Application Software Developer jobs at Leidos - 25 jobs

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. **Are you ready for your next career challenge?** The Non-Kinetic Effects Business Area, part of the Defense Sector at Leidos, currently has an opening for a cleared Software Engineer to work in our Beavercreek, OH Office. This is an exciting opportunity to use your experience helping the Air Force Research Lab, Air Force Lifecycle Management Center, and other DoD missions. Your role will be to support our diverse portfolio of programs through a combination of software design and development, hardware interfacing and integration, laboratory experimentation, ground and flight testing to deploy cutting edge, next generation solutions. **Primary Responsibilities.** + Design, develop and maintain mission-critical software in support of national defense, and intelligence gathering products for both airborne and ground-based systems + Responsible for performing the software engineering function, including the design, development, testing, troubleshooting, and debugging software programs for enhancements and new software-intensive systems and products. Applies appropriate principles, standards, processes, procedures and tools throughout the software development life cycle. + Duties include software requirements analysis, analysis of hardware compatibility, development of software products and tools used for design, development and maintenance of infrastructure, and platforms. + Develops technical solutions that require collaboration with internal experts, deep analyses and understanding of impact on end-product/solution. + Develops solutions to technical problems and issues that are unclear and require deep technical knowledge. + Participate in laboratory, ground and flight testing to validate software + Document and communicate proposed software solutions with integrated, cross-functional engineering teams in a fast paced highly technical environment + Works independently to achieve day-to-day objectives with significant impact on operational results or project deliverables. + Responsible for entire projects or processes within a technical area. + Stay up to date on state-of-the-art programming techniques and software technologies + Participate in software design and code reviews to ensure delivery of quality products and enhance skillsets **Basic Qualifications.** + Bachelor's degree and 4-8 years of prior relevant experience or a Master's degree with 2-4 years of experience in software engineering, computer engineering or related field. + Experience programming in one or more of the following languages: C++, Java, Python + Experienced in systems integration, maintenance, and troubleshooting of complex system problems + Experience working in a SIL environment + Ability to communicate effectively in writing and verbally from informal one-on-one discussions or in a small group environment. + Work well within a team and independently with minimal supervision. + Ability to work within a dynamic work environment, ability to handle multiple tasks at once (multi-task) + Requires deep understanding of and ability to apply principles, theories, and concepts of technical domain and has broad understanding of other related specialty areas. + Strong desire to grow and learn new technologies. + Must be a US Citizen. + Strong interpersonal and communication skills **Security Clearance Requirements.** + Must be a US Citizen + Must have an active DoD Secret level security clearance **Preferred Qualifications.** + Active DoD TS/SCI clearance + Familiar with Agile Methodologies, preferably SCRUM or Kanban + Experience with Atlassian tools such as JIRA, Confluence, Bitbucket + Experience with model and simulation environments to support simulation and test + Experience with Live and Virtual Constructive environments to understand complex systems and troubleshooting points for integration + Familiarity with DoD Open Architectures such as OMS and SOSA + Experience with containerization technologies such as docker or podman + Experience with Kubernetes + Experience developing and deploying to offline environments + Strong understanding of Linux systems + Experience with Unit Testing and CI/CD + Strong understanding of IP based network protocols such as TCP, UDP, and HTTP + Prior experience working with the DoD Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for "how it's always been done." **Original Posting:** December 24, 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 $87,100.00 - $157,450.00 The Leidos pay range for this job level is a general guideline onlyand 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. **About Leidos** Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit ************** . **Pay and Benefits** Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at **************/careers/pay-benefits . **Securing Your Data** Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at ***************************** . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission (******************************* . **Commitment to Non-Discrimination** All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. REQNUMBER: R-00172708 All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: NoneTRAVEL: 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. At the heart of Defining Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to enable strategic planning. We're looking for innovators, who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours of expanding your personal network and developing skills, whether you are new to the field or an industry thought-leader. At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career. Northrop Grumman is seeking a highly experienced Teamcenter PLM Development Analyst. The employee will be responsible for designing, developing, and sustaining the Teamcenter PLM platform. The selected candidate will implement functionality based on the direction of the PLM Architect, and customer requirements, and directs the development of functionality interfacing Teamcenter with applications. Note: This role may be performed 100% virtual (work from home). Preference will given to those candidates who are local to major Northrop Grumman campus in El Segundo/Redondo Beach, CA, Palmdale, CA, Roy, UT, Melbourne, FL. Virtual and/or work from home arrangements are subject to change based on the needs of the business. A successful background includes customizing Teamcenter Workflows, Workflow handlers using, C++, TcU RAC, Active Workspace, integrations with 3rd party tools, and BMIDE. Responsibilities will include but not be limited to the following: Researches, designs, develops, and/or modifies enterprise-wide systems and/or applications software. Involved in planning of system and development deployment as well as responsible for meeting software compliance standards. Evaluates interface between hardware and software, operational requirements, and characteristics of