CD pipelines. Advise and support troubleshooting infrastructure and deployment issues. Champion a DevOps culture, evaluate new technologies, and stay updated on industry trends. Support current and future complex and demanding customers with an established team, providing coaching and guidance on DevOps best practices. Develop and integrate custom-developed software solutions to leverage automated deployment technologies. Develop, prototype, and deploy solutions within Commercial/Government Cloud Solutions leveraging Infrastructure platform services. Coordinate closely with team members, Product Owners, and Scrum Masters to ensure User Story alignment and implementation to customer use cases. Analyze infrastructure needs driven by developed software to meet customer mission needs, utilizing proof-of-concept, performance, and end-to-end testing. Support the Agile software development lifecycle following Program SAFe practices. Document and maintain containerized images and deployment artifacts across different environments, leveraging GitFlow constructs. Communicate key project data to team members and build team cohesion and effectiveness. Leverage Atlassian tool suite like JIRA and Confluence to track activities. Apply and identify best practices and standard operating procedures. Architect innovative solutions to meet the technical needs of customers. Mandatory Skills: Must be able to obtain and maintain a Public Trust security clearance (US Citizenship required) Master's Degree with 15+ years of prior relevant experience. Will consider work experience in lieu of a degree. Proficient with common Agile practices, service-oriented environments, and development practices. Experience with SAFe development practices. 3-5 years of experience with at least one object-oriented programming language: Python, Java, or C. Expert in the software development lifecycle, with experience delivering within DevOps toolsets/practices. Design and management of scalable CI/CD pipelines using tools like Jenkins or GitLab CI. Direct experience utilizing software testing performance tools. Experience with scripting languages such as Python or Bash. Experience working in an Agile development environment and tempo. Solid knowledge of Kubernetes/Openshift and AWS cloud services. Experience with Docker, Terraform, and Helm. Proficiency with Linux/Unix systems administration. Working knowledge of monitoring and logging tools (Prometheus, Kibana, CloudWatch). Experience with database technologies (SQL Server, Postgres). Excellent communication skills (written and verbal). Well versed with using version control systems (Git). Well versed with using issue/problem tracking systems (Jira). Desired Skills: AWS certification. Experience with AWS Data management services. Experience developing with cloud data services (S3, RDS, EFS). Experience with RESTful APIs, JSON, and AJAX. Active ATF clearance (or ability to obtain). If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares. Original Posting:November 20, 2025 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. Pay Range:Pay Range $154,050.00 - $278,475.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

SAIC is searching for a motivated, career and customer-oriented Senior Software Systems Engineer (.NET Developer) who performs high-level, day-to-day development solutions to join our team and begin an exciting and challenging career. This is a 100% Remote role. Responsibilities: Performs technical planning, high level and detailed requirements definition, test planning and execution (to include use cases, test procedures and test data), software systems integration, and technical support for software systems and subsystems. Total software system product may include concept design, test, installation, operation, maintenance and disposal. Serve as an active member of the software development team participating in daily stand-ups. Utilize full-stack development expertise that ranges from development of .NET back-end application using C#, unit testing, testing with Nunit, or other tools, and deployment using CI/CD pipelines. Ensure the performance, quality, and responsiveness of application. Provide development support, as needed, for solutions deployed to production. Implement long term solutions and building blocks within the agile framework for improved reusability. Interface with the stakeholders for project requirements. Apply and promote good software engineering practices such as test automation, modularization, and simplification. Collaborate, coordinate with colleagues on various solutions and problems. Document software designs, which may include design diagrams, data flow diagrams, software module descriptions, etc. Use Integrated Development Environment (IDE) tools to include Visual Studio, Azure Devops and Git. Education Required: Bachelors and five (5) years or more experience; Masters and three (3) years or more experience; PhD and 0 years related experience. Experience Required: Minimum of 5-7 years of experience in software development using .NET technologies. Proven track record of working on complex software projects and leading development initiatives. Experience with designing, developing, and deploying enterprise-level applications. Expertise in .NET framework and .NET Core, with a strong understanding of C#. Proficiency in developing back-end applications using MVC and .NET Core. Strong knowledge of object-oriented programming (OOP) and design patterns. Experience with RESTful services and APIs. Proficiency in database design and development, including working with SQL Server and Entity Framework. Familiarity with cloud platforms (e.g., Microsoft Azure, AWS) and services. Experience with version control systems (e.g., Git, TFS). Understanding of continuous integration/continuous deployment (CI/CD) practices and tools (e.g., AWS CodePipeline, CodeBuild, CodeDeploy). Knowledge of unit testing frameworks and tools (e.g., NUnit, xUnit, MSTest). - Proficiency in using development tools like Visual Studio and Visual Studio Code. Excellent problem-solving and analytical skills. Strong communication and interpersonal abilities. Ability to work independently and as part of a team. Attention to detail and commitment to producing high-quality software. Capable of mentoring and providing technical guidance to junior developers. Ability to prioritize tasks and manage time effectively. Experience with agile development methodologies (e.g., Scrum, Kanban). Familiarity with DevOps practices and infrastructure as code (IaC). Strong understanding of security best practices for web applications and APIs. Ability to conduct code reviews and provide constructive feedback. Experience with performance tuning and optimization of applications. Knowledge of microservices architecture and containerization technologies (e.g., Kubernetes, ECS, EKS) is a plus. Experience with third-party libraries, SDKs, and APIs relevant to .NET development. Clearance Requirement: US Citizenship with the ability to obtain and maintain a Public Trust clearance. SAIC accepts applications on an ongoing basis and there is no deadline. SAIC is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, civilian and intelligence markets includes secure high-end solutions in mission IT, enterprise IT, engineering services and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives. We are approximately 24,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.5 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

The Opportunity: As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to create a system that will make a difference, we need you on our team. We're looking for a seasoned developer like you with the expertise needed to build software and systems from vision to production-ready. This role is more than just coding. As a lead full-stack developer at Booz Allen, you'll oversee a team as they learn new tools and techniques and identify needed system improvements. You'll help clients overcome their most difficult challenges using the latest architectural approaches, tools, and technologies. You'll make sure the solution developed by the team considers the current architecture and operating environment, as well as future functionality and enhancements. Work with us as we shape systems for the better. Join us. The world can't wait. You Have: 8+ years of experience designing, modifying, developing, writing, and implementing software programming applications using Agile methods 8+ years of experience with software development using basic programming languages, technologies, tools, or web development stacks Experience with Agile methodology, extreme programming, software engineering, product management, and software products Experience writing source code for new applications or generating and enhancing code samples for existing applications Experience using back-end and front-end languages to develop complete solutions Experience mentoring or supervising employees within a collaborative team environment Experience acquiring client requirements and resolving workflow problems through automation optimization Ability to obtain a Secret clearance Bachelor's degree and 8+ years of experience in software engineering, or 10+ years of experience in software engineering in lieu of a degree Nice If You Have: Experience working with automated testing tools to perform testing and maintenance Experience with Java, Python, C#, C/C++, .NET, JavaScript, React, NodeJS, PHP, or Drupal Secret clearance Master's degree Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information. Compensation At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $112,800.00 to $257,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen's total compensation package for employees. This posting will close within 90 days from the Posting Date. Identity Statement As part of the application process, you are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud. Work Model Our people-first culture prioritizes the benefits of flexibility and collaboration, whether that happens in person or remotely. If this position is listed as remote or hybrid, you'll periodically work from a Booz Allen or client site facility. If this position is listed as onsite, you'll work with colleagues and clients in person, as needed for the specific role. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.