Principal Software Engineer – (Secret Clearance Preferred – On-site Required) GD Information TechnologyPrincipal Software Engineer – (Secret Clearance Preferred – On-site Required)Oakton, VirginiaThis challenging and interesting software engineering and development position is a chance to participate in the development and operation of a high-performance big data system, and join a longstanding, stable program consisting of a team of individuals using defined Agile software principles and practices. To 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.
Core Java Software Engineer - TS/SCI with Polygraph GD Information TechnologyCore Java Software Engineer - TS/SCI with PolygraphChantilly, VirginiaExpert-level knowledge of Core Java (NOT Spring Boot), Eclipse IDE v2026, Java 17 or later, JVM, JRE, and JDK concepts, JavaScript, AJAX, jQuery, JSP, Apache Tomcat 11 or later, Tomcat connector, MariaDB (MySQL) v10 or latest, HTML5, CSS, JSON/XML HTTP, HTTPS, REST API, SSH, PKI, OpenSSL, Putty, Linux and LDAP. To 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.
Software Engineer Level 1 - 3 Ts/Sci/Fs Poly Only AltamiraSoftware Engineer Level 1 - 3 Ts/Sci/Fs Poly OnlyAnnapolis Junction, MD$140,000–$230,000 / yearRequired Skills: Requires a bachelor's degree in a relevant discipline (e.g., computer science, information systems, and network engineering) from an accredited college or university and eight (8) years of relevant programming experience in the field (e.g., computer science, information systems and network engineering). Provides specific input to the software components of system design to include hardware/software tradeoffs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off the shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.
Software Engineer WhitespaceSoftware EngineerAlexandria, VARemoteThe ideal candidate is a full-stack problem solver who can design scalable software systems, build data pipelines, perform geospatial analysis, and develop analytic capabilities that transform large volumes of commercial and geospatial data into actionable intelligence. Recognized as one of the most innovative companies in the geospatial industry, Whitespace accelerates speed-to-answer through powerful analytics, high-cadence data feeds, geospatial intelligence, and expert-machine teaming.
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).
Software Engineer-AFRL WhitespaceSoftware Engineer-AFRLAlexandria, VARemoteYou'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.
Senior Software Engineer II Rocket Lab USASenior Software Engineer IIChantilly, VA$143,300–$214,850 / yearTo conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Rocket Lab’s Space Systems division builds complete spacecraft, precision payloads to the components and subsystems that allow them to thrive in space including solar panels, flight software, star trackers, optical systems, separation systems, and radios.
Senior Software Engineer - Apis UnacastSenior Software Engineer - ApisAshburn, VARemote$125,000–$145,000 / yearDemonstrate excellent SQL database skills ranging from database initial creation and design, table design, automated load and maintenance processes, and efficient querying. You have demonstrated experience translating business problems into technology solutions, and deploying the right tool for the job including Scala, Java, third party web services, scripting languages (e.g.
Senior Software Engineer in Test, Federal Classified Okta IncSenior Software Engineer in Test, Federal ClassifiedWashington, DC4 years of experience setting up and maintaining test configurations and lab environments Additional requirements: U.S. soil status - the employee must be on U.S. soil, which means the 50 states, the District of Columbia, or outlying areas of the United States, as defined in Federal Acquisition Regulation (FAR) 2.101 U.S. Security Clearance status - the employee must be able to obtain and maintain a U.S. security clearance (Secret or Top Secret) to the extent required by U.S. Government contracts. Classification of protected categories is as follows: A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.
Staff Full-Stack Software Engineer - NOS The Nuclear CompanyStaff Full-Stack Software Engineer - NOSWashingtonThe Nuclear Company is the fastest-growing AI-enabled startup in nuclear energy, bringing together experienced nuclear professionals, technologists, engineers, and builders to deliver the next generation of nuclear power. The actual salary offered may vary based on relevant factors as determined in the Company’s discretion, which may include experience, qualifications, tenure, skill set, availability of qualified candidates, geographic location, certifications held, and other criteria deemed pertinent to the particular role.
Senior Software Engineer Cohere Technology Group LLCSenior Software EngineerChantilly, VAThis is an opportunity to join a close-knit team of engineers who are passionate about learning from each other and developing next-generation capabilities supporting our stakeholders’ operations. Cohere was founded in 2015 by seasoned intelligence community engineers to unify and streamline both cyber and kinetic workflows for the Intelligence Community and the Department of Defense.
Rust Software Engineer Henpen CorporationRust Software EngineerReston, VirginiaThe role spans backend services, databases, frontend applications, and supporting infrastructure, making it a strong fit for an engineer who enjoys solving challenging technical problems and seeing research become operational capability. Location: Reston, VA Security Clearance: SECRET We’re looking for a mid-level Rust Software Engineer to build and optimize high-performance software supporting simulation, optimization, and decision support in mission-focused environments.
Full Stack Software Developer Omniscius ConsultingFull Stack Software DeveloperLaurel, MDThis role offers the opportunity to develop, enhance, and sustain enterprise applications that support critical business operations while working with modern development tools, cloud technologies, and Agile methodologies. The ideal candidate is a well-rounded software engineer who enjoys solving complex technical challenges, developing scalable applications, and supporting production systems in a fast-paced environment.
Senior Application Software Engineer Oracle CorpSenior Application Software EngineerReston, VA$87,000–$187,000 / year8 years of software development experience; or bachelor''s degree in a relevant technical field and 4 years of software development experience; or master''s degree in a relevant technical field and 2 years of software development experience; or doctorate in a relevant technical field. This role will deliver medium-complexity features, improve quality and reliability, support production systems, and collaborate across engineering, QA, operations, and product teams to meet mission-critical customer needs.
NewSoftware Engineer Lockheed Martin CorpSoftware EngineerHanover, MD$166,900–$309,900 / yearConducts vulnerability research, reverse engineering, penetration testing (red/blue teams), develops and integrates low-level firmware, and/or develops specialized cyber software solutions and tools based on mission requirements. Bachelor's degree in Computer Science or related discipline from an accredited college or university or Four (4) years of additional software engineering experience may be substituted for a bachelor's degree.
Backend Software Engineer - Maps & Routing Rune TechnologiesBackend Software Engineer - Maps & RoutingArlington, VirginiaAs a Backend Software Engineer at Rune, you will be part of a high-impact team working at the intersection of advanced logistics algorithms, modern AI-enabled software, and complex system integrations, all in support of the warfighter at the tactical edge. Our flagship product is TyrOS, an AI-enabled logistics command and control platform that gives commanders a single, real-time operating picture of their sustainment fight, from inventory and distribution to medical and operational planning, even in degraded and contested environments.
Backend Software Engineer - Saga Rune TechnologiesBackend Software Engineer - SagaVADesign, build, and deploy production-grade GenAI systems -- including RAG architectures, vector databases, LLM integrations, and tool-call frameworks -- in support of Saga, Runes AI agentic product layer. Our flagship product is TyrOS, an AI-enabled logistics command and control platform that gives commanders a single, real-time operating picture of their sustainment fight, from inventory and distribution to medical and operational planning, even in degraded and contested environments.
Cloud Software Engineer, Senior Advisor - TS/SCI w/poly PeratonCloud Software Engineer, Senior Advisor - TS/SCI w/polyLaurel, Maryland$176,000–$282,000 / yearFull timeAs a Senior Cloud Software Engineer, you'll work independently on complex technical challenges while collaborating with software engineers, systems engineers, and mission stakeholders to deliver scalable, high-performance solutions. Join a highly skilled Agile development team building and enhancing mission-critical cloud applications that support large-scale distributed compute environments.
Cloud Software Engineer (TS/SCI w/ Poly) PeratonCloud Software Engineer (TS/SCI w/ Poly)Annapolis Junction, Maryland$146,000–$234,000 / yearFull timeAs the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace.
JavaScript Software Engineer – ICAM Vets HiredJavaScript Software Engineer – ICAMMarylandThis role involves working across the full software development lifecycle to enhance existing tools and build new web-based applications. The ideal candidate is technically strong, collaborative, and motivated to deliver secure, policy-driven software solutions in a mission-critical environment.