Full-time Jobs in Reston, Virginia, United States

Leidos National Security Sector’s Mission Solutions Business Area seeks a Chief Engineer to lead multidisciplinary teams in enhancing U.S. DoD counter WMD capabilities through advanced modeling and simulation. Based in Reston, VA, this full-time role drives technical strategy by integrating BIM, AI/ML, and digital twin technologies into engineering workflows.

CapTech is an award-winning consulting firm partnering with Fortune 100 companies, mid-sized enterprises, and government agencies to deliver technology-driven solutions. As a Python Developer, you will design, develop, and deploy Python-based applications and systems, write clean and maintainable code, collaborate with architects and designers, conduct testing and debugging, participate in code reviews, and work closely with clients to understand technical requirements and provide innovative sol

Program Management Office at Inadev leads the delivery of a large federal IT modernization platform. The Program Manager owns scope, schedule, budget, and quality for Phase 2, directs a matrixed team of 150+ across development, security, data, and DevSecOps, and champions AI‑augmented engineering practices.

AT-RISK International seeks a Staff Accountant in Reston, Virginia to support its Finance function and corporate reporting. The role involves performing general ledger accounting, managing monthly close processes, and maintaining financial schedules.

Base-2 Solutions seeks a Nuclear Weapons Analyst for its Reston, VA office. The role conducts all‑source technical analytic production on foreign nuclear weapons programs, assessing production, inventory, doctrine, testing, modernization and proliferation.

In-Space Systems business unit at Blue Origin develops deep‑space communications infrastructure like NASA’s Mars Telecommunications Network. Mission Systems Engineers define and mature the integrated ground system and mission operations capability, leading requirements, verification, validation, and interface definition to ensure reliable relay services.

Bright Vision Technologies seeks an AI Applications Engineer to design and operationalize fine-tuning workflows for large language models using supervised, preference-based, and reinforcement learning approaches. The role involves executing complex training pipelines on GPU clusters, constructing datasets, and mentoring junior engineers while collaborating with cross-functional teams.

Cerity Partners, a sophisticated tax and advisory practice serving family offices and real estate sponsors, seeks a Senior Tax Manager to lead complex return preparation and client strategy. This fully remote role involves reviewing partnership and trust returns, managing multi-state tax issues, and mentoring staff while maintaining deep client relationships.

Blue Origin seeks an Aerospace Systems Engineer I to support the mission of developing reusable space vehicles for millions living in space. The role involves designing systems infrastructure, managing requirements, and leading technical reviews across fluid, mechanical, and propulsion systems.

The IT Audit Director – Cyber, AI and Cloud at Fannie Mae leads audits across the company's cloud-based IT environment, focusing on AI, cyber security, IT governance, and resiliency. Day-to-day, you direct and oversee complex technical audits, conduct hands-on testing, develop annual audit plans around emerging IT risks, and coach and mentor IT auditors while building relationships with business partners.

Platform Engineering Team within SAP Global Sovereign Cloud Delivery & Operations builds and operates the internal Sovereign Cloud environments used as reference for regional operations. The Expert DevOps Engineer designs, automates, and secures CI/CD pipelines and cloud infrastructure on Azure, AWS, and GCP, mentors engineers, and drives process optimization.

Blue Origin seeks an Early Career Guidance, Navigation & Control Engineer to support the mission of enabling millions to live and work in space. You will design, analyze, and verify GN&C software for reusable space vehicles while performing system simulations and trajectory optimizations.

Leidos research team develops physics‑based digital twin models of complex industrial processes for national defense. The Senior Physicist leads algorithm development, high‑fidelity simulations, and data analysis to identify structural vulnerabilities and support effects‑based assessments.

Peraton's Summer 2027 Internship Pipeline seeks rising juniors and seniors for a ten-week program focused on national security and space intelligence missions. Interns gain hands-on experience in disciplines like engineering, software development, and finance while participating in professional development activities.

Peraton's Spring/Summer 2027 University Entry-level STEM Pipeline collects applications for future engineering roles across its national security programs. Candidates will be aligned to projects supporting the design, development, and deployment of intelligence collection systems and enterprise IT solutions.

Corporate IT team at Distributed Solutions, Inc. provides technical support and builds Microsoft-based infrastructure for the company. The role assists employees with Windows, Microsoft 365, and device issues while learning system administration, Azure, and PowerShell alongside senior engineers.

Verisign seeks a Product Management Director to execute strategy for emerging DNS services in Reston, VA. The role owns product strategy from market opportunity through commercialization, partnering with internal and external stakeholders. This hybrid position drives product definition, solution plans, and ecosystem partnerships to optimize the portfolio.

Strategic Program Management team at Fannie Mae drives enterprise strategic initiatives that advance housing finance innovation. The Senior Associate partners with Finance, Marketing, Product and Operations leaders to translate priorities into actionable plans, monitor progress, and deliver data‑driven insights.

Anduril Industries is transforming U.S. military capabilities through its Lattice OS platform, delivering advanced autonomy and AI-driven systems. As a Mission Software Engineer in Reston, Virginia, you will develop and deploy software solutions for networking, robotics, and systems integration to ensure seamless product performance.

Business Analyst/Quality Assurance on Inadev's delivery team, supporting requirements and analysis for IT projects. Works with Product Owners and engineers to elicit, document, and validate business and functional requirements, write user stories and acceptance criteria, and assist with UAP and sprint planning.