Security Clearance Jobs in Chantilly, VA

About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...

About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...

TS/SCI Position Senior-level Systems Engineers guide engineering teams in taking a multi-discipline approach to requirements engineering, solutions engineering, scheduling, reliability, resiliency, se...

ResponsibilitiesArcfield is seeking a motivated Junior Systems / Mission Engineer to support the development and integration of advanced space-based sensing and mission capabilities supporting nationa...

Title:Associate Specialist Subcontracts AdministratorAt KBR, we deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 pe...

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purp...

Join the Dewberry Team! Are you looking for a rewarding opportunity to help our country with disaster recovery work? Dewberry maintains a cadre of skilled professional and technical staff in an on-cal...

Your work days are brighter here.We’re obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing p...

Junior Software DeveloperHybrid, onsite in Vienna, VA and Chantilly, VA with up to 3 days remote.TS/SCI with PolyAt Bcore, our strength comes from how we deliver impact to the mission. Whether it’s ar...

Senior Network ArchitectChantilly, VATS/SCI with PolyAt Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intel...

SME Network EngineerChantilly, VATS/SCI with PolyAt Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intellige...

Riverside Research is an independent National Security Nonprofit dedicated to research and development in the national interest. We provide high-end technical services, research and development, and p...

Applications for this position will be accepting through November 22, 2026. This position may be filled prior to the posted deadline. Interested candidates are encouraged to apply as soon as possibl...

Applications for this position will be accepted through 11/16/26. Tuknik Government Services, LLC a Koniag Government Services company, is seeking a Business Analyst - Tester with a Secret security ...

Applications for this position will be accepted through 11/16/26. Tuknik Government Services, LLC a Koniag Government Services company, is seeking a Developer - Power Platform with a Secret security...

Applications for this position will be accepted through 11/16/26. Tuknik Government Services, LLC a Koniag Government Services company, is seeking a Developer - GenAI with a Secret security clearanc...

Applications for this position will be accepted through 11/16/26. Tuknik Government Services, LLC a Koniag Government Services company, is seeking a Business Analyst - Customer Support with a Secret...

Applications for this position will be accepted through 11/16/26. Tuknik Government Services, LLC a Koniag Government Services company, is seeking a Technical Team Lead with a Secret security cleara...