overall system. Documents testing and maintenance of system corrections. This position may filled at a higher level based on the qualifications listed below. Basic Qualifications for Level 3: Master's degree with 3 years of relevant software development experience; OR a Bachelor's degree with 5 years of relevant software development experience; OR an Associates degree with 7 years of relevant software development experience; OR a high school diploma with 9 year of relevant software development experience is required Must have at least 2 years of software development/customization experience with Siemens Teamcenter Unified, which includes the related experience in troubleshooting, debugging, and upgrading the software Must have at least 2 years of experience integrating software components (and third-party software) with Siemens Teamcenter Unified, or an equivalent Product Lifecycle Management (PLM) system Must have at least 2 years of experience creating functional specifications by collaborating with IT and customer teams to determine scope, project expectations, detailed design documentation, and supporting internal integration and user testing, which includes evaluating user feedback Must have at least 2 years of software development experience in Object Oriented Software Development, C++, Java, JavaScript, JSON, BMIDE, along with code management systems like TFS, SVN, or Git Must be able to obtain (and maintain) a DoD Secret level security clearance as a condition of continued employment Basic Qualifications for Level 4: Master's degree with 7 years of relevant software development experience; OR a Bachelor's degree with 9 years of relevant software development experience; OR an Associates degree with 11 years of relevant software development experience; OR a high school diploma with 13 year of relevant software development experience is required Must have at least 4 years of software development/customization experience with Siemens Teamcenter Unified, which includes the related experience in troubleshooting, debugging, and upgrading the software Must have at least 4 years of experience integrating software components (and third-party software) with Siemens Teamcenter Unified, or an equivalent Product Lifecycle Management (PLM) system Must have at least 4 years of experience creating functional specifications by collaborating with IT and customer teams to determine scope, project expectations, detailed design documentation, and supporting internal integration and user testing, which includes evaluating user feedback Must have at least 4 years of software development experience in Object Oriented Software Development, C++, Java, JavaScript, JSON, BMIDE, along with code management systems like TFS, SVN, or Git Must be able to obtain (and maintain) a DoD Secret level security clearance as a condition of continued employment Preferred Qualifications: Active Secret level security clearance Teamcenter workflow development Teamcenter installation and maintenance procedures and methods Experience with other applications like NX or CATIA, Xpedition, or Capital Experience with Teamcenter Aerospace & Defense and access controls including ADA and Access Manager Experience working with Microsoft TFS or a similar system Must be proactive and able to complete assignments independently with minimal oversight, on tight schedules Be able to rapidly learn new technologies and then share domain and tool knowledge with teammates to contribute to the growth of the team Excellent communication skills and be able to quickly learn new concepts and business processes We offer flexible work arrangements, phenomenal learning opportunities, exposure to a wide variety of projects and customers, and a very friendly team environment. Our Employee Resource Groups (ERGs) offer opportunities to be a friend, be active, be a volunteer, be a leader, be recognized, and to be yourself. At Northrop Grumman, we are on the cutting edge of innovation. Our diverse portfolio of programs means there are endless paths to cultivate your career. We also offer exceptional benefits/healthcare, a 9/80 work schedule, and a great 401k matching program. Come join us! Primary Level Salary Range: $103,600.00 - $155,400.00Secondary Level Salary Range: $129,300.00 - $193,900.00The 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.

Database developer to support front end systems (as needed by developers across the organization, in support of web services, third party, or internal development needs) to the exclusion of reporting needs by other departments. Developed code includes but is not limited to PL/SQL in the form of Triggers, Procedures, Functions, & Materialized Views. Generates custom driven applications for intra-department use for business users in a rapid application development platform (primarily APEX). Responsible for functional testing and deployment of code through the development life cycle. Works with end-users to obtain business requirements. Responsible for developing, testing, improving, and maintaining new and existing processes to help users retrieve data effectively. Collaborates with administrators and business users to provide technical support and identify new requirements. Responsibilities Responsibilities: Design stable, reliable and effective database processes. Solve database usage issues and malfunctions. Gather user requirements and identify new features. Provide data management support to users. Ensure all database programs meet company and performance requirements. Research and suggest new database products, services, and protocols. Requirements and skills In-depth understanding of data management (e.g. permissions, security, and monitoring) Excellent analytical and organization skills An ability to understand front-end user requirements and a problem-solving attitude Excellent verbal and written communication skills Assumes responsibility for related duties as required or assigned. Stays informed regarding current computer technologies and relational database management systems with related business trends and developments. Consults with respective IT management in analyzing business functions and management needs and seeks new and more effective solutions. Seeks out new systems and software that reduces processing time and/or provides better information availability and decision-making capability. Job Type: Full-time Pay: From $115,000- 128,000 yearly Expected hours: 40 per week Benefits: Dental insurance Health insurance Paid time off Vision insurance Paid time off (PTO) Various health insurance options & wellness plans Required Knowledge Considerable knowledge of on-line and design of computer applications. Require Experience One to three years of database development/administration experience. Skills/Abilities Strong creative and analytical thinking skills. Well organized with strong project management skills. Good interpersonal and supervisory abilities. Ability to train and provide aid others.

