Site Reliability Engineer (SRE) Knack SolutionsSite Reliability Engineer (SRE)Reston, VirginiaHands-On experience creating, configuring and maintaining cloud-based applications and infrastructure for the rapid development and monitoring of applications and services: AWS, EC2, Fargate, CloudFormation, RDS, ElasticCache, S3. The SRE role bridges the Development Engineer role and the Production Engineer role with a mixture of development, test, deploy, and support skills that contribute to application reliability and resiliency.
Automated Test Engineer CymertekAutomated Test EngineerReston, VirginiaTest Automation Engineer, Quality Assurance Engineer, Automation Tester, Software Test Engineer, QA Automation Specialist, SDET (Software Development Engineer in Test), Automation Test Analyst, Performance Test Engineer, Continuous Integration Engineer, DevOps Tester, etc. Automated Test Engineer, Software Test Engineer, QA Automation Engineer, Test Automation Specialist, Quality Assurance Engineer, Automation Developer, Test Analyst, Automation QA Analyst, Software Development Engineer in Test (SDET), Test Automation Engineer, etc.
Software Engineer Ts/Sci Poly Leidos Holdings Inc.Software Engineer Ts/Sci PolyAlexandria, VA$87,100–$157,450 / yearShe/he will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.
Mid or Senior Software Engineer Belay TechnologiesMid or Senior Software EngineerAnnapolis Junction, MD$70,000–$190,000 / yearDevelopers will have the opportunity to focus on developing customer domain specific language code and there are a range of opportunities for Java, embedded C++, scripting languages, object-oriented modeling tools, low-level programming, serialization/deserialization, and dependency injection. Salary Range: Mid-Level: $70,000 to $190,000Senior Level: $190,000 to $240,000 Belay Technologies is a certified Service-Disabled Veteran-Owned Small Business located in Columbia, Maryland (Baltimore/Washington area).
CNO Software Engineer Level 2 AdapticCNO Software Engineer Level 2Annapolis Junction, MDSupporting the DoD and Intelligence Community, you'll work alongside Red, Blue, and Hunt teams to develop, enhance, and sustain tools used to detect, analyze, and defend against evolving threats. This role is ideal for experienced engineers who are ready to lead development efforts, influence system design, and drive technical solutions that directly impact mission success.
NewLead Engineer, AI & Process Automation The Carlyle Group Employee Co.Lead Engineer, AI & Process AutomationWashington, District of ColumbiaIn the first 12 months, you will have shipped multiple production AI products embedded in real Corporate Services workflows, established the engineering patterns and reusable building blocks that accelerate every subsequent build, helped grow and develop a team of AI-forward engineers, and earned recognition as a trusted technical partner at the enterprise level. You will embed directly with Carlyle’s Corporate Services functions Finance, Tax, Human Capital, Legal & Compliance, Marketing & Communications, and the other enterprise teams that run the firm to identify the highest leverage AI opportunities and ship them into production, translating ambiguous business problems into working software in weeks, not quarters.
Cloud Systems Administrator PeratonCloud Systems AdministratorAnnapolis Junction, Maryland$135,000–$216,000 / 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. In this role, you’ll help sustain and optimize a cloud-based enterprise platform built with Java and Free and Open-Source Software technologies including Kubernetes, Hadoop, and Accumulo—enabling execution of data-intensive analytics on managed infrastructure.
Devsecops Engineer Metron, Inc.Devsecops EngineerReston, VAIntegrate security and quality checks into build and release workflows, including SAST, SCA, dependency scanning, secrets scanning, code-quality gates, container scanning, and artifact validation. This role focuses on embedding security, quality, compliance, and software supply-chain controls into CI/CD workflows while partnering with software development, cybersecurity, platform engineering, systems engineering, and program teams.
Software Engineer Vets HiredSoftware EngineerReston, VirginiaThis role focuses on application modernization, DevOps integration, legacy system refactoring, and secure cloud-based development to ensure mission-critical systems remain secure, scalable, and highly available. We are seeking a Software Engineer to support Defense Intelligence customers in maintaining, modernizing, and sustaining Zero Trust environments within secure cloud architectures.
Cloud Developer 544 Freedom Technology Solutions GroupCloud Developer 544Chantilly, VirginiaDatabase design, development of database tables, views, queries, and management, including complex relational databases, SQL databases in RDS, (e.g., PostgreSQL) and NoSQL databases (e.g., DynamoDB, MongoDB). Work closely with the Sponsor, Product Owner, and Project Manager to ensure that the Web-based development infrastructure, builds, and database meets the Sponsor’s cybersecurity, performance, data integrity, and functional requirements.
Software Engineer III Reflexive ConceptsSoftware Engineer IIIAnnapolis Junction, MarylandBachelor's degree in Computer Science or related discipline from an accredited college or university, plus 7 years of experience as a Software Engineer, in programs and contracts of similar scope, type, and complexity OR. Master's degree in Computer Science or related discipline from an accredited college or university, plus 5 years of experience as a Software Engineer, in programs and contracts of similar scope, type, and complexity OR.
Software Engineer TS/SCI Poly LeidosSoftware Engineer TS/SCI PolyAnnapolis Junction, MarylandShe/he will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.
Software Engineer TS/SCI Polygraph LeidosSoftware Engineer TS/SCI PolygraphAnnapolis Junction, MarylandShe/he will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. Must have experience or familiarity with multiple Java frameworks: Spring to include Boot and Data, Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX.
Mid-Level Test Engineer LeidosMid-Level Test EngineerGaithersburg, MarylandThis is an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial intelligence capabilities that enable critical national security missions. July 21, 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 Engineer 2 - Team Lead (Cloud/Dev Ops) Navius TechnologiesSoftware Engineer 2 - Team Lead (Cloud/Dev Ops)Annapolis Junction, MarylandContribute to system-level design, including hardware/software tradeoffs, software reuse strategies, and effective use of COTS/GOTS components versus new development. Bachelor's degree in Computer Engineering, Computer Science, Electrical Engineering, Math, or Physics is required, or an equivalent combination of education, training, and experience.
US Military Skillbridge Internship (Software Engineer)_Arlington, VA Black CapeUS Military Skillbridge Internship (Software Engineer)_Arlington, VAArlington, VARemoteWe know this is a Skillbridge internship program that bridges the gap from your military training to practical application in the civilian technical world, but we have found that candidates with three to six months (or more) of technical experience usually thrive best in our program. This company model combines lessons learned from developing and deploying multiple applications to production on JWICS and Amazon Web Services (AWS) with commercial best practices in DevOps and Agile development.
NewFull Stack Software Engineer Black CapeFull Stack Software EngineerArlington, VAWe support many programs and agencies as both a prime and a subcontractor and created a strong reputation working with top tier partners doing work for all major Intelligence Community agencies, DoW, and Special Operations customers. Black Cape’s approach to solution development combines lessons learned from developing and deploying applications to customer cloud environments with industry best practices in Agile development and DevOps.
NewSoftware System Engineer AerovironmentSoftware System EngineerAnnapolis Junction, MD$102,000–$255,000 / year10+ years of relevant experience with a Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Systems Engineering, or related technical field (an equivalent combination of education and experience may be considered). Determination of official compensation or salary relies on several factors including, but not limited to, level of position, job responsibilities, geographic location, scope of relevant work experience, educational background, certifications, contract-specific affordability, organizational requirements, alignment with local internal equity as well as alignment with market data.
NewSr. Release Train Engineer TS/SCI Polygraph LeidosSr. Release Train Engineer TS/SCI PolygraphAnnapolis Junction, MarylandThis role requires close partnership with teams to assess Feature progress, identify risks to delivery, understand the factors affecting planned work, and help remove or mitigate obstacles that may impact successful completion. Bachelor’s degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related discipline from an accredited college or university, and at least 12 years of relevant experience.
Senior Full Stack Engineer MindlanceSenior Full Stack EngineerReston, VARemoteCandidate will also develop and optimize complex SQL queries to support large-scale educational data analysis and take responsibility for creating design specifications, unit testing, and preparing technical documentation. The candidate will also possess technical skills and experience in the data management domain that will help their ability to design and develop elegant and efficient data processes and systems.