Principal Software Engineer Cubic CorpPrincipal Software EngineerAshburn, VACompany Details: When you join Cubic, you become part of a company that creates and delivers technology solutions in transportation to make people's lives easier by simplifying their daily journeys, and defense capabilities to help promote mission success and safety for those who serve their nation. Four-year college degree in computer engineering or other related technical discipline, plus a minimum of eight years of related experience or a master's degree with at least six years of related experience.
NewSoftware Engineer - SME Accenture Federal ServicesSoftware Engineer - SMEChantilly, VAThe 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: $106,300—$221,100 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 .
NLM Software Engineer I Lexical Intelligence LLCNLM Software Engineer IBethesda, MDThe Software Engineer I shall be able to work well within a team of multidisciplinary researchers, DevOps engineers, data scientists, and biomedical informatics professionals. Our Natural Language Processing (NLP) and analytics software is used by policy and decision makers to evaluate and prioritize current and emerging areas of research.
Traffic Engineer - Entry Level Whitman, Requardt & Associates, LLPTraffic Engineer - Entry LevelFairfax, VA$70,000–$125,000 / yearFull timeOur traffic engineers design traffic signals, signing, markings, roadway/parking lot lighting, work zone traffic control, and ITS devices; conduct traffic safety/operations studies; and develop or apply Synchro, SimTraffic, VISSIM, and VISUM models. Project assignments can range from small-scale intersection improvements to complex interchange and corridor projects, as well as innovative multimodal transportation plans and parking studies.
Senior Software Engineer- CoStar Suite- Arlington, VA CoStar GroupSenior Software Engineer- CoStar Suite- Arlington, VAArlington, Virginia$124,000–$187,000 / yearIncluded in the S&P 500 Index, CoStar Group is on a mission to digitize the world’s real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. . 5+ years of production development experience in modern technologies, like React, Vue, TypeScript, NodeJS, C#, Net, OpenSearch, Kafka, SQL, NoSQL.
AI Software Engineer Booz Allen Hamilton IncAI Software EngineerArlington, VA$86,800–$198,000 / 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. Booz Allen is the leading provider of AI services to the nation-we're looking for a software engineer like you to create AI and machine learning solutions that help solve the world's toughest problems.
Software Engineer-AFRL GeoDelphi, Inc.Software Engineer-AFRLAlexandria, VirginiaRemoteYou'll be supporting a research and development project under the Air Force Research Laboratory (AFRL), whose mission is to lead the discovery, development, and integration of affordable warfighting technologies for air, space, and cyberspace forces. Recognized as the most innovative company in the Geospatial Industry, Whitespace exponentially accelerates speed-to-answer with powerful analytics, high-cadence data feeds, and human expert-machine teaming.
Knowledge Graph Software Engineer - Clearance Required BTI360Knowledge Graph Software Engineer - Clearance RequiredHerndon, VA$125,900–$247,900 / yearIn this role, you'll work closely with our engineers and mission teams to tackle complex business problems using emerging AI technologies - specifically by extracting and linking critical entities to build and curate scalable graph databases and knowledge bases. What you will do in this role: As a Knowledge Graph Software Engineer at BTI360, you will: Lead end-to-end knowledge graph and knowledge base development efforts from problem definition to production, designing pipelines that extract, normalize, link, and organize information into scalable graph-based systems.
Embedded Software Engineer Booz Allen Hamilton Inc.Embedded Software EngineerMclean, VA$52,900–$108,000 / 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. Ability to effectively communicate, work independently and collaboratively on a cross-functional team, and demonstrate initiative to complete complex tasks to achieve program goals in a fast-paced environment.
Junior Pega Software Engineer (TS/SCI with Poly Required) Red AlphaJunior Pega Software Engineer (TS/SCI with Poly Required)Columbia, Maryland$85,000–$175,000 / yearOur total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package. A Bachelor’s degree in Computer Science or related discipline from an accredited college or university OR 4+ years of additional software engineering experience on projects with similar software processes may be accepted in lieu of a degree.
Principal Geospatial Software Engineer (TS/SCI with Polygraph required) Red AlphaPrincipal Geospatial Software Engineer (TS/SCI with Polygraph required)Columbia, Maryland$190,000–$235,000 / yearOur total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package. We are seeking a skilled and motivated Principal Geospatial Software Engineer to join our team in developing cutting-edge geospatial analysis, ETL (Extract, Transform, Load), and visualization microservices to support mission-focused systems.
Frontend Software Engineer — Secure Mission Systems RacknerFrontend Software Engineer — Secure Mission SystemsLaurel, MDYou will contribute across application development, API integration, automated testing, secure software delivery, documentation, and technical reviews while working with experienced software, AI/ML, security, platform, and customer engineering teams. This role brings together hands-on software development, interactive data experiences, secure delivery, API integration, and close collaboration across frontend, backend, AI/ML, security, platform, and mission-focused teams.
Senior Software Engineer (GEOINT Systems) Ennoble FirstSenior Software Engineer (GEOINT Systems)Gaithersburg, MD$130,000–$160,000 / yearEnnoble First is seeking a highly motivated Senior Software Engineer (SWE) to support a mission-focused GEOINT software development program delivering next-generation capabilities within a classified environment. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Expert Software Engineer 671 Freedom Technology Solutions GroupExpert Software Engineer 671Herndon, VirginiaLinux (Bash) shell scripting automated testing for front end applications (i.e. Jasmine, Selenium, Cypress) web-based platforms to perform searches or analytics on large data sets orability to design, develop, test and implement new applications based on project requirements. The ideal candidate will help promote state-of-the-art IT solutions, collaborating with IT mission partners to share technology and lessons learned and ensure records management processes and requirements are included in the early design stages of IT solutions across the Intelligence Community.
Software Engineer State AffairsSoftware EngineerWashington, DC$120,000–$210,000 / yearSoftware Engineers own user‑facing features end‑to‑end: slick React/Next JS interfaces, performant Node APIs, and Postgres‑centric data models that keep up with petabyte‑scale content. One sprint you'll prototype a semantic‑search UI backed by vector embeddings; the next you'll build a real‑time collaboration layer that lets policy analysts co‑author annotations and compare version histories without ever refreshing the page.
Software Engineer II - Front End (Library of Congress) Ad HocSoftware Engineer II - Front End (Library of Congress)Mc Lean, VARemote$95,000–$110,000 / yearWe partner with these agencies to build new capabilities, deliver products, establish data as a strategic asset for informed decision-making, modernize legacy systems, and build the digital service infrastructure necessary to scale their mission impact. Primary expectations for a Software Engineer II - Front End include: Build and maintain user-facing applications using Angular, HTML/CSS, and JavaScript, implementing designs from Figma specifications using federal Design System components.
US Military Skillbridge Internship (Software Engineer)_Arlington, VA Black CapeUS Military Skillbridge Internship (Software Engineer)_Arlington, VAArlington, VARemoteTechnical degrees are preferred (e.g., Computer Science, Electrical Engineering, Mechanical Engineering, Mathematics, Physics, Computer Information Systems, etc.).We 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.
Software Engineer in Deployment - JobID-0241 Innovative Defense TechnologiesSoftware Engineer in Deployment - JobID-0241Arlington, Virginia$135,000–$273,000 / yearWho You Are (Required): Bachelor’s Degree in Information Technology, Computer Science, Computer Engineering, Electrical Engineering, Systems Engineering, Physics, or Math, or equivalent full-time professional experience; Master’s Degree in Engineering or other technical field highly desired. Manage, mentor, and lead a small team of engineers working operational and development tasks while championing the use of AI to streamline the team’s workflow, incorporating AI-driven approaches to optimize automation and reduce the complexity of installations.
Senior Model Based Systems Engineer LeidosSenior Model Based Systems EngineerAlexandria, VA$107,900–$195,050Bachelor’s degree in engineering or related field with 8+ years of prior relevant experience or a master’s degree with 6+ years of experience in one of these areas: systems engineering, software engineering, test engineering or related field. Your role will directly support our diverse portfolio of programs through a combination of requirements and design architecture analysis; MBSE Model development; mentoring junior engineers and assisting technical leadership develop briefing material.
Model-Based Systems Engineer LeidosModel-Based Systems EngineerAnnandale, VA$69,550–$125,725Bachelor’s degree in engineering or related field with 2+ years of prior relevant experience or a master’s degree with at least a year experience in one of these areas: systems engineering, software engineering, test engineering or related field. March 30, 2026For 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.
Mission Software Engineer, Intelligence Systems Anduril Industries IncMission Software Engineer, Intelligence SystemsReston, VA$151,000–$200,000 / yearAbove all, Mission Software Engineers are driven by a "Whatever It Takes" mindset-executing in an expedient, scalable, and pragmatic way while keeping the mission top-of-mind and making sound engineering decisions to deliver successful outcomes correctly, on-time, and with high quality. To 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.
Senior Software Engineer - Java/Microservices Tenable IncSenior Software Engineer - Java/MicroservicesColumbia, MD$137,500–$183,500 / yearInnovate: Become a member of senior engineering teams driving on-going innovation of our global cloud architecture and distributed systems that serves our broad customer base with the latest cyber security technologies. As a Senior Software Engineer on the team, you will have the opportunity to be part of implementing and maintaining a highly scalable, highly reliable cloud-native user interface and underlying microservices which utilize modern technologies and programming languages.
Software Engineer (C++, Linux, bash scripting) - Active Secret clearance General Dynamics CorpSoftware Engineer (C++, Linux, bash scripting) - Active Secret clearanceManassas, VA$100,219–$111,180 / yearBachelor's degree in Software Engineering, or related Science, Technology, Engineering or Mathematics field, plus a minimum of 2 years of relevant experience; or Master's degree, plus 6 months relevant experience. General Dynamics Mission Systems (GDMS) engineers a diverse portfolio of high technology solutions, products and services that enable customers to successfully execute missions across all domains of operation.
NewAI Software Engineer - TS/SCI with Polygraph General Dynamics Information TechnologyAI Software Engineer - TS/SCI with PolygraphChantilly, VirginiaTo ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. The role requires expertise in frontend and backend Web development and modern search engineering technologies, including Large Language Models (LLM), Retrieval‑Augmented Generation (RAG), and AI‑assisted retrieval system capabilities development.
Senior Cloud Software Engineer Anduril Industries IncSenior Cloud Software EngineerReston, VA$191,000–$253,000 / yearAbove all, Mission Software Engineers are driven by a "Whatever It Takes" mindset-executing in an expedient, scalable, and pragmatic way while keeping the mission top-of-mind and making sound engineering decisions to deliver successful outcomes correctly, on-time, and with high quality. To 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.
NewMission Software Engineer Anduril Industries IncMission Software EngineerReston, VA$132,000–$198,000 / yearAbove all, Mission Software Engineers are driven by a "Whatever It Takes" mindset-executing in an expedient, scalable, and pragmatic way while keeping the mission top-of-mind and making sound engineering decisions to deliver successful outcomes correctly, on-time, and with high quality. To 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.
Software Engineer, Edge AI Valinor EnterprisesSoftware Engineer, Edge AIDistrict of ColumbiaOur unique model of centralized go-to-market and decentralized engineering allows us to move with unparalleled efficiency to identify unmet needs, build right-sized solutions, and get products where they matter most - in the hands of users. Unlike others in the space, who focus on the flashy problems, Valinor exists to solve the quiet, unaddressed problems-the small but significant ones that lead to cracks in the country's strength, stability, and security.
Senior Software Engineer (AI/Systems Integration) Staffed4USenior Software Engineer (AI/Systems Integration)Columbia, MarylandThe candidate will be expected to maintain a strong understanding of mission objectives, data flows, and tooling ecosystems while collaborating with stakeholders and engineering teams to deliver solutions supported by modern AI/ML technologies. This role involves designing, developing, and integrating software tools that enhance development workflows, operational capabilities, and system interoperability.
Software Engineer (Agentic AI Systems) - Level 3 Staffed4USoftware Engineer (Agentic AI Systems) - Level 3Columbia, MarylandThe candidate will collaborate closely with technical stakeholders, including analysts and engineers, to translate operational requirements into AI-enabled software capabilities that improve automation, decision support, and system interoperability. The selected candidate will serve as a Senior Software Engineer supporting the development of an advanced agent-based platform designed to enable intelligent and autonomous workflows.