Database developer to support front end systems (as needed by developers across the organization, in support of web services, third party, or internal development needs) to the exclusion of reporting needs by other departments. Developed code includes but is not limited to PL/SQL in the form of Triggers, Procedures, Functions, & Materialized Views. Generates custom driven applications for intra-department use for business users in a rapid application development platform (primarily APEX). Responsible for functional testing and deployment of code through the development life cycle. Works with end-users to obtain business requirements. Responsible for developing, testing, improving, and maintaining new and existing processes to help users retrieve data effectively. Collaborates with administrators and business users to provide technical support and identify new requirements. Responsibilities Responsibilities: Design stable, reliable and effective database processes. Solve database usage issues and malfunctions. Gather user requirements and identify new features. Provide data management support to users. Ensure all database programs meet company and performance requirements. Research and suggest new database products, services, and protocols. Requirements and skills In-depth understanding of data management (e.g. permissions, security, and monitoring) Excellent analytical and organization skills An ability to understand front-end user requirements and a problem-solving attitude Excellent verbal and written communication skills Assumes responsibility for related duties as required or assigned. Stays informed regarding current computer technologies and relational database management systems with related business trends and developments. Consults with respective IT management in analyzing business functions and management needs and seeks new and more effective solutions. Seeks out new systems and software that reduces processing time and/or provides better information availability and decision-making capability. Job Type: Full-time Pay: From $115,000- 128,000 yearly Expected hours: 40 per week Benefits: Dental insurance Health insurance Paid time off Vision insurance Paid time off (PTO) Various health insurance options & wellness plans Required Knowledge Considerable knowledge of on-line and design of computer applications. Require Experience One to three years of database development/administration experience. Skills/Abilities Strong creative and analytical thinking skills. Well organized with strong project management skills. Good interpersonal and supervisory abilities. Ability to train and provide aid others.

Database developer to support front end systems (as needed by developers across the organization, in support of web services, third party, or internal development needs) to the exclusion of reporting needs by other departments. Developed code includes but is not limited to PL/SQL in the form of Triggers, Procedures, Functions, & Materialized Views. Generates custom driven applications for intra-department use for business users in a rapid application development platform (primarily APEX). Responsible for functional testing and deployment of code through the development life cycle. Works with end-users to obtain business requirements. Responsible for developing, testing, improving, and maintaining new and existing processes to help users retrieve data effectively. Collaborates with administrators and business users to provide technical support and identify new requirements. Responsibilities Responsibilities: Design stable, reliable and effective database processes. Solve database usage issues and malfunctions. Gather user requirements and identify new features. Provide data management support to users. Ensure all database programs meet company and performance requirements. Research and suggest new database products, services, and protocols. Requirements and skills In-depth understanding of data management (e.g. permissions, security, and monitoring) Excellent analytical and organization skills An ability to understand front-end user requirements and a problem-solving attitude Excellent verbal and written communication skills Assumes responsibility for related duties as required or assigned. Stays informed regarding current computer technologies and relational database management systems with related business trends and developments. Consults with respective IT management in analyzing business functions and management needs and seeks new and more effective solutions. Seeks out new systems and software that reduces processing time and/or provides better information availability and decision-making capability. Job Type: Full-time Pay: From $115,000- 128,000 yearly Expected hours: 40 per week Benefits: Dental insurance Health insurance Paid time off Vision insurance Paid time off (PTO) Various health insurance options & wellness plans Required Knowledge Considerable knowledge of on-line and design of computer applications. Require Experience One to three years of database development/administration experience. Skills/Abilities Strong creative and analytical thinking skills. Well organized with strong project management skills. Good interpersonal and supervisory abilities. Ability to train and provide aid others.

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 EO/IR 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 container technology, including Docker or podman Experience with Python coding for AI/ML solutions, such as PyTorch and TensorFlow Experience working with Agentic workflows and LLMs, such as Claude or GPT 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 EO/IR 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 container technology, including Docker or podman * Experience with Python coding for AI/ML solutions, such as PyTorch and TensorFlow * Experience working with Agentic workflows and LLMs, such as Claude or GPT 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 EO/IR 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 container technology, including Docker or podman Experience with Python coding for AI/ML solutions such as PyTorch and TensorFlow Experience working with Agentic workflows and LLMs, such as Claude or GPT 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.

