Principal software engineer jobs in Leesburg, VA - 4,795 jobs
All
Principal Software Engineer
Senior Software Architect
Senior Leader
Lead Technician
Senior Engineer
Senior Test Engineer
Lead Engineer
Senior Software Engineer
Software Engineer Lead
Software Development Engineer
Software Engineer
Software Engineering Internship
Enterprise Software Engineering Director & CoE Leader
Northrop Grumman Corp. (Au 4.7
Principal software engineer job in McLean, VA
A leading defense technology company is seeking a Corporate SoftwareEngineering Director to shape the vision and execution of softwareengineering across the enterprise. This role requires extensive experience in softwareengineering management and systems engineering. Candidates must hold a Bachelor's or Master's degree in a STEM field and have a current secret-level security clearance. Duties include leading change management initiatives and developing a unified talent development framework. It is a full-time position based in McLean, Virginia.
#J-18808-Ljbffr
$82k-104k yearly est. 1d ago
Looking for a job?
Let Zippia find it for you.
Senior Test & Evaluation Engineer - DoD/IC T&E Expert
ENS Solutions, LLC
Principal software engineer job in Washington, DC
A service-disabled veteran owned IT consulting firm located in Washington, DC is seeking a professional with a Bachelor's degree and over 10 years of relevant experience. The job includes analyzing system requirements, supporting test and evaluation documentation development, and integrating with test organizations. Applicants must have an Active TS/SCI Clearance and a willingness to obtain a CI Poly. This role offers comprehensive medical coverage, 401k contributions from day one, and generous PTO.
#J-18808-Ljbffr
$77k-101k yearly est. 2d ago
Tech Policy & Innovation Lead
Clearpath 4.6
Principal software engineer job in Washington, DC
A leading non-profit policy institute is seeking a Director of Technology & Innovation Policy to manage its tech policy portfolio. The ideal candidate will have over three years of experience in a relevant policy field and possess strong writing and research skills. Responsibilities include proactive research and effective communication of complex policy issues. A commitment to sensible policy solutions is essential. The position is based in Washington, DC and offers competitive benefits including health coverage and a retirement savings plan.
#J-18808-Ljbffr
$119k-150k yearly est. 4d ago
Senior Federal Policy & Government Affairs Leader
Kappaalphapsi1911
Principal software engineer job in Washington, DC
A leading agricultural firm located in Washington, D.C. is seeking a savvy Public Policy Manager. This role involves working closely with government officials and stakeholders on issues that affect the business. Candidates should have over 12 years of experience in public policy, strong analytical skills, and an understanding of the Congressional process. The compensation ranges from $156,800 to $196,000, plus an annual bonus. Benefits include health plans, 401(k) matching, parental leave, and generous PTO.
#J-18808-Ljbffr
$156.8k-196k yearly 5d ago
Strategic FP&A Leader for Tech Growth & Investor Insights
Andrews & Cole
Principal software engineer job in Bethesda, MD
A private equity-backed technology company in Bethesda, MD is seeking a Head of FP&A. This role involves leading budgeting, forecasting, and reporting processes, demanding strong financial modeling and reporting skills. The ideal candidate will have over 15 years of FP&A experience, preferably in tech or SaaS industries, and will thrive in a small, fast-paced environment. Competitive salary of $175-225K plus incentive compensation based on experience.
#J-18808-Ljbffr
$175k-225k yearly 4d ago
Senior Drainage & Stormwater Engineering Lead
WSP Global Inc.
Principal software engineer job in Herndon, VA
A leading engineering firm in Herndon, Virginia is seeking a Drainage and Stormwater Senior Technical Manager. The role involves managing multiple drainage and stormwater design projects while mentoring junior staff. The ideal candidate will have over 10 years of experience in civil engineering and a Professional Engineer license. Competitive compensation and an opportunity for growth are offered in this globally recognized firm.
#J-18808-Ljbffr
$87k-127k yearly est. 1d ago
Senior Substation Physical Design Lead
Unavailable
Principal software engineer job in Washington, DC
An engineering firm in Washington is seeking a Substation Physical Engineer with over 10 years of experience to join their Power Delivery team. This role requires proficiency in HV and MV Substation design, leadership skills, and the ability to work in a fast-paced environment. The base salary range is between $135,000 and $150,000, with eligibility for performance-based bonuses. Professional Engineering (P.E.) License is preferred or must be obtained within 12 months.
#J-18808-Ljbffr
$135k-150k yearly 2d ago
Senior Government Proposals Lead - End-to-End Wins
Nira Inc.
Principal software engineer job in Washington, DC
A proposal management firm is seeking a Senior Proposal Professional in Washington, D.C. The role involves leading the entire proposal lifecycle for government RFPs and ensuring compliance with submission standards. Candidates must have over 7 years of experience, exceptional attention to detail, and strong writing skills. The position offers a competitive compensation package in a collaborative work environment, where you will directly impact the company's growth.
#J-18808-Ljbffr
$95k-139k yearly est. 4d ago
Software Engineer - R&D Systems
Novateur Research Solutions
Principal software engineer job in Ashburn, VA
SoftwareEngineer - Entry to Mid-Level (R&D Systems)
Novateur stands for Innovation. We value creativity, vision, collaboration, and above all, ambition to innovate. Novateur Research Solutions is an R&D firm located in Northern Virginia, developing intelligent systems that push the boundaries of computer vision, AI, and large-scale learning.
We are looking for SoftwareEngineers eager to build scalable systems and deploy machine learning models in real-world environments. You will work closely with our researchers and engineers to develop software for real-time perception, geospatial analytics, and distributed systems.
Responsibilities:
• Develop and deploy production-grade software in Python and C++.
• Build APIs, data pipelines, and visualization tools to support machine learning workflows.
• Collaborate with researchers to translate algorithms into efficient implementations.
• Contribute to system design, cloud deployment (AWS), and automation.
Requirements:
• BS or MS in Computer Science, Engineering, or a related field.
• Proficiency in modern programming and softwareengineering practices.
• Familiarity with Docker, Kubernetes, or AWS.
• Enthusiasm for learning and applying machine learning or computer vision methods.
• U.S. Citizen or Permanent Resident.
Why Novateur?
Join a team that values creativity and initiative. Our engineers have freedom to innovate, collaborate with top researchers, publish research in major scientific conferences, and see their ideas deployed in impactful applications.
Company Benefits:
Novateur offers competitive pay and benefits comparable to Fortune 500 companies that include a wide choice of healthcare options with generous company subsidy, 401(k) with generous employer match, paid holidays and paid time off increasing with tenure, and company paid short-term disability, long-term disability, and life insurance.
We offer a work environment which fosters individual thinking along with collaboration opportunities within and beyond Novateur. In return, we expect a high level of performance and passion to deliver enduring results for our clients.
$72k-99k yearly est. 4d ago
Lead Azure Cloud Engineer
Endurance It Services
Principal software engineer job in Reston, VA
We have a client in Reston, VA, seeking a Lead Azure Cloud Engineer to play a pivotal role in designing, implementing, and optimizing their Azure cloud infrastructure. In this strategic position, you'll collaborate with enterprise technology leaders and cross-functional teams-development, operations, and security-to build a secure, scalable, and high-performing cloud environment.
Requirements:
Bachelor's degree in Computer Science, Engineering, or related field.
4+ years of experience as an Azure Cloud Engineer or similar role.
Strong knowledge of Azure service models (Serverless, IaaS, PaaS, SaaS).
Expertise in cloud security, compliance, and cost optimization.
Azure certifications (minimum: Azure Administrator).
Excellent problem-solving, troubleshooting, and collaboration skills.
What You'll Do:
Architect and manage scalable, secure Azure solutions across multiple environments.
Ensure availability, performance, and security of all Azure resources.
Develop and maintain Infrastructure as Code (IaC) using Terraform, Bicep, or ARM templates.
Deploy and configure hybrid solutions integrating on-premises and cloud environments.
Monitor and optimize infrastructure for cost efficiency and reliability.
Troubleshoot and resolve complex system issues escalated from support or design phases.
Stay ahead of emerging Azure technologies and best practices to drive innovation.
Maintain comprehensive documentation-requirements, architecture diagrams, design specs, and test plans.
Bonus: Experience with M365, Intune, PP&C, UEM, and IAM is highly valued.
About Us: Endurance IT Services provides Managed IT Services, Cybersecurity Solutions, and IT Consulting to help businesses stay secure and productive. We also offer IT Staffing for Direct-Hire, Contract-to-Hire, and Contract roles, plus internal full-time positions.
Note: Some opportunities may not be exclusive and can change as we work with clients but our goal is always to help candidates find the right job.
$73k-102k yearly est. 2d ago
Senior Software Engineer
Mantech 4.5
Principal software engineer job in Alexandria, VA
MANTECH seeks a motivated, career and customer-oriented Senior SoftwareEngineer to join our team in Alexandria, VA. As part of the position, you will act as a SoftwareEngineer designing and implementing services and components for AI applications.
Responsibilities include but are not limited to:
Develops, implements, and maintains full-stack software solutions for AI-enabled applications.
Works closely with the Software Architect to understand project requirements and translate them into technical specifications.
Develops and integrates AI and ML capabilities on a cloud-hosted data platform that supports significant market adoption, high performance, and strict access control and governance.
Designs and builds prototype and proof of concept User Interfaces using modern UX/UI standards.
Stays current with advancements in AI, machine learning, and softwareengineering, incorporating best practices into the development process.
Performs system optimization, performance tuning and assists in capacity planning.
Performs proactive analysis of potential issues, risks and roadblocks during system implementation and operations.
Documents software designs, code, and processes to ensure maintainability, scalability, and knowledge sharing among team members.
Participates in code reviews and provides constructive feedback to peers to ensure code quality, adherence to coding standards, and knowledge transfer within the team.
Minimum Qualifications:
Bachelor's degree in Computer Science, Information Technology, or a related field.
10 or more years (7 with Master's) of experience in software development, systems integration, data management, or related fields.
Experience with configuring and developing in a major public cloud system such as Oracle, Azure, AWS, or GCP.
Experience in programming and/or scripting languages such as JavaScript, Python, C++, or Java.
Experience with software development frameworks and tools (e.g., TensorFlow, PyTorch, Flask, Docker).
Strong understanding of softwareengineeringprinciples, including design patterns, data structures, and algorithms.
Experience with DevOps tools and techniques for building integrations with external systems including Infrastructure as Code (IaC). Example tools include Jenkins, GitLab, Ansible, Terraform, AWS Cloud Formation Templates
Preferred Qualifications:
Master's degree in Computer Science, Information Technology, or a related field.
Strong analytical and problem-solving skills.
Excellent communication and interpersonal skills.
Experience working with data ingest and transformation.
Ability to work effectively in a team-oriented environment.
Clearance Requirements:
Must possess a current and active TS/SCI
Physical Requirements:
The person in this position must be able to remain in a stationary position 50% of the time.
Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.
$85k-108k yearly est. 2d ago
Senior Software Architect & Solutions Consultant
Medium 4.0
Principal software engineer job in Washington, DC
A leading consulting firm in Washington is seeking a Senior Consultant to join their engineering department. This role involves planning, designing, and developing infrastructure projects while ensuring compliance with governmental regulations. Candidates should have a strong background in software development with a Bachelor's degree in computer science or related fields. The position offers a competitive salary range of $75,000 to $100,000 annually, and requires a minimum of four years of related experience.
#J-18808-Ljbffr
$75k-100k yearly 4d ago
Summer 2026 Internship in Software Engineering
Expedition Technology
Principal software engineer job in Herndon, VA
Are you enthusiastic about technology and eager to make an impact in the defense sector? Join us as a SoftwareEngineering Intern for the summer of 2026 and gain practical experience with state-of-the-art technologies that safeguard our nation. At Expedition Technology (EXP), you'll have the chance to work on significant projects that enhance national security, collaborate with seasoned professionals, hone your skills, and contribute to solving real-world challenges. If you're excited about a dynamic and fulfilling internship where you'll be part of the action, apply now to be part of a team addressing the issues of tomorrow!
What will you do as a summer intern at EXP?
Learn & Develop: You'll delve into a real-world Agile software development environment where you will utilize tools such as Python, React, Docker, and Git to create forward leaning solutions
Implement: You'll develop solutions to support our work in web development, machine learning and signal processing
Collaborate: You'll engage with your team and other domain experts to design new features, prioritize work, and mitigate risks
Additional details:
Location: On-site at Expedition Technology's headquarters in Herndon, VA
Duration: Full-time (40 hours/week), Summer of 2026
Compensation: $33.50/hr.
Is this the right internship for you?
To be qualified for an internship position you should have the following qualifications:
United States citizenship is required for security clearance purposes
Must be a currently enrolled student who is pursuing a college degree in computer science, electrical engineering, math, physics, or other STEM-related field
Must be entering your final year of an undergraduate or graduate program with an anticipated graduation date of December 2026 or May 2027
Have proficiency in modern programming languages (Python preferred)
Be familiar with command line and version control (Git) experience
Demonstrate interest in softwareengineering (courses, clubs, projects, etc.)
Interest in working in defense and/or intelligence related careers post-graduation
Must be willing to undergo background investigation process for a US-government issued security clearance
What's it like being a summer intern at Expedition Technology?
Get a first-hand perspective from our 2025 summer intern team by reading this blog post.
Still hungry for more information? Read about our work, our culture and our accoladeson our website and LinkedIn.
About Expedition Technology (EXP)
Positioned in Northern Virginia's tech hub, EXP is an innovative engineering company that crafts advanced solutions for the defense and intelligence sectors. We champion innovation, promote individual growth, and thrive on collaboration.
We're committed to embracing diversity:
At EXP, we believe in the power of diverse minds. All applicants will be considered without bias. We're an Equal Opportunity Employer that cherishes creativity sparked by varied backgrounds.
Who is Expedition Technology?
Expedition Technology (EXP) designs, develops, and delivers innovative, advanced signal, image, and multi-INT solutions for the defense and intelligence communities. We leverage advanced algorithms, platforms, and technologies to solve our customers' most complex, demanding, and urgent C4ISR challenges. Our culture promotes individual growth and opportunity, prioritizes a collaborative team spirit, and invites the intellectually curious to creatively solve challenging problems. Headquartered in Northern Virginia's high-tech corridor, EXP is a rapidly growing, privately held, employee-owned company that pushes the boundaries of what is possible every day.
Interested in joining our team? Let's explore together.
To learn more about EXP and discover why we are an award-winning workplace, visit ourweb siteand follow us on LinkedIn.
Join Our Team and Enjoy Exceptional Benefits!
Expedition Technology (EXP) offers a flexible, self-directed benefits package that is designed to fit your individual needs.Here's a glimpse of the outstanding benefits you can enjoy when you join our team:
Company-paid medical, dental, and vision insurance
Generous Time Off: Enjoy 12 paid holidays, up to 33 days of PTO, and generous sick leave
Robust 401(k) Plan: Benefit from up to a 12% company contribution, including a 3% safe harbor, 6% match, and up to 3% additional as a form of profit sharing.
Student Loan Repayment: Take advantage of our unique option to reallocate a portion of your 401(k) match funds to repay student loans, helping you achieve financial freedom faster.
Paid Parental Leave: Six weeks of paid leave for the primary caregiver and 2 weeks of paid leave for the secondary caregiver for you to bond with your new family member.
Tuition Reimbursement: Pursue further education with up to $5,250/year available to support your continuous learning and growth.
Referral Bonus Program: Earn rewards for bringing talented individuals into our team.
Exclusive Entertainment Perks: Enjoy free tickets to sporting events, theater, concerts, and more, adding fun and excitement to your life.
Onsite Amenities: Stay fit and healthy with our free, onsite fitness center, active workstations featuring treadmill and bike desks, and enjoy our onsite cafeteria with reduced-cost options.
Inspiring Work Culture: Thrive in a collaborative, creative, and supportive culture where you are encouraged to push boundaries, take risks, and enjoy the rewards.
Join us and be part of a team that values your well-being and professional growth. Apply today and take the first step towards a fulfilling career with us!
EXP is proud to be an Equal Opportunity Employer that believes a diverse range of talent creates an environment that fosters creativity and innovation
.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, genetic information, or protected veteran status.
$33.5 hourly 2d ago
Senior Plumbing Engineer
Arup 4.6
Principal software engineer job in Washington, DC
ReqID: NEW000203
**Joining Arup**
At Arup, you belong to an extraordinary collective - one that encourages individuality to thrive. Our strength comes from how we respect, share, and connect our diverse experiences, perspectives, and ideas.
You will have the opportunity to do socially useful work that has meaning - to Arup, to your career, to our members, and to the clients and communities we serve.
We are currently seeking a Senior Plumbing Engineer to join us in one of our east offices, in New York, New Jersey, Boston, or DC to work on design plumbing and fire protection systems including domestic cold-water systems, domestic hot water systems, specialty water systems, sanitary drainage and vent systems, storm drainage systems, natural gas distribution systems, medical gas and/or laboratory gas systems, grease waste systems, acid waste and vent systems, other special plumbing systems, and fire suppression systems.
This role supports a broad range of building types, with opportunities to contribute to technically complex and mission-critical facilities.
**The Opportunity**
- Design plumbing and fire protection systems for buildings and structures across a variety of market sectors.
- Prepare drawings detailing system designs, including plumbing schedules, floor plans, enlarged plans, details, and riser diagrams.
- Prepare sketches and narratives for SD packages; develop Revit drawings for DD deliverables and construction documents.
- Perform system design calculations, code analysis, and maintain accurate design records.
- Select and specify equipment for use in building systems.
- Prepare written reports describing proposed systems and design alternatives.
- Develop project-specific specifications tailored to client and project needs.
- Coordinate work with engineers and designers across multiple disciplines.
- Attend meetings and communicate with clients to establish requirements and resolve design issues.
- Incorporate sustainable and resilient design strategies based on client and project needs.
- Support construction administration activities, including site visits, review of submittals and RFIs, troubleshooting construction issues, and preparation of site observation reports.
- Mentor junior plumbing engineers and designers.
- Coordinate with city officials and Fire Marshal offices as required for project delivery.
**Is This Role Right for You?**
- Bachelor's degree in mechanical, architectural, civil, or environmental engineering.
- Minimum 8 years of experience in the design and specification of plumbing and fire protection systems.
- Familiarity with relevant codes and standards, including UPC, IPC, IBC, ASPE standards, LEED Water Efficiency, TDSHS, FGI, and NFPA.
- Experience designing a variety of building types, which may include offices, hotels, hospitals, laboratories, high-rise buildings, and other technically complex facilities.
- Proficiency in Revit for developing design drawings and 3D models of plumbing and piping systems preferred.
- Ability to deliver high-quality work within established schedules and budgets.
- Strong communication skills and ability to work effectively in a collaborative, team-based environment.
- Excellent planning, organization, and time-management skills in a fast-paced setting.
- Highly motivated, proactive, and willing to take on new challenges.
- Working knowledge of Bluebeam, Excel, Word, and Navisworks.
**Other / Preferred Qualifications**
- Experience supporting mission-critical or data center facilities, including familiarity with reliability, redundancy, resilience, and operational continuity considerations, is preferred.
- Professional Engineering (PE) license preferred, or ASPE CPD (Certified in Plumbing Design) in the U.S.
- Strong foundation in plumbing engineering fundamentals.
- Certifications in Medical Gas Design.
- LEED AP or WELL accreditation.
Please note that all applicants must apply directly via the job portal. If this role is not quite what you are looking for, but you are interested in other opportunities for a future with purpose, please sign up to our Talent Community is where you will be kept up to date with roles suitable for you to shape a better world.
**What we offer you**
At Arup, we care about each member's success, so we can grow together.
Guided by our values, we provide an attractive total reward package that recognizes the contribution of each of our members to our shared success. As well as competitive, fair and equitable pay, we offer a career in which all of our members can belong, grow and thrive - through benefits that support health and wellbeing, a wide range of learning opportunities and many possibilities to have an impact through the work they do
We are owned in trust on behalf of our members, giving us the freedom, with personal responsibility, to set our own direction and choose work that aligns with our purpose and adds to Arup's legacy. Our members collaborate on ambitious projects to deliver remarkable outcomes for our clients and communities. Profit Share is a key part of our reward, enabling members to share in the results of our collective efforts.
**Benefits at Work -** At Arup, we have a comprehensive and valuable benefits program that works for our employees and their families while keeping costs low. These benefits provide health and welfare security for you as well as paid time off for rest and renewal. As a member of Arup, everyone shares in our success through a global profit share scheme (payments are dependent on the firm's financial performance). Our Global Profit Share Plan (paid bi-annually) provides an opportunity for you to share in the success of the Firm. As a valued employee of Arup, you can also choose to participate in our 401(k) plan with up to 10% company match to help you save for your future.
**Flexible Working** - We believe that flexible arrangements create a more inclusive way of working that supports our diversity and the wellbeing of our people. Options for alternative schedules and the ability to work outside of the office for a portion of your workweek are available.
**NY/NJ Hiring Range -** The good faith base salary hiring range for this job if performed in NY/NJ is $122,500 - $148,450 per year. This range is commensurate with experience, educational background, and skill level. Benefits are not included in the base salary. Please note hiring ranges for candidates performing work outside of NY/NJ will differ.
**Different People, Shared Values**
Arup is an equal opportunity employer that actively promotes and nurtures a diverse and inclusive workforce. We welcome applications from individuals of all backgrounds, regardless of age (within legal limits), gender identity or expression, marital status, disability, neurotype or mental health, race or ethnicity, faith or belief, sexual orientation, socioeconomic background, and whether you're pregnant or on family leave. We are an open environment that embraces diverse experiences, perspectives, and ideas - this drives our excellence.
Guided by our values and alignment with the UN Sustainable Development Goals, we create and contribute to equitable spaces and systems, while cultivating a sense of belonging for all. Our internal employee networks support our inclusive culture: from race, ethnicity and cross-cultural working to gender equity and LGBTQ+ and disability inclusion - we aim to create a space for you to express yourself and make a positive difference. Discover more about life at Arup at ***************************************
**Our Application Process**
We will be reviewing our candidates for this position on a rolling basis. Once you have applied you will be evaluated and potentially moved on to the next round, at which point a member of the talent resourcing team will reach out to you directly.
Arup is an equal opportunity employer. All qualified applicants will receive consideration without regard to race, colour, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, spouse of a protected veteran, or disability.
Stay safe online. Recruitment fraud is on the rise, and Arup's name, logo, and branding have been used in fraudulent job advertisements. Arup will never ask for bank information as part of our recruitment process.
**\#LI-AR2**
**DC 2025**
EOE-Protected Veterans/Disability
$122.5k-148.5k yearly 2d ago
Senior Identity (Ping) Engineer
Covenant HR
Principal software engineer job in Tysons Corner, VA
Company - Our client is a leading cybersecurity services provider, trusted by some of the most recognized brands in the U.S. They partner closely with Fortune 500 enterprises to deliver cutting-edge identity, cloud, and security solutions. Known for their technical excellence and white-glove client service, they are consistently recognized as one of the top MSSPs in North America.
Job Title - Senior Identity (Ping) Engineer
Location - Tysons, Virginia (Hybrid - onsite 3 days per week)
Role Type - 6-Month Contract (1,040 hours)
Must Have Skills:
7+ years of Identity & Access Management (IAM) engineering and architecture experience
5+ years of hands-on experience with the full Ping Identity suite across enterprise and/or CIAM use cases
Deep expertise with PingFederate, PingID, Ping Directory, and PingOne (Enterprise + Customer)
Proven experience designing and implementing modern passwordless authentication (FIDO2/WebAuthn/Passkeys) at enterprise scale
Expert-level understanding of IAM protocols (SAML, OAuth 2.0, OIDC, SCIM, LDAP) and demonstrated ability to lead large-scale Ping deployments
Responsibilities and Job Details:
Serve as the Ping Identity SME and platform owner across a large financial services enterprise
Architect, design, deploy, and scale Ping Identity solutions for both workforce SSO and CIAM use cases
Perform hands-on configuration across the Ping suite supporting on-prem, private cloud, and SaaS (PingOne) architectures
Design and implement identity workflows using PingOne DaVinci or similar orchestration tools
Lead enterprise-wide rollout of passwordless authentication (FIDO2/WebAuthn/Passkeys)
Provide advanced troubleshooting and root cause analysis across Ping environments
Drive integration with Azure Identity (Entra ID) and other IdP/IdM technologies
Manage multiple concurrent IAM projects, meeting key milestones and delivering required documentation
Communicate effectively with technical and executive stakeholders
Scripting skills in Python, PowerShell, or Groovy are highly desired for automation
Candidate must commit exclusively to this contract for its duration
$86k-116k yearly est. 3d ago
Software Engineer - Graph Technologies
Raft 3.9
Principal software engineer job in Chantilly, VA
This is a U.S. based position. All of the programs we support require U.S. citizenship to be eligible for employment. All work must be conducted within the continental U.S.
Who we are:
Raft () is a customer-obsessed non-traditional small business with a purposeful focus on Distributed Data Systems, Platforms at Scale, and Complex Application Development, with headquarters in McLean, VA. Our range of clients includes innovative federal and public agencies leveraging design thinking, cutting-edge tech stack, and cloud-native ecosystem. We build digital solutions that impact the lives of millions of Americans.
About the role:
As a SoftwareEngineer - Graph Technologies, you will be diving deeper into the software lifecycle, taking on more complex tasks and leading smaller project initiatives. You will not only write code but also be involved in design discussions, code reviews, and mentoring Associate and Standard Engineers, helping to maintain the high standards of our organization.
This role is contingent on contract award.
