Engineer, Software Senior IconmaEngineer, Software SeniorReston, VA$76.06–$81.06 / hourResponsibilities: Performs complex analysis, design, development, testing, and debugging of computer software ranging from operating system architecture integration and software design to selection of computer systems, language, and/or equipment. Performs software testing including developing and running automated unit tests, drafting, and executing structured automated test cases.
Software Developer Electrosoft Services, IncSoftware DeveloperArlington, VARelevant certifications such as Microsoft Certified: Azure Developer Associate, AWS Developer Associate, Security+, Certified Scrum Developer (CSD), or equivalent. Design, develop, test, implement, and maintain software applications and digital solutions supporting Transformation Strategy, Enablement, and Service Experience initiatives.
Expert Software Systems Developer MarkonExpert Software Systems DeveloperHerndon, Virginia$180,000–$210,000 / yearFull timeDescription: Markon is seeking an experienced Expert Software Systems Developer with experience supporting multiple software integrations/development projects in support of an IC Customer in Herndon, VA. The ideal candidate will bring advanced technical knowledge, strong troubleshooting capabilities, and the ability to communicate effectively with both technical teams and senior government stakeholders.
NewExpert Software Systems Developer Markon SolutionsExpert Software Systems DeveloperHerndon, VA$180,000–$210,000 / yearMarkon is seeking an experienced Expert Software Systems Developer with experience supporting multiple software integrations/development projects in support of an IC Customer in Herndon, VA. The ideal candidate will bring advanced technical knowledge, strong troubleshooting capabilities, and the ability to communicate effectively with both technical teams and senior government stakeholders.
Software Systems Engineer Systems Planning and AnalysisSoftware Systems EngineerChantilly, Virginia$150,000–$195,000 / yearFull timeSPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. SPA provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide both paid and unpaid time away from work.
Senior Software Engineer - TS.SCI w/ favorable poly REQUIRED BK ConsultingSenior Software Engineer - TS.SCI w/ favorable poly REQUIREDHerndon, VAThe ideal candidate is a hands-on developer with significant experience in developing scalable data platforms, with experience in business intelligence, analytics, data science, and data products. Bachelor’s Degree in Computer Science, Electrical or Computer Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.
Tableau Developer NorthHill TechnologyTableau DeveloperReston, VirginiaProvide support, analysis, research, and advice into exceptionally complex problems and processes relating to financial and acquisition systems including: Timely on-site customer support for users. Experience or knowledge in one or more of the following programming languages and technologies is a plus: PHP, IBM DataStage ETL, SharePoint, or Business Objects.
Software Engineer (Remote) Business System SolutionsSoftware Engineer (Remote)Leesburg, VARemoteWe bring cross-industry expertise in areas including defense, healthcare, finance, and IT sectors—delivering solutions in cybersecurity, data analytics, enterprise reporting, database management, and software development. Business System Solutions is a certified Service-Disabled Veteran-Owned Small Business (SDVOSB) and is a trusted provider of comprehensive IT services and solutions for both government, commercial and small business clients.
Senior Software Developer Vets HiredSenior Software DeveloperArlington, VirginiaPerform functions associated with the analysis of information--refining analytics and countermeasure selection, reviewing output, and making upgrades/improvements to the performance of the analytics and countermeasures. Create automated analytic capability sets (e.g., signature, behavioral, heuristic, anomalous, unsupervised-learning, predictive, and emerging).
NewManager, Software Engineering CoStar Group IncManager, Software EngineeringRichmond, VA$182,000–$235,000 / yearCoStar is investing heavily in artificial intelligence to accelerate software delivery, improve platform observability, automate research and business workflows, enhance product experiences through intelligent agents and skills, and improve data quality across enterprise systems. As a Technical Manager in Software Engineering, you will be responsible for providing project definition and implementation through hands-on management of software development teams leveraging Agile Scrum development and project management best practices defined by the company.
Software Integration Engineer LeidosSoftware Integration EngineerChantilly, VirginiaPerform Authentication (AuthN), Authorization (AuthZ), Digital Policy Management (DPM), Entitlement Management (EM), and Authoritative Attributes (AuthA)Leverage project management skills to manage a client’s integration with our services. August 20, 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.
Software Developer / Senior Software Developer Kinsale ManagementSoftware Developer / Senior Software DeveloperRichmond, VirginiaYou'll leverage generative AI tools (e.g., GitHub Copilot, ChatGPT, Claude Code) in day-to-day development to accelerate coding, automate repetitive tasks, and improve code quality and productivity — and, depending on experience, help shape the vision and roadmap for your team's software solutions. Familiarity with technologies such as Java (Spring, Spring Boot, JPA, Docker, REST, SOAP, Hibernate), AWS SQS, AWS EKS, Python, Angular, Node.js, SQL, JSON, Kong, Confluent Kafka, and cloud technologies (preferably AWS) is a plus.
Software Engineer, Agentic Modeling & Simulation (Systems Engineer, Sr) Redwire SpaceSoftware Engineer, Agentic Modeling & Simulation (Systems Engineer, Sr)Chantilly, Virginia$93,000–$150,000 / yearYou will work across simulation, data, and systems engineering teams to deliver intelligent, reliable, and mission‑aligned agentic capabilities supporting aerospace, defense, and other high‑integrity environments. To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR) you must be a U.S. citizen, lawful permanent resident of the U.S., protected individual as defined by 8 U.S.C. 1324b(a)(3), or eligible to obtain the required authorizations from the U.S. Department of State.
Mission Systems Software Test Engineer II Blue OriginMission Systems Software Test Engineer IIReston, Virginiaand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Required for Certain Job Profiles: Drivers who operate Commercial Motor Vehicles with a Gross Vehicle Weight (GVW), Gross Vehicle Weight Rating (GVWR) or combination of power unit and trailer that meets or exceeds 10,001 lbs.
Senior Software/System Test Engineer (Remote) TestProsSenior Software/System Test Engineer (Remote)Sterling, VARemote$40–$70 / hourKey Responsibilities:Develop and execute test plans and evaluate software for compliance with the nine quality characteristics in ISO/IEC 25010:2023, create defect and remediation records, capture test evidence and document defects with clear reproduction steps and severity ratings, report results to senior management and stakeholders. TestPros is seeking a Senior Software/System Test Engineer with an analytical, customer-focused mindset and experience implementing the ISO/IEC 25010:2023 Systems and software engineering — Systems and software Quality Requirements and Evaluation (SQuaRE) software-quality assessment methodology into a testing program.
Data and Software Infrastructure Architecture Engineer JANUS Research GroupData and Software Infrastructure Architecture EngineerFort Belvoir, VA$120,000–$160,000 / yearThe Army's Program Manager Integrated Enterprise Network (PM IEN) at Fort Belvoir, VA, a Data and Software Infrastructure Architecture Engineer typically supports the modernization of global IT infrastructure through advanced data systems, cloud, and enterprise network design. Please advise us of any accommodations you request to express interest in a position by e-mailing: Judy Pagac, Chief Human Resources Officer at judy.pagac@janusresearch.us or calling (706) 364-9100.
Cloud/Devops Engineer (Ts/Sci Clearance Required) NorthHill TechnologyCloud/Devops Engineer (Ts/Sci Clearance Required)Chantilly, VirginiaWorking closely with software developers, system engineers, and Government stakeholders, the Cloud & DevOps Engineer will develop cloud-native infrastructure, automate application deployment, manage containerized services, and integrate security, monitoring, and performance optimization throughout the software development lifecycle. The successful candidate will be part of a team to support the design, development, integration, testing, deployment, and sustainment of the enterprise IV&V platform while collaborating with Government stakeholders to evaluate existing GEOINT IV&V capabilities, implement automated verification processes, and deliver secure, scalable software solutions.
Information Technology - Engineer, Software Sr Ampcus IncorporatedInformation Technology - Engineer, Software SrReston, VAPerforms complex analysis, design, development, testing, and debugging of computer software ranging from operating system architecture integration and software design to selection of computer systems, language, and/or equipment. Performs software testing including developing and running automated unit tests, drafting, and executing structured automated test cases.
Software Q.A. Spec./App Tester (Senior) RCT SystemsSoftware Q.A. Spec./App Tester (Senior)Herndon, VirginiaRCT Systems is seeking a Senior Software QA/Application Tester to support multiple software applications ranging from legacy systems to emerging technologies. The role focuses primarily on developing automated tests while also performing manual testing when needed.
Software Tester Ariel PartnersSoftware TesterStafford, VirginiaWe are looking for team members who share our values of: Integrity to do the right thing even when it hurts; Commitment to the long-term success and happiness of our customers, our people, and our partners; Courage to take on difficult challenges, accept new ideas, and accept incremental failure; and the constant pursuit of Excellence. They are expected to work collaboratively, with minimal supervision, on teams including DevOps Engineers and Developers to ensure our application meets users’ needs, as well as business requirements and scalability characteristics.