Senior Software Engineer Top Secret/SCI w/Poly Peraton IncSenior Software Engineer Top Secret/SCI w/PolyLaurel, MD$176,000–$282,000 / yearPeraton offers enhanced benefits to employees working on our critical National Security programs, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan. Bachelor's degree in Computer Science or related discipline from an accredited college or university is required (Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor's degree).
Mid-Level Software Engineer GliaCell TechnologiesMid-Level Software EngineerColumbia, MDFull timeWe also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. GliaCell’s Enterprise capabilities include Full-Stack Application Development, Big Data, Cloud Technologies, Analytics, Machine Learning, AI, and DevOps Containerization.
Software Developer TS/SCI CI Poly 5303 Chantilly, VA; Herndon, VA; Aurora, CO SMXSoftware Developer TS/SCI CI Poly 5303 Chantilly, VA; Herndon, VA; Aurora, COHerndon, VA$110,800–$184,700 / yearThe SMX salary determination process takes into account a number of factors, including but not limited to, geographic location, Federal Government contract labor categories, relevant prior work experience, specific skills, education and certifications. Our delivery model and unique approaches harness our deep technical and domain knowledge, providing forward-looking insights and practical solutions to power secure mission acceleration.
Data Scientist - AI/ML (Senior Software Developer; Systems Software) Avid Technology ProfessionalsData Scientist - AI/ML (Senior Software Developer; Systems Software)Columbia, MarylandExposure to AWS (Amazon Web Services), Cisco (CCNA), and/or STIGs/IAVA, Big Data Platform (BDP). Bachelor's degree in relevant field and 8 years of experience; an advanced degree will be considered in lieu of years of experience.
NewLead Full Stack Developer SGA Inc.Lead Full Stack DeveloperRockville, MD$87–$92 / hourAI-accelerated engineering Use AI-assisted development tools (examples: Kiro, Claude, Copilot) as your default working mode — code generation, refactoring, debugging, test authoring, schema and layout drafting, seed data, and documentation — while owning the output as your own work and holding the line on test coverage and security discipline. Design agent workflows that are reliable, debuggable, and produce deterministic, testable outcomes, using agent frameworks and protocols (tool use, MCP, multi-step reasoning).
Cleared DevOps Lead Engineer Hybrid Cisco Systems IncCleared DevOps Lead Engineer HybridHerndon, VA$146,700–$214,800 / yearThe Cisco Workspace for Government Team is in search of an exceptional Lead DevOps Engineer with a real passion for building tools, implementing CI/CD, improving processes, and developing great teams and taking on and solving important problems for both Cisco and our customers. Self-starter with a willingness to ask forgiveness, not permission, who has a proven track record of collaborating in agile teams, participating in code reviews, leading technical discussions, and interfacing directly with clients to deliver high-quality features on schedule.
Software Developer (Journeyman Software Developer; Systems Software) Avid Technology Professionals LLCSoftware Developer (Journeyman Software Developer; Systems Software)Columbia, MDBachelor's degree from an accredited college or university in a related discipline and 3+ years of experience. Experience supporting USCYBERCOM, NSA, DoD cyber operations, or related mission environments.
Software Engineer Verite Group, Inc.Software EngineerLaurel, MDA bachelor's degree in computer science or related discipline; an Associate's degree in computer science or related discipline and 2 years or programming experience or a High School diploma and 5 years of programming experience may be substituted for a bachelor's degree. The Engineer will also develop an evolving suite of operational prototypes driven by state-of-the-art data science techniques for behavioral, geo-temporal, social, and content analysis against full-scale collection in robust, flexible, and multi-tenant cloud environments.
Lead Software Developer Leidos Holdings IncLead Software DeveloperGaithersburg, MD$87,100–$157,450 / yearFor 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. You will join a dynamic engineering team responsible for building and sustaining real-time, high-availability, safety-critical systems that directly support national airspace operations.
RUST Software Developer - Multiple Levels (Minimum $10K Sign-on Bonus) L3Harris Technologies IncRUST Software Developer - Multiple Levels (Minimum $10K Sign-on Bonus)Herndon, VAResponsibilities include guiding adoption of Rust throughout the embedded development, managing integration or conversion of legacy software to Rust, providing best practices and architectural guidance for memory-safe usage of Rust, developing best practices and implementation guidance, and the translation of requirements into working and maintainable solutions for our C5 and Cyber Solution Centers. About L3Harris Technologies: L3Harris Technologies is an agile global aerospace and defense technology innovator, delivering end-to-end solutions that meet customers' mission-critical needs.
Full Stack Engineer / Software Developer (CBP) Agile DefenseFull Stack Engineer / Software Developer (CBP)Ashburn, VirginiaAgile's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Learning and Development opportunities as well as other optional benefit elections. U.S. Customs and Border Protection runs continuous operations across more than 300 land, air, and sea ports of entry, plus Border Patrol stations and the Air and Marine Operations Center.
Associate Data Center Facilities Technician, Electrical Google LLCAssociate Data Center Facilities Technician, ElectricalSterling, VAFrom software to hardware our teams are shaping the future of world-leading hyperscale computing, with key teams working on the development of our TPUs, Vertex AI for Google Cloud, Google Global Networking, Data Center operations, systems research, and much more. We"re the driving force behind Google"s groundbreaking innovations, empowering the development of our cutting-edge AI models, delivering unparalleled computing power to global services, and providing the essential platforms that enable developers to build the future.
Test And Integration Engineer CACI International Inc.Test And Integration EngineerSterling, VA$63,300–$129,700 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Qualifications: Required: U.S. Citizen with an active TS/SCI clearance preferably with a polygraph OR the ability to obtain and maintain a Top Secret SCI clearance (candidates with active clearances prioritized).
Test and Integration Engineer CACI International IncTest and Integration EngineerSterling, VA$63,300–$129,700 / yearPay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Qualifications: Required: U.S. Citizen with an active TS/SCI clearance preferably with a polygraph OR the ability to obtain and maintain a Top Secret SCI clearance (candidates with active clearances prioritized).
NewSoftware Developer Co-op Leidos Holdings IncSoftware Developer Co-opBethesda, MD$48,100–$86,950 / yearAs the prime contractor for the High Fidelity Simulation (HFS) Portfolio, we are committed to advancing the Navy's mission through the development and sustainment of next-generation training systems like CIAT - Combined Integrated Air and Missile Defense (IAMD) and Anti-Submarine Warfare (ASW) Trainer - YouTube. 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.
Senior Software Engineer Top Secret/SCI w/Poly PeratonSenior Software Engineer Top Secret/SCI w/PolyLaurel, Maryland$176,000–$282,000 / yearFull timePeraton offers enhanced benefits to employees working on our critical National Security programs, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan. Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required ( Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree).
Senior Software Developer GuidehouseSenior Software DeveloperRockville, MarylandResponsibilities include designing and implementing APIs, data processing pipelines, and computational services, developing reusable React components, integrating with APIs, ensuring performance and usability at scale, contributing to system architecture, writing well-tested, maintainable code, and mentoring other developers. The Senior Software Developer will collaborate closely with PhD-level scientists and subject matter experts to translate complex scientific workflows into reliable, scalable services and to design user interfaces that make complex scientific data and workflows accessible and actionable.
Front End Software Developer CACIFront End Software DeveloperSterling, VirginiaPay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. As a developer on this exciting and dynamic program; you will bring your software development experience and perspective to work within a multi disciplined agile team in designing, developing, and maintaining next generation mission management applications.
Software Engineer Kubernetes NorthstratSoftware Engineer KubernetesColumbia, MDThere are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. To attract and retain the highest quality staff, Northstrat provides a unique and versatile benefits package, the Individual Benefit Account (IBA), which places the power of choice in the hands of our greatest asset – the employee.
Embedded Software Engineer Qrypt IncEmbedded Software EngineerGermantown, MD$125,000–$155,000 / yearWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. Develop a deep understanding of the domain (quantum random number generators, network security systems) to architect future products and systems and validate existing products and systems.