Database developer to support front end systems (as needed by developers across the organization, in support of web services, third party, or internal development needs) to the exclusion of reporting needs by other departments. Developed code includes but is not limited to PL/SQL in the form of Triggers, Procedures, Functions, & Materialized Views. Generates custom driven applications for intra-department use for business users in a rapid application development platform (primarily APEX). Responsible for functional testing and deployment of code through the development life cycle. Works with end-users to obtain business requirements. Responsible for developing, testing, improving, and maintaining new and existing processes to help users retrieve data effectively. Collaborates with administrators and business users to provide technical support and identify new requirements. Responsibilities Responsibilities: Design stable, reliable and effective database processes. Solve database usage issues and malfunctions. Gather user requirements and identify new features. Provide data management support to users. Ensure all database programs meet company and performance requirements. Research and suggest new database products, services, and protocols. Requirements and skills In-depth understanding of data management (e.g. permissions, security, and monitoring) Excellent analytical and organization skills An ability to understand front-end user requirements and a problem-solving attitude Excellent verbal and written communication skills Assumes responsibility for related duties as required or assigned. Stays informed regarding current computer technologies and relational database management systems with related business trends and developments. Consults with respective IT management in analyzing business functions and management needs and seeks new and more effective solutions. Seeks out new systems and software that reduces processing time and/or provides better information availability and decision-making capability. Job Type: Full-time Pay: From $115,000- 128,000 yearly Expected hours: 40 per week Benefits: Dental insurance Health insurance Paid time off Vision insurance Paid time off (PTO) Various health insurance options & wellness plans Required Knowledge Considerable knowledge of on-line and design of computer applications. Require Experience One to three years of database development/administration experience. Skills/Abilities Strong creative and analytical thinking skills. Well organized with strong project management skills. Good interpersonal and supervisory abilities. Ability to train and provide aid others.

Database developer to support front end systems (as needed by developers across the organization, in support of web services, third party, or internal development needs) to the exclusion of reporting needs by other departments. Developed code includes but is not limited to PL/SQL in the form of Triggers, Procedures, Functions, & Materialized Views. Generates custom driven applications for intra-department use for business users in a rapid application development platform (primarily APEX). Responsible for functional testing and deployment of code through the development life cycle. Works with end-users to obtain business requirements. Responsible for developing, testing, improving, and maintaining new and existing processes to help users retrieve data effectively. Collaborates with administrators and business users to provide technical support and identify new requirements. Responsibilities Responsibilities: Design stable, reliable and effective database processes. Solve database usage issues and malfunctions. Gather user requirements and identify new features. Provide data management support to users. Ensure all database programs meet company and performance requirements. Research and suggest new database products, services, and protocols. Requirements and skills In-depth understanding of data management (e.g. permissions, security, and monitoring) Excellent analytical and organization skills An ability to understand front-end user requirements and a problem-solving attitude Excellent verbal and written communication skills Assumes responsibility for related duties as required or assigned. Stays informed regarding current computer technologies and relational database management systems with related business trends and developments. Consults with respective IT management in analyzing business functions and management needs and seeks new and more effective solutions. Seeks out new systems and software that reduces processing time and/or provides better information availability and decision-making capability. Job Type: Full-time Pay: From $115,000- 128,000 yearly Expected hours: 40 per week Benefits: Dental insurance Health insurance Paid time off Vision insurance Paid time off (PTO) Various health insurance options & wellness plans Required Knowledge Considerable knowledge of on-line and design of computer applications. Require Experience One to three years of database development/administration experience. Skills/Abilities Strong creative and analytical thinking skills. Well organized with strong project management skills. Good interpersonal and supervisory abilities. Ability to train and provide aid others.

Database developer to support front end systems (as needed by developers across the organization, in support of web services, third party, or internal development needs) to the exclusion of reporting needs by other departments. Developed code includes but is not limited to PL/SQL in the form of Triggers, Procedures, Functions, & Materialized Views. Generates custom driven applications for intra-department use for business users in a rapid application development platform (primarily APEX). Responsible for functional testing and deployment of code through the development life cycle. Works with end-users to obtain business requirements. Responsible for developing, testing, improving, and maintaining new and existing processes to help users retrieve data effectively. Collaborates with administrators and business users to provide technical support and identify new requirements. Responsibilities Responsibilities: Design stable, reliable and effective database processes. Solve database usage issues and malfunctions. Gather user requirements and identify new features. Provide data management support to users. Ensure all database programs meet company and performance requirements. Research and suggest new database products, services, and protocols. Requirements and skills In-depth understanding of data management (e.g. permissions, security, and monitoring) Excellent analytical and organization skills An ability to understand front-end user requirements and a problem-solving attitude Excellent verbal and written communication skills Assumes responsibility for related duties as required or assigned. Stays informed regarding current computer technologies and relational database management systems with related business trends and developments. Consults with respective IT management in analyzing business functions and management needs and seeks new and more effective solutions. Seeks out new systems and software that reduces processing time and/or provides better information availability and decision-making capability. Job Type: Full-time Pay: From $115,000- 128,000 yearly Expected hours: 40 per week Benefits: Dental insurance Health insurance Paid time off Vision insurance Paid time off (PTO) Various health insurance options & wellness plans Required Knowledge Considerable knowledge of on-line and design of computer applications. Require Experience One to three years of database development/administration experience. Skills/Abilities Strong creative and analytical thinking skills. Well organized with strong project management skills. Good interpersonal and supervisory abilities. Ability to train and provide aid others.