Full-Stack Software Engineer - Level 1 Staffed4UFull-Stack Software Engineer - Level 1Columbia, MarylandThe selected candidate will serve as a Full-Stack Software Engineer supporting a mission-focused team responsible for developing custom applications, workflow automation tools, and data-driven solutions. The candidate will work directly with users and technical teams to design, prototype, and deliver software solutions that enhance operational effectiveness.
Sr. Software Engineer - Reston, Hybrid - FreeWheel ComcastSr. Software Engineer - Reston, Hybrid - FreeWheelReston, VirginiaIn-depth understanding of cloud, containerization and other related technologies, familiar with distributed architecture and commonly-used middleware such as cache, message queue, Nginx, etc., Experience in large-scale online service design, development and operation and maintenance is preferred. That’s why we provide an array of options, expert guidance and always-on tools, that are personalized to meet the needs of your reality – to help support you physically, financially and emotionally through the big milestones and in your everyday life.
Software Engineer II Alarm.com IncorporatedSoftware Engineer IITysons Corner, VA$88,300–$122,550 / yearOur comprehensive suite of solutions-including security, video surveillance, access control, active shooter detection, intelligent automation, energy management, and wellness-is delivered exclusively through a trusted network of thousands of professional service providers and commercial integrators across North America and worldwide. We collect and use those categories of Personal Information about you for human resources and other business management purposes, including identifying and evaluating you as a candidate for potential or future employment or future positions, recordkeeping in relation to recruiting and hiring, conducting criminal background checks as permitted by law, conducting analytics, and ensuring compliance with applicable legal requirements and Company policies.
Sr. Lead RF Software Engineer - TS/SCI CI Parsons CorpSr. Lead RF Software Engineer - TS/SCI CIHerndon, VA$176,900–$332,400 / yearJob Description: The Lead RF Software Engineer performs the following technical tasks as a leader in the Airborne Sensing (ABS) Group (75% to 80% of the time): Takes a lead role in Developing the software to bring RF, Wireless, SIGINT, ELINT, and/or Electronic Warfare solution designs to fruition, drawing from experience with: Implementing real time DSP algorithms for modulation/demodulation, filtering, channelization, detection, and estimation. What Desired Skills You'll Bring: Experience with proposal writing and building customer relations, Working knowledge of Software Development Frameworks, Previous IC or DoD-related RF, Wireless, SIGINT, ELINT, and/or Electronic Warfare systems program/project work experience.
Ground Software Engineer, Space Anduril Industries IncGround Software Engineer, SpaceChantilly, VA$166,000–$220,000 / yearWe''re developing fully integrated hardware and software systems, including Lattice for Space Missions and modular payloads, to address growing threats in space and ensure our Guardians maintain a decisive advantage in this contested warfighting domain. To 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.
WS-G5 Software Engineer - Embedded systems - VA Keltia Design IncWS-G5 Software Engineer - Embedded systems - VAVAExperience: 4 years degree in an applicable STEM field REQUIRED (Computer Science, Electrical Engineering or other Engineering discipline with demonstrated software knowledge). To maximize product performance by developing, designing, validating, and verifying software according to requirements and design specifications.
Software Engineer IV ECS Federal LLCSoftware Engineer IVWashington, DCEverforth ECS is seeking a Software Engineer IV to work in Moorestown, NJ. Please Note: This position is contingent upon contract award.
Software Engineer V ECS Federal LLCSoftware Engineer VWashington, DCEverforth ECS is seeking a Software Engineer V to work in Moorestown, NJ. Please Note: This position is contingent upon contract award.
Network Software Engineer Johns Hopkins University Applied Physics Laboratory LLCNetwork Software EngineerLaurel, MDAs a member of our team, you will be responsible for the design, development, integration, and test of communications and network software, including protocol implementation, network services, and distributed systems for the Government across numerous departments and agencies. Architect, develop, integrate, and test software-based command and control, secure communication, and networking systems in operationally-realistic environments, working closely with sponsors to ensure mission success.
Software Engineer Integration ECS Federal LLCSoftware Engineer IntegrationWashington, DC$135,000–$170,000 / yearEverforth ECS is seeking a Software Engineer (Integration) to work in a hybrid remote/onsite capacity, with minimum of 3 business days onsite at our Fairfax, VA corporate office and/or our Springfield, VA customer site. Everforth ECS is seeking an innovative and articulate Software Engineer to support the execution of a variety of projects including Artificial Intelligence/Machine Learning and Big Data/Cloud Solutions.
Principal CNO Software Engineer ZetierPrincipal CNO Software EngineerArlington, VACandidates will demonstrate practical experience designing, developing, and deploying tools intersecting command and control, persistence, and networking. Zetier is seeking Principal CNO Software Engineers to develop operationally critical cyber capabilities.
Principal Software Engineer, Full Stack JSI TelecomPrincipal Software Engineer, Full StackChantilly, VA$95,000–$225,000Actual compensation will be determined based on a variety of factors, including, but not limited to, the seniority level (junior, intermediate or senior) at which the position is filled, education, relevant work experience, industry experience, technical skills, certifications, and internal equity. Possess extensive application development experience, and software engineering and architecture expertise using multiple program languages (e.g., C, C++, C#, ASP.Net, Java, JavaScript, SQL, jQuery, XML, Perl, YAML, and JSON).
Software Engineer III ECS Federal LLCSoftware Engineer IIIWashington, DCEverforth ECS is seeking a Software Engineer III to work in Moorestown, NJ. Please Note: This position is contingent upon contract award.
Staff Software Engineer, Infrastructure, Google Public Sector Google LLCStaff Software Engineer, Infrastructure, Google Public SectorReston, VAWe focus on helping United States public sector institutions accelerate their digital transformations, and we continue to make significant investments and grow our team to meet the complex needs of local, state and federal government and educational institutions.\n \nThe US base salary range for this full-time position is $207,000-$300,000 + bonus + equity + benefits. We're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing every day.
Sr Software Engineer - System Hubbell IncSr Software Engineer - SystemHerndon, VAHubbell Utility Solutions (HUS) enable the grid to conduct, communicate and control energy across utility applications and Hubbell Electrical Solutions (HES) are essential to managing power across a wide range of industries and applications. Must possess at least a bachelor's degree or its equivalent in Computer Engineering, Electrical Engineering, Computer Science or a related field and at least 5 years of progressive experience working as a Software Engineer or in a related role.
Software Engineer Herrick Technology Laboratories Inc.Software EngineerGermantown, MD$75,000–$200,000 / yearResponsibilities span the entire product lifecycle from software concept to customer delivery and maintenance; opportunities for development span from kernel-level embedded to full-stack web development and UI using a variety of languages and tools. Description: As a Software Engineer at HTL you will design, prototype, debug, introduce new products, develop test plans, and optimize software and the associated release cycle.
Software Engineer (Top Secret/SCI with CI Poly to start Clearance Required) North Point TechnologySoftware Engineer (Top Secret/SCI with CI Poly to start Clearance Required)Herndon, VAThe Software Engineer will design, develop, and maintain object-oriented software applications in support of a government program, contributing to all phases of the software development lifecycle including requirements analysis, implementation, testing, and deployment. North Point Technology is looking to hire a Software Engineer to join a team delivering mission-critical software solutions for a government program.
NewBackend Software Engineer MolgBackend Software EngineerSterling, VirginiaGiven the importance of working hands-on with physical systems, we are a 100% in-person team collaboratively working in our industrial space in Sterling, VA, down the road from the largest data center market in the world. As a Backend Software Engineer, you will: Lead the design and implementation of scalable backend systems and microservices architecture that power Molg’s robotics and assembly intelligence platforms.
Reentry Systems Software Engineer Johns Hopkins University Applied Physics Laboratory LLCReentry Systems Software EngineerLaurel, MDThe Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation's most critical defense, security, space and science challenges. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
Software Engineer C Python and JavaScript ECS Federal LLCSoftware Engineer C Python and JavaScriptWashington, DC$160,000–$190,000 / yearEverforth ECS is seeking an innovative and articulate Software Engineer to support the execution of a variety of projects including the development of applications and APIs for help users perform analytic functions. You will work closely with the technical team to develop, test, deploy, and maintain solutions in an Agile environment, promoting excellence in collaboration and customer service.
Lead AI Software Engineer Guidehouse IncLead AI Software EngineerTysons, VA$113,000–$188,000 / yearWorking with cross-functional teams-including software engineers, data scientists, product managers, and mission stakeholders-you will deliver high-impact solutions that combine modern engineering practices with Artificial Intelligence capabilities. Compensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs.