Security Clearance Jobs in Reston, VA

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...

Software EngineerHerndon, 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 intelligence, ...

Systems IntegratorHerndon, 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 intelligence,...

Process Improvement AnalystHerndon, 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 inte...

Senior Operations Research Analyst Trainer Reston, VAApplyBarbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense ...

Company OverviewIridium is an award-winning satellite communications company operating the world's only truly global voice and data network, delivering reliable connectivity anywhere on Earth. For mor...

Job Category: IT Infrastructure and OperationsRequisition Number: NETWO002207Apply nowPosting Details Posted: July 9, 2026 Full-Time On-site Salary Range: $164,382.4...

Data Engineer/ETL Engineer Chantilly/Herndon, VAApplyDark Wolfconstructs and deploys data management and analytics solutions for the defense and intelligence communities. We’re proud to boast a world-...

Location: Reston, VAWe are seeking a talented Front-End Software Engineer with a strong foundation in computer science and an eye for thoughtful UI/UX design. You’ll build sophisticated web applicatio...

Task Force Talent is seeking Full Stack Software Engineers (all levels - