Sr. Secure Software Engineer ATR, LLCSr. Secure Software EngineerChantilly, Virginia$180,000–$190,000 / yearFull timeWorking closely with Cloud & DevOps Engineers, system engineers, data scientists, and government stakeholders, the Secure Software Engineer will implement application services, user interfaces, APIs, automated testing capabilities, and data processing workflows while incorporating secure coding practices, vulnerability remediation, and cybersecurity engineering principles. 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.
Software Engineer Fantom CorporationSoftware EngineerChantilly, VirginiaEstablished in 2015, Fantom Corp serves Federal customers with top-notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services, and Cloud-certified practitioners. Fantom Corp is a Software Development, Agile Cloud, Software Development, Cyber Security (Risk Management, Assessments & Authorization (A&A)), Data, AI Platform (Computer Vision Models), Podcasting Media Services, and IT Services provider.
NewSafety Project Engineer HITT ContractingSafety Project EngineerFalls Church, VAEvery day, our team members do amazing things in pursuit of our shared purpose to build trust with our clients, partners, subcontractors, and teammates. The Project Engineer Safety (PES) team member is paired with a safety sponsor from the HITT Safety Department for at least one year of on-site experience, following a structured, year-long development plan.
NewCloud Engineer (onsite) System OneCloud Engineer (onsite)Washington, DCThis role will work closely with senior platform engineers, cloud infrastructure, security, and application teams to provision and maintain cloud infrastructure, automate repeatable platform operations, monitor platform health, troubleshoot issues, and support secure delivery of EDP capabilities. • Provision, configure, and maintain AWS infrastructure components supporting EDP environments, including networking, compute, storage, identity and access management, and logging/monitoring services.
Full Stack Software Engineer (Remote) TrapWire Inc.Full Stack Software Engineer (Remote)Herndon, VARemoteIf you are passionate about software development and have a strong desire to join a dynamic team working to build robust tools in the National Security and other security-related realms, we encourage you to contact us and provide your resume. Substantial experience developing AJAX-rich web applications using the technologies listed above, plus.
C++ Software Engineer (Dc, Nova) Stellar Science Ltd CoC++ Software Engineer (Dc, Nova)Tysons Corner, VAJoin our unique, collaborative team to help implement leading-edge scientific software tools in fascinating domains including space situational awareness, computer vision, directed energy, metamaterials, and biothermal modeling. Stellar Science is seeking several modern C++20/23 Software Engineers with three or more years of industry experience creating reusable, maintainable code solving challenging math and physics problems.
Senior Staff Software Engineer (Backend) - Billing Platform *Hybrid* Geico InsuranceSenior Staff Software Engineer (Backend) - Billing Platform *Hybrid*Bethesda, MD$110,000–$260,000 / yearThis platform includes a comprehensive array of components such as a core billing engine, invoicing system, commissions management, collections, payment processing, CRM integration, subscription management, credit control and dunning management, along with reporting and analytics. The Billing team at GEICO oversees the tools, infrastructure, data, reporting, analytics, and services essential for delivering seamless billing experiences to internal users, end customers, and partners.
Senior Software Engineer - Capacity Management Geico InsuranceSenior Software Engineer - Capacity ManagementBethesda, MD$75,000–$215,000 / yearThis is an opportunity for a strong software engineer who enjoys solving complex technical problems, building intuitive front-end experiences, and developing robust backend services in a collaborative environment. You will work closely with engineers, product partners, and business stakeholders to deliver scalable, reliable, and user-friendly solutions that support data-driven decision making.
Senior DevOps Engineer LeidosSenior DevOps EngineerBurke, VA$107,900–$195,050p>The Leidos Spatial Solutions Division has an exciting opportunity for a senior DevOps Engineer to assist with the development, integration, deployment, and sustainment of mission critical systems that enable NGA's Geospatial Intelligence (GEOINT) mission collecting sciences, technology and tradecraft measuring and modeling the Globe to provide three-dimensional accuracy of every point in, on, or above the Earth. June 1, 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.
NewCyber Security Engineer LeidosCyber Security EngineerMount Vernon, VA$87,100–$157,450 / yearLeidos is excited to add a Top Secret cleared Cyber Security Engineer who possesses a passion for Cyber Security Scanning to help identify security weaknesses and flaws in systems and software running on them and also understands the critical RMF process to improve information security. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Software Developer SME LeidosSoftware Developer SMEChantilly, VirginiaJune 29, 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. Leidos is seeking a Software Engineer for a 200+ FTE technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management.
NewSoftware Developer - Entry Level CGI IncSoftware Developer - Entry LevelFairfax, VA$58,000–$105,300 / yearHowever, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI's legal duty to furnish information. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.
TS/SCI - Software Developer Bailey Information TechnologyTS/SCI - Software DeveloperChantilly, MarylandThe BIT, LLC is recruiting for an experienced Software Developer to help enable NGA's Geospatial Intelligence (GEOINT) mission collecting sciences, technology and tradecraft measuring and modeling the Globe to provide three-dimensional accuracy of every point in, on, or above the Earth. Primary responsibilities will involve coding, developing, integrating, and debugging software artifacts; writing validation tests against existing baselines to ensure integrity of the code during Agile development efforts; assisting with unit testing; programming; and developing in Python.
Cloud Architect / Engineer LeidosCloud Architect / EngineerWashington, DC$131,300–$237,350Proven expertise with Generative AI infrastructure, including: Production-ready Retrieval-Augmented Generation (RAG) pipelines, Scalable vector databases (e.g., Pinecone, Weaviate, Milvus, FAISS, or managed services) with indexing, clustering, and optimized retrieval, GPU/TPU compute clusters, managed container orchestration (Kubernetes/EKS/AKS/GKE), and auto-scaling for large language model (LLM) workloads. Demonstrated experience implementing enterprise security and compliance frameworks (SOC 2, ISO 27001, HIPAA, PCI-DSS, CMMC, FedRAMP, etc.), including encryption, threat monitoring, and zero-trust architectures.
NewLead Software Developer LeidosLead Software DeveloperGaithersburg, MarylandAugust 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. You will join a dynamic engineering team responsible for building and sustaining real-time, high-availability, safety-critical systems that directly support national airspace operations.
Real-Time Software Engineer Booz Allen HamiltonReal-Time Software EngineerMcLean, VirginiaOnsite : 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. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual’s particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Real-Time Software Engineer LeidosReal-Time Software EngineerArlington, VirginiaProjects involve small multi-disciplinary teams of engineers working together in spiral or agile development environments to meet aggressive customer schedules aimed at near-term field demonstrations. These teams are made up of other software team members and subject matter experts from the areas of systems engineering, hardware, firmware, machine learning, RF front end design, and signal processing.
Principal Embedded Software Engineer- Onsite Curtiss-WrightPrincipal Embedded Software Engineer- OnsiteAshburn, VirginiaImplement and integrate, or debug embedded software including bootloaders (BIOS, SlimBootLoader and U-Boot), device drivers (Linux and VxWorks), customized applications and embedded test software, and product simulation and production test software. Hands-on and demonstrable experience with software development using C/C++, Linux (Red Hat, LynxOS, WindRiver), VxWorks (7.x), Linux and VxWorks device drivers, Scripting(bash/csh), high-level application software, Python, LabVIEW and IPMI.
GPU Software Engineer LeidosGPU Software EngineerArlington, VirginiaJune 8, 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. These teams are made up of other software team members and subject matter experts from the areas of systems engineering, hardware, firmware, machine learning, RF front end design, and signal processing.
Senior Flight Software Engineer Scout SpaceSenior Flight Software EngineerReston, VirginiaAs a Senior Flight Software Engineer , you will lead the development of Scout’s flight software systems for imaging payloads which perform image capture, processing, and data exploitation on orbit using embedded hardware. To conform to US Government space technology export regulations, applicants must be a US citizen, lawful permanent resident of the US, a protected individual as defined by 8 USC 1324b(a)(3), or eligible to obtain the required authorization from the US Department of State.