Database developer to support front end systems (as needed by developers across the organization, in support of web services, third party, or internal development needs) to the exclusion of reporting needs by other departments. Developed code includes but is not limited to PL/SQL in the form of Triggers, Procedures, Functions, & Materialized Views. Generates custom driven applications for intra-department use for business users in a rapid application development platform (primarily APEX). Responsible for functional testing and deployment of code through the development life cycle. Works with end-users to obtain business requirements. Responsible for developing, testing, improving, and maintaining new and existing processes to help users retrieve data effectively. Collaborates with administrators and business users to provide technical support and identify new requirements. Responsibilities Responsibilities: Design stable, reliable and effective database processes. Solve database usage issues and malfunctions. Gather user requirements and identify new features. Provide data management support to users. Ensure all database programs meet company and performance requirements. Research and suggest new database products, services, and protocols. Requirements and skills In-depth understanding of data management (e.g. permissions, security, and monitoring) Excellent analytical and organization skills An ability to understand front-end user requirements and a problem-solving attitude Excellent verbal and written communication skills Assumes responsibility for related duties as required or assigned. Stays informed regarding current computer technologies and relational database management systems with related business trends and developments. Consults with respective IT management in analyzing business functions and management needs and seeks new and more effective solutions. Seeks out new systems and software that reduces processing time and/or provides better information availability and decision-making capability. Job Type: Full-time Pay: From $115,000- 128,000 yearly Expected hours: 40 per week Benefits: Dental insurance Health insurance Paid time off Vision insurance Paid time off (PTO) Various health insurance options & wellness plans Required Knowledge Considerable knowledge of on-line and design of computer applications. Require Experience One to three years of database development/administration experience. Skills/Abilities Strong creative and analytical thinking skills. Well organized with strong project management skills. Good interpersonal and supervisory abilities. Ability to train and provide aid others.

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. Are you ready for your next career challenge? The Non-Kinetic Effects Business Area, part of the Defense Sector at Leidos, currently has an opening for a cleared Software Engineer to work in our Beavercreek, OH Office. This is an exciting opportunity to use your experience helping the Air Force Research Lab, Air Force Lifecycle Management Center, and other DoD missions. Your role will be to support our diverse portfolio of programs through a combination of software design and development, hardware interfacing and integration, laboratory experimentation, ground and flight testing to deploy cutting edge, next generation solutions. Primary Responsibilities. Design, develop and maintain mission-critical software in support of national defense, and intelligence gathering products for both airborne and ground-based systems Responsible for performing the software engineering function, including the design, development, testing, troubleshooting, and debugging software programs for enhancements and new software-intensive systems and products. Applies appropriate principles, standards, processes, procedures and tools throughout the software development life cycle. Duties include software requirements analysis, analysis of hardware compatibility, development of software products and tools used for design, development and maintenance of infrastructure, and platforms. Develops technical solutions that require collaboration with internal experts, deep analyses and understanding of impact on end-product/solution. Develops solutions to technical problems and issues that are unclear and require deep technical knowledge. Participate in laboratory, ground and flight testing to validate software Document and communicate proposed software solutions with integrated, cross-functional engineering teams in a fast paced highly technical environment Works independently to achieve day-to-day objectives with significant impact on operational results or project deliverables. Responsible for entire projects or processes within a technical area. Stay up to date on state-of-the-art programming techniques and software technologies Participate in software design and code reviews to ensure delivery of quality products and enhance skillsets Basic Qualifications. Bachelor's degree and 4-8 years of prior relevant experience or a Master's degree with 2-4 years of experience in software engineering, computer engineering or related field. Experience programming in one or more of the following languages: C++, Java, Python Experienced in systems integration, maintenance, and troubleshooting of complex system problems Experience working in a SIL environment Ability to communicate effectively in writing and verbally from informal one-on-one discussions or in a small group environment. Work well within a team and independently with minimal supervision. Ability to work within a dynamic work environment, ability to handle multiple tasks at once (multi-task) Requires deep understanding of and ability to apply principles, theories, and concepts of technical domain and has broad understanding of other related specialty areas. Strong desire to grow and learn new technologies. Must be a US Citizen. Strong interpersonal and communication skills Security Clearance Requirements. Must be a US Citizen Must have an active DoD Secret level security clearance Preferred Qualifications. Active DoD TS/SCI clearance Familiar with Agile Methodologies, preferably SCRUM or Kanban Experience with Atlassian tools such as JIRA, Confluence, Bitbucket Experience with model and simulation environments to support simulation and test Experience with Live and Virtual Constructive environments to understand complex systems and troubleshooting points for integration Familiarity with DoD Open Architectures such as OMS and SOSA Experience with containerization technologies such as docker or podman Experience with Kubernetes Experience developing and deploying to offline environments Strong understanding of Linux systems Experience with Unit Testing and CI/CD Strong understanding of IP based network protocols such as TCP, UDP, and HTTP Prior experience working with the DoD Come break things (in a good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't wear capes (they're a safety hazard), but we do solve high-stakes problems with code, caffeine, and a healthy disregard for “how it's always been done.” Original Posting:December 24, 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 $87,100.00 - $157,450.00 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: No relocation assistance 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. Northrop Grumman Defense Systems (NGDS) is seeking software engineers to develop and maintain capabilities in support of a new defense program named CHAIN (C4ISR Holistic Analysis of Networks). CHAIN has been designated by the U.S. Department of Defense (DoD) to become the standard C4ISR intelligence and analysis tool across the DoD intelligence community (DoD IC). CHAIN is a cloud-based DevSecOps platform based on Platform One's Big Bang. It will feature the latest in Cloud Native Computing Foundation (CNCF) projects and tools. Candidates should have a track record and interest in working with cloud-compatible technologies to solve complex challenges and deliver results to support today's modern warfighter and C4ISR intelligence analysts. The CHAIN program is managed from the National Air and Space Intelligence Center (NASIC) at Wright Patterson Air Force Base in Dayton Ohio. Basic Qualifications for a Senior Principal Software Engineer: One of the following: A high school diploma with a minimum of 12 years of software development experience A bachelor's degree with a minimum of 8 years of software development experience A master's in degree with a minimum of 6 years of software development experience Full stack web development experience Experience writing software applications using Go, Java, or Python Experience working with web applications and front-end frameworks such as Vue.js, React, or Angular Interest in full stack development of cloud-based microservice applications Familiarity with Agile development processes such as Scrum and Kanban Strong interpersonal skills to communicate effectively with technical teams Ability to prioritize and adjust tasks to accomplish project results Ability to comprehend and analyze complex problems and develop solutions U.S. Citizenship with the ability to obtain a TS/SCI security clearance Preferred Qualifications: Experience with the following technologies: Javascript, Typescript, and Vue.js Graph and document NoSQL databases such as ArangoDB and Dgraph GeoJSON and CesiumJS Go (programming language) Gitlab Istio Grafana Helm Elastic HTML CSS, SCSS Software security tools such as Trivy and Sonarqube Experience developing containerized software applications using Docker, Podman, and Kubernetes Experience designing and developing REST APIs Experience working with semantic knowledge graphs, ontologies, and RDF triplestores Experience working with tree data structures and traversal algorithms such as depth-first search and breadth-first search Experience working with medium to large scale, cloud-based microservice applications Knowledge or experience of the zero-trust security model and PKI-based authentication using X.509 certificates DevOps experience or interest in using DevOps to support software development Experience with continuous integration / continuous deployment (CI/CD) using Gitlab Runners Primary Level Salary Range: $129,300.00 - $193,900.00The 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.

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. Are you ready for your next career challenge? The Non-Kinetic Effects Business Area, part of the Defense Sector at Leidos, currently has an opening for a cleared Software Engineer to work in our Beavercreek, OH Office. This is an exciting opportunity to use your experience helping the Air Force Research Lab, Air Force Lifecycle Management Center, and other DoD missions. Your role will be to support our diverse portfolio of programs through a combination of software design and development, hardware interfacing and integration, laboratory experimentation, ground and flight testing to deploy cutting edge, next generation solutions. Primary Responsibilities. Design, develop and maintain mission-critical software in support of national defense, and intelligence gathering products for both airborne and ground-based systems Responsible for performing the software engineering function, including the design, development, testing, troubleshooting, and debugging software programs for enhancements and new software-intensive systems and products. Applies appropriate principles, standards, processes, procedures and tools throughout the software development life cycle. Duties include software requirements analysis, analysis of hardware compatibility, development of software products and tools used for design, development and maintenance of infrastructure, and platforms. Develops technical solutions that require collaboration with internal experts, with a thorough understanding of the impact on end-product/solution. Develop solutions to technical problems and issues that are unclear and require technical knowledge. Participate in laboratory, ground and flight testing to validate software Document and communicate proposed software solutions with integrated, cross-functional engineering teams in a fast paced highly technical environment Works independently to achieve day-to-day objectives with moderate impact on operational results or project deliverables. Addresses somewhat complex technical issues/problems using internal best practice and through collaboration with colleagues. Develops solutions to technical problems that require depth of technical knowledge, but are typically limited in complexity Requires working knowledge of and ability to apply standards, principles, theories, concepts, and techniques of technical domain. Stay up to date on state-of-the-art programming techniques and software technologies Participate in software design and code reviews to ensure delivery of quality products and enhance skillsets Basic Qualifications. BS degree and 2 - 4 years of prior relevant experience or Master's degree with less than 2 years of prior relevant experience in software engineering, computer engineering or related field. Experience programming in one or more of the following languages: C++, Java, Python Experienced in systems integration, maintenance, and troubleshooting of complex system problems Experience working in a SIL environment Ability to communicate effectively in writing and verbally from informal one-on-one discussions or in a small group environment. Work well within a team and independently with minimal supervision. Ability to work within a dynamic work environment, ability to handle multiple tasks at once (multi-task) Requires deep understanding of and ability to apply principles, theories, and concepts of technical domain and has broad understanding of other related specialty areas. Strong desire to grow and learn new technologies. Must be a US Citizen. Must be able to acquire a top-secret security clearance. Strong interpersonal and communication skills Preferred Qualifications. Active DoD TS/SCI clearance Familiar with Agile Methodologies, preferably SCRUM or Kanban Experience with Atlassian tools such as JIRA, Confluence, Bitbucket Experience with model and simulation environments to support simulation and test Experience with Live and Virtual Constructive environments to understand complex systems and troubleshooting points for integration Familiarity with DoD Open Architectures such as OMS and SOSA Experience with containerization technologies such as docker or podman Experience with Kubernetes Experience developing and deploying to offline environments Strong understanding of Linux systems Experience with Unit Testing and CI/CD Strong understanding of IP based network protocols such as TCP, UDP, and HTTP Prior experience working with the DoD 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:January 16, 2026 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.

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, andoperatesustainably. 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. **Are you ready for your next career challenge?** TheNon-Kinetic Effects BusinessArea, part of the Defense Sector at Leidos, currently has an opening for a cleared Software Engineer to work in our Beavercreek, OHOffice.This is an exciting opportunity to use your experience helping the Air Force Research Lab, Air Force Lifecycle Management Center, and other DoD missions. Your role will be to support our diverse portfolio of programs through a combination of software design and development, hardware interfacing and integration, laboratory experimentation,groundand flight testing to deploycutting edge, next generation solutions. **Primary Responsibilities.** + Design, develop andmaintainmission-critical software in support of national defense, and intelligence gathering products for both airborne andground-basedsystems + Responsible for performing the software engineering function, including the design, development, testing, troubleshooting, anddebuggingsoftware programs for enhancements and new software-intensive systems and products. Appliesappropriate principles, standards, processes,proceduresand tools throughout the software development life cycle. + Duties include software requirements analysis, analysis of hardware compatibility, development of software products and tools used for design, development and maintenance of infrastructure, and platforms. + Develops technical solutions that require collaboration with internal experts,with a thoroughunderstanding oftheimpact on end-product/solution. + Developsolutions to technical problems and issues that are unclear and require technical knowledge. + Participate in laboratory,ground and flight testing tovalidatesoftware + Document and communicate proposed software solutions with integrated, cross-functional engineering teams in a fast paced highly technical environment + Works independently to achieve day-to-dayobjectiveswithmoderateimpact on operational results or project deliverables. + Addressessomewhat complextechnical issues/problems using internal best practice and through collaboration with colleagues. + Develops solutions to technical problems that require depth of technical knowledge, but are typically limited in complexity + Requires working knowledge of and ability to apply standards, principles, theories, concepts, and techniques of technical domain. + Stayup to dateonstate-of-the-artprogramming techniques and software technologies + Participate in software design and code reviews to ensure delivery of quality products and enhance skillsets **Basic Qualifications.** + BS degree and 2 - 4 years of prior relevant experience or Master'sdegreewith less than 2 years of prior relevant experienceinsoftware engineering, computerengineeringor related field. + Experience programming in one or more of the following languages: C++, Java,Python + Experienced in systems integration, maintenance, and troubleshooting of complex system problems + Experience working in a SIL environment + Ability to communicate effectively in writing and verbally from informal one-on-one discussions or in a small group environment. + Work well within a team and independently with minimal supervision. + Ability to work within a dynamic work environment, ability to handle multiple tasks at once (multi-task) + Requires deep understanding of and ability to apply principles, theories, and concepts of technical domain and has broad understanding of other related specialty areas. + Strong desireto grow and learnnew technologies. + Must be a US Citizen. + Must be able toacquirea top-secret security clearance. + Strong interpersonal and communication skills **Preferred Qualifications.** + Active DoD TS/SCI clearance + Familiar with Agile Methodologies, preferably SCRUM or Kanban + Experience with Atlassian tools such as JIRA, Confluence, Bitbucket + Experience with model and simulation environments to support simulation and test + Experience with Live and Virtual Constructive environments to understand complex systems and troubleshooting points for integration + Familiarity with DoD Open Architectures such as OMS and SOSA + Experiencewith containerization technologies such as docker orpodman + Experience with Kubernetes + Experience developing and deploying to offline environments + Strong understanding of Linux systems + Experience with Unit Testing and CI/CD + Strong understanding of IP based network protocols such as TCP, UDP, and HTTP + Prior experience working with the DoD 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:** January 16, 2026 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 onlyand 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. **About Leidos** Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit ************** . **Pay and Benefits** Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at **************/careers/pay-benefits . **Securing Your Data** Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at ***************************** . If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission (******************************* . **Commitment to Non-Discrimination** All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. REQNUMBER: R-00173706 All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

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. Are you ready for your next career challenge? The Non-Kinetic Effects Business Area, part of the Defense Sector at Leidos, currently has an opening for a cleared Software Engineer to work in our Beavercreek, OH Office. This is an exciting opportunity to use your experience helping the Air Force Research Lab, Air Force Lifecycle Management Center, and other DoD missions. Your role will be to support our diverse portfolio of programs through a combination of software design and development, hardware interfacing and integration, laboratory experimentation, ground and flight testing to deploy cutting edge, next generation solutions. Primary Responsibilities. * Design, develop and maintain mission-critical software in support of national defense, and intelligence gathering products for both airborne and ground-based systems * Responsible for performing the software engineering function, including the design, development, testing, troubleshooting, and debugging software programs for enhancements and new software-intensive systems and products. Applies appropriate principles, standards, processes, procedures and tools throughout the software development life cycle. * Duties include software requirements analysis, analysis of hardware compatibility, development of software products and tools used for design, development and maintenance of infrastructure, and platforms. * Develops technical solutions that require collaboration with internal experts, with a thorough understanding of the impact on end-product/solution. * Develop solutions to technical problems and issues that are unclear and require technical knowledge. * Participate in laboratory, ground and flight testing to validate software * Document and communicate proposed software solutions with integrated, cross-functional engineering teams in a fast paced highly technical environment * Works independently to achieve day-to-day objectives with moderate impact on operational results or project deliverables. * Addresses somewhat complex technical issues/problems using internal best practice and through collaboration with colleagues. * Develops solutions to technical problems that require depth of technical knowledge, but are typically limited in complexity * Requires working knowledge of and ability to apply standards, principles, theories, concepts, and techniques of technical domain. * Stay up to date on state-of-the-art programming techniques and software technologies * Participate in software design and code reviews to ensure delivery of quality products and enhance skillsets Basic Qualifications. * BS degree and 2 - 4 years of prior relevant experience or Master's degree with less than 2 years of prior relevant experience in software engineering, computer engineering or related field. * Experience programming in one or more of the following languages: C++, Java, Python * Experienced in systems integration, maintenance, and troubleshooting of complex system problems * Experience working in a SIL environment * Ability to communicate effectively in writing and verbally from informal one-on-one discussions or in a small group environment. * Work well within a team and independently with minimal supervision. * Ability to work within a dynamic work environment, ability to handle multiple tasks at once (multi-task) * Requires deep understanding of and ability to apply principles, theories, and concepts of technical domain and has broad understanding of other related specialty areas. * Strong desire to grow and learn new technologies. * Must be a US Citizen. * Must be able to acquire a top-secret security clearance. * Strong interpersonal and communication skills Preferred Qualifications. * Active DoD TS/SCI clearance * Familiar with Agile Methodologies, preferably SCRUM or Kanban * Experience with Atlassian tools such as JIRA, Confluence, Bitbucket * Experience with model and simulation environments to support simulation and test * Experience with Live and Virtual Constructive environments to understand complex systems and troubleshooting points for integration * Familiarity with DoD Open Architectures such as OMS and SOSA * Experience with containerization technologies such as docker or podman * Experience with Kubernetes * Experience developing and deploying to offline environments * Strong understanding of Linux systems * Experience with Unit Testing and CI/CD * Strong understanding of IP based network protocols such as TCP, UDP, and HTTP * Prior experience working with the DoD 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: January 16, 2026 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.

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 lead a team as they develop efficient and effective software, from vision to production-ready system, in an exciting, agile environment. As a seasoned 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 share your skills as your team utilizes 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: 10+ years of experience designing, modifying, developing, writing, and implementing software programming applications using Agile methods, and in software development with basic programming languages, technologies, tools, or web development stacks Experience with Python coding Experience with containerization tools and techniques, using Docker, Kubernetes, ECS, or OpenShift Experience with Agile development and utilizing GitLab processes Experience writing source code for new applications or generating and enhancing code samples for existing applications Experience in acquiring client requirements and resolving workflow problems through automation optimization Experience mentoring or supervising employees within a collaborative, cross-functional team environment Ability to work with automated testing tools to perform testing and maintenance Active TS/SCI clearance; willingness to take a polygraph exam Bachelor's degree and 10+ years of experience in Software Engineering, OR Master's degree and 6+ years of experience in Software Engineering Nice If You Have: Experience with C++ Knowledge of CI/CD pipelines using Jenkins, GitHub Actions, Git, or similar tools Master's degree in CS, Computer Engineering, or a related Engineering field preferred; Doctorate degree in CS, Computer Engineering, or a related Engineering field a plus 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 $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.