Software Engineer 3 - Linux/Bash/Python/Java/IaC/Docker/CI/CD Captivation SoftwareSoftware Engineer 3 - Linux/Bash/Python/Java/IaC/Docker/CI/CDAnnapolis JunctionMinimum Qualifications: Master's degree in Computer Science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. Bachelor's degree in Computer Science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
Cyber Software Engineer, TS/SCI w/ Poly PeratonCyber Software Engineer, TS/SCI w/ PolyAnnapolis Junction, 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. Your work will directly support high-stakes missions through: Developing and maintaining complex, scalable software systems for advanced data processing, real-time analytics, and intelligence operations.
Senior Software Engineer (C++ / Java) JobotSenior Software Engineer (C++ / Java)MONTGOMRY VLG, MD$165,000–$185,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. This role is ideal for a seasoned engineer who enjoys solving complex technical challenges, contributing to system architecture, and partnering closely with Systems Engineering, Development, and Test teams to deliver robust, scalable solutions.
Software Engineer 2 (Hybrid) - Linux/Bash/Apache Airflow/Apache Spark/Docker/Podman/Git/AWS Captivation SoftwareSoftware Engineer 2 (Hybrid) - Linux/Bash/Apache Airflow/Apache Spark/Docker/Podman/Git/AWSAnnapolis Junction, Maryland$130,000–$270,000 / yearMinimum Qualifications: Master's degree in Computer Science or related discipline from an accredited college or university, plus three (3) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. Bachelor's degree in Computer Science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.
Software Engineer (Hybrid) - Java/OOP/Linux/Git/Maven/REST Captivation SoftwareSoftware Engineer (Hybrid) - Java/OOP/Linux/Git/Maven/RESTColumbia, MD$130,000–$270,000 / yearSpring, Guava) and a Bachelors in related field; 3 years relevant experience with Masters in related field; or High School Diploma or equivalent and 9 years relevant experience. We believe in providing our employees with a great work-life balance, so you will have the flexibility to be working from home or from our office, depending on your preferences and needs.
Principal AI-Enabled Software Engineer (Top Secret) Praescient Analytics LLCPrincipal AI-Enabled Software Engineer (Top Secret)Fairfax, VARemotePraescient Analytics is a Certified Woman-Owned Small Business (WOSB) with over a decade of expertise in advanced analytics, engineering, and DevOps, specializing in transforming complex data into actionable intelligence for informed decision-making. You will bring practical experience in AWS cloud environments, AI-assisted coding, AI-assisted testing, API-first design, and modern software engineering practices to help accelerate delivery and improve engineering maturity.
Software Engineer 3 (AI Assisted Developer Tooling) Bigbear.aiSoftware Engineer 3 (AI Assisted Developer Tooling)Columbia, MarylandFull timeThis role emphasizes AI-assisted IDE capabilities, automated code quality workflows, and experimentation with agentic and autonomous systems to support software development tasks. Overview: BigBear.ai is seeking a Software Engineer 3 to focus on improving the productivity and experience of software developers by building and integrating advanced development tooling.
Software Engineer 2 - Java/MapReduce/Cloud/GhostMachine/QTA Captivation SoftwareSoftware Engineer 2 - Java/MapReduce/Cloud/GhostMachine/QTAAnnapolis Junction, MD$130,000–$270,000 / yearCaptivation Software is looking for a mid level software engineer with strong Java experience as well as experience with MapReduce, Cloud experience, GhostMachine and QTA. Security Clearance: Must currently hold a Top Secret/SCI U.S. Government security clearance with a favorable Polygraph, therefore all candidates must be a U.S. citizen.
Software Engineer 2 (Hyrid) - AWS Captivation SoftwareSoftware Engineer 2 (Hyrid) - AWSAnnapolis JunctionSecurity Clearance: Must currently hold a Top Secret/SCI U.S. Government security clearance with a favorable Polygraph, therefore all candidates must be a U.S. citizen. Captivation Software is looking for a mid level software engineer with experience developing in AWS with managed services.
Software Engineer Noblis IncSoftware EngineerReston, VA$120,700–$188,725 / yearNoblis is seeking a highly experienced Software Engineer with an active security clearance (TS/SCI with a polygraph) to support a mission-critical contract delivering a broad range of AI/ML-driven capabilities, advanced tools, and data engineering services. The ideal candidate brings expertise in software design patterns, version control systems, agile methodologies, and software quality assurance, enabling them to develop and deliver secure, high-quality software solutions that address user needs and advance mission objectives.
Full Stack Software Engineer Sparks GroupFull Stack Software EngineerHerndon, VAThis role will develop modern, containerized applications using Java/Spring Boot, C++, JavaScript frameworks, and SQL in a highly collaborative Agile environment. Responsibilities : Develop front-end applications and backend services using Java/Spring Boot, C++, JavaScript, Vue or React, and SQL.
Software Engineer - Frontend Noblis IncSoftware Engineer - FrontendReston, VA$90,700–$141,775 / yearExperience designing and implementing UI components that interact with backend services, including AWS services (e.g., LambdaExperience using modern software engineering tools and methodologies like Atlassian Products (Jira, Confluence). Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract-specific affordability, organizational requirements and applicable employment laws.
AI Software Engineer Precision SolutionsAI Software EngineerFt. Meade, MarylandAgentic Coding Harness Testing Framework — Build and maintain the framework that executes repeatable tests against agentic coding harnesses, consuming the datasets and scenarios produced by Fuzzy blocks and running them alongside the Data Scientists' InspectAI benchmarks to measure agent performance and reliability. They work closely with Researchers and Data Scientists to convert prototypes, notebooks, and evaluation workflows into reliable, maintainable, and well-tested software, and they support operation of that software across both HS and LS environments.
Enterprise - Senior RF Software Engineer - DSP, Linux, Python Erias VenturesEnterprise - Senior RF Software Engineer - DSP, Linux, PythonAnnapolis Junction, MarylandWe are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers. Experience Bachelor of Science in Engineering, Computer Science or related discipline in DSP algorithms from an accredited college or university is required.
Senior Software Engineer LeidosSenior Software EngineerArlington, VirginiaJuly 31, 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. The candidate will help to lead projects of significant national importance, guiding the transformation of existing vessels into autonomous platforms and supporting the development of new ships from concept through deployment.
Software Engineer 2 - Back-End (Hadoop & Microservices) Navius TechnologiesSoftware Engineer 2 - Back-End (Hadoop & Microservices)Annapolis Junction, MarylandIf taking ideas from concept to working prototype in fast, iterative cycles excites you, and you enjoy solving complex problems in distributed systems, this role will give you the opportunity to have outsized impact on how our organization operates. You will work as a hands-on engineer on a close-knit team, designing and building scalable back-end services and data-intensive systems that support mission-critical applications.
Staff Software Engineer - UI/UX Dragos IncStaff Software Engineer - UI/UXDCRemoteAt Dragos, we build software that gives defenders the visibility and capabilities they need to detect, investigate, and respond to cyber threats before they disrupt the systems people depend on every day. You''ll solve meaningful problems, simplify complex data, and create intuitive workflows that enable users to detect, investigate, and act on cyber threats.
Senior Software Engineer - UI/UX Dragos IncSenior Software Engineer - UI/UXDCRemoteAt Dragos, we build software that gives defenders the visibility and capabilities they need to detect, investigate, and respond to cyber threats before they disrupt the systems people depend on every day. You''ll solve meaningful problems, simplify complex data, and create intuitive workflows that enable users to detect, investigate, and act on cyber threats.
Principal Software Engineer LeidosPrincipal Software EngineerArlington, VirginiaJuly 31, 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. The candidate will help to lead projects of significant national importance, guiding the transformation of existing vessels into autonomous platforms and supporting the development of new ships from concept through deployment.
Lead Software Engineer LeidosLead Software EngineerArlington, VirginiaJuly 31, 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. The candidate will help to lead projects of significant national importance, guiding the transformation of existing vessels into autonomous platforms and supporting the development of new ships from concept through deployment.
ME00523-Software Engineer 3 Momentum Engineering OpeningsME00523-Software Engineer 3Annapolis JunctionThe Software Engineer will work with a massively parallel enterprise platform, built with Java on Free and Open-Source Software products including Kubernetes, Hadoop and Accumulo, to enable execution of data-intensive analytics on a managed infrastructure. The ideal candidate should be skilled in Java, database technologies (MariaDB, MySQL Postgres etc.) and have some experience with Map Reduce programming model and technologies (such as Hadoop, Hive, Pig, etc.).
Enterprise - Senior Software Engineer - React, Python, CI/CD Erias VenturesEnterprise - Senior Software Engineer - React, Python, CI/CDAnnapolis Junction, MarylandThe ideal candidate has front end experience, translates UX/UI designs into accessible, production-ready interfaces, and mentors junior developers while collaborating closely with system engineers and product stakeholders to resolve technical problem areas. We are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers.
ME00612-Cloud Software Engineer 3 Momentum Engineering OpeningsME00612-Cloud Software Engineer 3Annapolis JunctionThe successful candidate will perform all phases of the software development lifecycle, including requirements analysis, software design, development, installation, integration, evaluation, enhancement, maintenance, testing, and troubleshooting. This role requires the ability to work independently while providing technical guidance to junior engineers and developing cloud solutions that balance performance, scalability, resilience, security, and cost.
Systems Software Engineer (Ts/Sci Clearance Required) NorthHill TechnologySystems Software Engineer (Ts/Sci Clearance Required)Chantilly, VirginiaRequired Qualifications Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, Systems Engineering, or a related technical discipline and 9 years of relevant experience, or a Master's degree in a related field and 7 years of relevant experience. Working closely with Government engineers, researchers, and mission stakeholders, contractor personnel will support the full engineering lifecycle from requirements analysis and system design through software development, testing, deployment, and operational transition.
Software Developer/Engineer Accenture Federal ServicesSoftware Developer/EngineerWashington, DCThe pay range for the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland is: $78,600—$160,200 USD What We Believe As a company wholly dedicated to serving the US federal government, we bring together the best talent to help reinvent how federal agencies operate and deliver greater value for their mission and the American people. As required by local law, Accenture Federal Services provides reasonable ranges of compensation for hired roles based on labor costs in the states of California, Colorado, Hawaii, Illinois, Maine, Maryland, Massachusetts, Minnesota, New Jersey, New York, Vermont, Virginia, Washington, and the District of Columbia, and the city of Cleveland .
Software Engineer - TS/SCI Required - R135 Expedition TechnologySoftware Engineer - TS/SCI Required - R135Herndon, VirginiaAt Expedition Technology (EXP), we’re looking for a Software Engineer with a DevOps mindset to help us design and implement services that support verification, validation, testing, and evaluation workflows for the DoD and Intel communities. DevOps experience is a bonus, especially if you’ve worked with containerized deployments and CI/CD pipelines, but your primary focus will be building the services that run in our mission environments.
Privileged Access Management Software Engineer (Annapolis Junction, MD) Shield Consulting SolutionsPrivileged Access Management Software Engineer (Annapolis Junction, MD)Annapolis Junction, MD$230,000–$240,000 / yearThe Software Engineer shall serve as the SME for all Delinea technologies running on Linux systems and shall collaborate closely with security, infrastructure, and DevOps teams. This role ensures secure credential management, privileged access controls, secrets management, and automation capabilities that align with mission security and compliance requirements.
Privileged Access Management Software Engineer Shield Consulting SolutionsPrivileged Access Management Software EngineerAnnapolis Junction, MD$230,000–$240,000 / yearThe Software Engineer shall serve as the SME for all Delinea technologies running on Linux systems and shall collaborate closely with security, infrastructure, and DevOps teams. This role ensures secure credential management, privileged access controls, secrets management, and automation capabilities that align with mission security and compliance requirements.
NewFull-Stack Software Engineer Booz Allen Hamilton IncFull-Stack Software EngineerChantilly, VA$112,800–$257,000 / yearOnsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. 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.
DevX Software Engineer PeopleNTech LLCDevX Software EngineerAlexandria, VA$65–$68 / hourDesigns and builds the integrations, tooling, and assets that make Unity adoption frictionless for engineering teams. - Bridges platform capabilities with the enterprise Internal Developer Platform (IDP), enabling self-service, golden paths, and rapid onboarding.
Senior Specialist, Full Stack Software Engineer L3Harris Technologies IncSenior Specialist, Full Stack Software EngineerDC$111,500–$207,500 / yearJob Description: Working at Trenchant means working alongside the best security researchers and product engineers from across the security research and intelligence communities. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Software Engineer, C++ ANDURIL INDUSTRIESSoftware Engineer, C++Washington, DC$166,000–$220,000 / yearTo ensure your safety and help you navigate your job search with confidence, please keep the following critical points in mind: No Financial Requests: Anduril will never solicit payment or demand personal financial details (such as banking information, credit card numbers, or social security numbers) at any stage of our hiring process. This third-party service provider provides risk-intelligence services that may include analysis of sanctions and watchlists, adverse media, public-record information, and other lawful open-source or commercial data sources.
Senior Software Engineer (Partial Telework) GliaCell TechnologiesSenior Software Engineer (Partial Telework)Annapolis Junction, MD$170,000–$230,000 / yearWe 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. Location: Annapolis Junction, MD / Partial Telework (2 days per week is expected) Note : Telework granted for this position does not become available until after the individual has been in the position for a period of time, has acclimated to tasking/duties, and has meaningful work that can be done remotely.
Senior Software Engineer, Generalist (Active Clearance) ANDURIL INDUSTRIESSenior Software Engineer, Generalist (Active Clearance)Washington, DC$191,000–$253,000 / yearData Systems Expertise: Demonstrated success in designing, implementing, and managing various data storage solutions (e.g., relational databases, NoSQL databases) and building efficient data processing pipelines. Driven by Real-World Impact: A proactive drive and enthusiasm for developing mission-critical back-end software that demonstrably supports vital operations and makes a significant real-world difference.
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.
Senior C++ Software Engineer Cirrus Group ConsultingSenior C++ Software EngineerColumbia, MarylandUse AI tools thoughtfully (LLMs, code assistants, etc.) to accelerate development and double‑check your work—without letting tools replace engineering judgment. Experience on small product teams building new products (not just maintaining legacy systems).
Software Engineer - UI Team (SWE L1) Belay TechnologiesSoftware Engineer - UI Team (SWE L1)Annapolis Junction, MDWe hire software engineers, web designers, test engineers, systems engineers, systems administrators, database engineers and other tech services. Excellent written and verbal communication skills including formal presentation skills and ability to translate technical and non-technical communications based on audience understanding.
Software Engineer (Partial Telework) GliaCell TechnologiesSoftware Engineer (Partial Telework)Annapolis Junction, 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. Playwright, Cucumber/Gherkin, JMeter, Swagger (or similar API tool), Selenium, Cypress, 508 testing tools (JAWS or NVDA).
Forensic Software Engineer REDLatticeForensic Software EngineerQuantico, VABachelor’s (B.S.) degree in Computer Science, Computer Engineering, Software Engineering, Electrical Engineering, Computer Information Security, Computer Security, Computer Forensics, or a related technical discipline. In this role, you will work closely with engineers, analysts, and mission stakeholders to identify, analyze, and interpret digital artifacts from mobile platforms while contributing to the development of innovative forensic methodologies and technical solutions.
Cross-Domain Software Developer CymertekCross-Domain Software DeveloperReston, VirginiaCross-Domain Solutions Developer, Secure Data Transfer Developer, Information Assurance Developer, Software Security Engineer, Cybersecurity Software Developer, Secure Systems Developer, Data Protection Software Engineer, Network Security Developer, Cross-Domain Architect, Secure Application Developer, Secure Integration Engineer, Software Developer for Classified Systems, Secure Communication Systems Developer, Information Security Software Engineer, Secure Systems Analyst, Cross-Domain Interface Developer, Secure Middleware Developer, Secure Systems Programmer, Embedded Systems Security Developer, etc. Computer Science, Software Engineering, Cybersecurity, Information Technology, Information Systems, Computer Engineering, Systems Engineering, Network Engineering, Applied Mathematics, Data Science, Information Assurance, Cryptography, Digital Forensics, Telecommunications, Artificial Intelligence, Secure Communications, Electrical Engineering, Computational Science, Secure Software Development, Embedded Systems Engineering, etc.
Senior Software Engineer Redhorse CorporationSenior Software EngineerChantilly, VAThis is a high-impact role designed for a seasoned professional who can navigate the complexities of modern software design while understanding the critical nature of government sponsor requirements. To support this mission, we are seeking a Senior Software Engineer (SME ) with deep technical expertise to lead complex engineering initiatives.
Software Engineer ManTechSoftware EngineerFort Meade, MDBachelor’s Degree in Computer Science or related discipline with 20+ years of software engineering experience; Four years of additional software engineering experience may be substituted for a Bachelor’s Degree. The Software Engineer will leverage their strong technical background and knowledge to design, develop, and maintain complex software systems while ensuring all functional and performance requirements are met.
Director, Head of Software Engineering HITT ContractingDirector, Head of Software EngineeringFalls Church, VA$130,000–$210,000 / yearThe Head of Software Engineering is accountable for the structure and growth of the engineering organization, the delivery of applications and platforms that serve HITT’s project teams and jobsites nationwide, and the development of a new generation of AI-enabled engineering talent — hiring builders who already work this way and training HITT’s existing developers in new methods. This is a senior leadership role for an engineering executive with a builder’s mindset: someone who has seen firsthand how agentic, AI-enabled development is changing the way software gets made — and who knows how to turn that shift into a durable advantage for one of the nation’s largest general contractors.
Software Engineer - SWE 0-2 - TS/SCI with Poly Navius TechnologiesSoftware Engineer - SWE 0-2 - TS/SCI with PolyAnnapolis Junction, MarylandThis work may involve application development, back-end services, data processing, distributed systems, automation, cloud-based tooling, or full-stack engineering, depending on team needs and the candidate's background. Engineers in these roles contribute to new application development, enhancement of existing systems, system integration, performance improvement, and long-term platform sustainment across secure technical environments.
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.
Software Engineer with Poly SR SWE3 Lockheed Martin CorpSoftware Engineer with Poly SR SWE3Annapolis Junction, MD$150,800–$265,880 / yearPay Rate: The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $150,800 - $265,880. This senior role fosters collaboration with other senior and more junior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission.
Software Engineer Integration Platform (US Federal) Workday IncSoftware Engineer Integration Platform (US Federal)Reston, VA$151,500–$227,300 / yearWe know that flexibility can take shape in many ways, so rather than a number of required days in-office each week, we simply spend at least half (50%) of our time each quarter in the office or in the field with our customers, prospects, and partners (depending on role). Preferred DoD 8570/8140 compliant with at least IAT Level II certification, including a current Computing Environment (CE) credential and one approved specialty certification (e.g., CompTIA CySA+, GICSP, CASP+).
Cloud Software Engineer, Lead Associate Peraton IncCloud Software Engineer, Lead AssociateLaurel, MD$135,000–$216,000 / 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. You will leverage Kubernetes and modern cloud services to orchestrate complex, containerized microservices at scale, delivering robust, data-driven solutions.
Cloud Software Engineer TS/SCI with poly Peraton IncCloud Software Engineer TS/SCI with polyAnnapolis Junction, MD$104,000–$166,000 / yearBenefits: Peraton offers enhanced benefits to employees supporting this critical National Security program, 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 eligibility to participate in an attractive bonus plan. A Bachelor''s Degree in Computer Science or in a related technical field from an accredited college or university is highly desired which will be considered equivalent to two (2) years of experience.
Software Engineer Merit 321Software EngineerElkridge, MDLocation: Elkridge, MD This role offers the opportunity to contribute to a fast-paced development environment focused on delivering tools that help users turn complex data into actionable intelligence. You will work within a priority-driven team focused on making data more accessible and useful, incorporating direct user feedback to guide ongoing enhancements.