What we are looking for:
3+ years of hands-on experience as a softwareengineer
Design and develop graph-based applications using Neo4j, Amazon Neptune, or similar graph databases
Implement graph algorithms and analytics for complex data relationship analysis and visualization
Build and maintain scalable microservices and APIs supporting Intelligence Community requirements
Develop semantic data models and ontological frameworks, particularly Common Core Ontology implementations
Collaborate with analysts and stakeholders to translate mission requirements into technical solutions
Optimize graph queries and data structures for performance in high-security environments
Participate in agile development practices including code reviews, testing, and continuous integration
Support deployment and maintenance of applications in classified computing environments
Bachelors degree in Computer Science, Engineering, Physics, Mathematics or a related field
Graph Technology Experience - Hands-on experience with graph databases (Neo4j, Neptune, ArangoDB) and graph processing frameworks
Highly preferred:
Previous work supporting IC missions and familiarity with classified environments
Direct experience with National Reconnaissance Office programs, data systems, or mission requirements
Common Core Ontology (CCO) - Hands-on experience implementing CCO standards and semantic modeling frameworks
Container Technologies - Experience with Kubernetes orchestration and Helm chart development/management
Advanced Graph Skills - Experience with graph visualization tools, complex graph algorithms, or distributed graph processing
Cloud Platforms - Familiarity with AWS/Azure services, particularly graph and analytics offerings
Security+ or Similar - Current DoD 8570 baseline certification or equivalent
Advanced Degree - Master's in Computer Science, Data Science, or related field
Clearance Requirements:
Active Top Secret clearance with ability to obtain and maintain SCI
Preference for those with Polygraph
Work Type:
Onsite in Chantilly, VA
Ability to work from a SCIF at least 3 days a week
May require up to 25% travel
Salary Range:
$150,000 - $200,000
The determination of compensation is predicated upon a candidate's comprehensive experience, demonstrated skill, and proven abilities
What we will offer you:
Highly competitive salary
Fully covered healthcare, dental, and vision coverage
401(k) and company match
Take as you need PTO + 11 paid holidays
Education & training benefits
Generous Referral Bonuses
And More!
Our Vision Statement:
We bridge the gap between humans and data through radical transparency and our obsession withthemission.
Our Customer Obsession:
We will approach every deliverable like it's a product. We will adopt a customer-obsessed mentality. As we grow, and our footprint becomes larger, teams and employees will treat each other not only as teammates but customers. We must live the customer-obsessed mindset, always. This will help us scale and it will translate to the interactions that our Rafters have with their clients and other product teams that they integrate with. Our culture will enable our success and set us apart from other companies.
How do we get there?
Public-sector modernization is critical for us to live in a better world. We, at Raft, want to innovate and solve complex problems. And, if we are successful, our generation and the ones that follow us will live in a delightful, efficient, and accessible world where out-of-box thinking,and collaboration is a norm.
Raft's core philosophy is Ubuntu: IAm, BecauseWe are. We support our
"nadi"
by elevating the other Rafters. We work as a hyper collaborative team where each team member brings a unique perspective, adding value that did not exist before. People make Raft special. We celebrate each other and our cognitive and cultural diversity. We are devoted to our practice of innovation and collaboration.
We're an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.
$70k-89k yearly est. 5d ago
Senior Test Engineer - Active TS/SCI with CI Poly
ENS Solutions, LLC
Principal software engineer job in Washington, DC
Analyze system requirements and concept of operations documents, acquisition plans, and system descriptions to develop evaluation and test plans and procedures, prepare for and conduct the data collection and analysis, and report status and results
Support the development of Government test and evaluation documentation e.g., Test & Evaluation (T&E) Strategy, Test & Evaluation Master Plan, Event Test Plans, Test Readiness Assessments, and T&E Reports.
Work with other test organizations to support T&E program integration
Provide specialized T&E capabilities tailored to system functions, level, maturity, and performance areas
Requirements
Bachelor's degree and 10+ years of relevant experience.
Must have an Active TS/SCI Clearance; willingness to obtain and maintain a CI Poly.
Essential Network Security (ENS) Solutions, LLC is a service-disabled veteran owned, highly regarded IT consulting and management firm. ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of Identity, Credential and Access Management (ICAM), Software Development, Cyber and Network Security, System Engineering, Program/Project Management, IT support, Solutions, and Services that yield enduring results. Our strong technical and management experts have been able to maintain a standard of excellence in their relationships while delivering innovative, scalable and collaborative infrastructure to our clients.
Why ENS?
Free Platinum-Level Medical/Dental/Vision coverage, 100% paid for by ENS
401k Contribution from Day 1
PTO + 11 Paid Federal Holidays
Long & Short Term Disability Insurance
Group Term Life Insurance
Tuition, Certification & Professional Development Assistance
Workers' Compensation
Relocation Assistance
#J-18808-Ljbffr
$77k-101k yearly est. 2d ago
Senior Software Architect & Systems Designer
Medium 4.0
Principal software engineer job in Washington, DC
A consulting firm is seeking a Senior Consultant to plan, design, and develop infrastructure projects. This role involves software solutions development and compliance with governmental regulations. The ideal candidate should have a Bachelor's degree in computer science or a related field, relevant experience, and strong software development skills. Salary ranges from $75,000 to $100,000 annually.
#J-18808-Ljbffr
$75k-100k yearly 4d ago
Counterintelligence Cyber Threat Technical Lead
Mantech 4.5
Principal software engineer job in Springfield, VA
MANTECH seeks a motivated, career and customer-oriented Counterintelligence Cyber Threat Technical Lead to join our team in Springfield, VA.
Responsibilities include but are not limited to:
Generate timely and actionable intelligence reports on technical counterintelligence (CI) and cyber threats . This includes producing 36 weekly status reports, 8 monthly threat reports, and 3 quarterly threat reports, incorporating threat data from Technical CI team, network security personnel, and fused all-source intelligence, including imagery, to inform security decisions.
Contribute to the annual CI Cyber Branch Threat Assessment by providing comprehensive input derived from weekly, monthly, and quarterly reports, Intelligence Information Reports (IIRs), and raw and finished IC intelligence, presenting analytic judgments, identifying intelligence gaps, and outlining overall technical threats.
Produce a minimum of nine high-quality Intelligence Information Reports (IIRs) annually based on data from the Technical CI team, cybersecurity personnel, or partner agencies. This involves coordinating with stakeholders for accuracy, cross-referencing information with IC reporting, clearly conveying threats, responding to IC priority collection requirements, and ensuring timeliness.
Conduct inquiries into anomalous activity utilizing automated investigative tools such as M3, Palantir, TAC, ARCSIGHT, RSA Security Analytics, CCD, QLIX, TIDE, or Criss Cross.
Provide expert Technical CI advice and support for inquiries, operations, and issues, acting as a liaison between the CI Office, Insider Threat, Cyber Security Operations Center (CSOC), and IC/DoD partners to ensure effective execution of the CI Cyber Mission.
Minimum Qualifications:
7+ years Threat Analysis experience, of which at least 5+ of those years include Technical Threat Analysis experience or cyber investigations.
Possess or obtain certification to comply with DoD 8570.01-M Information Assurance (IA) requirements within one calendar year of assignment. Shall possess or obtain and maintain IA II certification.
Desired Qualifications:
Credentialed graduate of an accredited federal or DoD CI training academy.
Bachelor's degree in a Science, Technology, Engineering or Mathematics discipline.
Possess post-graduate degree in Science, Technology, Engineering, or Mathematics disciplines.
Possess knowledge and understanding of foreign adversaries' security and intelligence services, terrorist organizations, and threats posed to US Gov.
Clearance Requirements:
Must have a TS/SCI with the ability to pass a Poly
Physical Requirements:
The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.
$88k-120k yearly est. 2d ago
Senior Substation Physical Engineer
Unavailable
Principal software engineer job in Washington, DC
Kimley-Horn's DC office is seeking a Substation Physical Engineer with 10+ years of experience to join their Power Delivery team! This is not a remote position.
Responsibilities
Perform conceptual and detailed HV and MV Substation Physical/Electrical design for utilities/substations (including basic layout, electrical arrangement, one line, three-line drawings, plan-section, grounding, AC and DC system drawings)
Perform engineering studies and calculations
Perform Quality Control reviews on substation physical design projects
Assume the role of technical lead on projects with limited guidance
Create and review bill of materials for substation physical projects
Develop and review proposals, and scopes of work for smaller substation physical projects
Plan and lead client meetings (or meeting sections) relating to physical design, as required
Provide support for continued professional development of less experienced engineers in team, including technical guidance, and recommending training needs to the group
Possess excellent communication skills and the ability to interact with the internal teams and clients to meet project objectives
Develop leadership skills in preparation for future roles on the team
Qualifications
10+ years of relevant engineering experience in Substation Physical Design
Professional Engineering (P.E.) License (or ability to obtain within 12 months)
Enjoys working in a fast-paced environment on multiple projects
Proficiency in using industry-standard design software such as AutoCAD
Experience with grounding studies/lightning protection and lighting studies
Experience with bus calculation
Experience with CDEGS
Base Salary Range:
$135,000- $150,000
Eligible for performance-based bonus compensation
#J-18808-Ljbffr
How much does a principal software engineer earn in Leesburg, VA?
The average principal software engineer in Leesburg, VA earns between $90,000 and $157,000 annually. This compares to the national average principal software engineer range of $98,000 to $182,000.
Average principal software engineer salary in Leesburg, VA
$119,000
What are the biggest employers of Principal Software Engineers in Leesburg, VA?
The biggest employers of Principal Software Engineers in Leesburg, VA are: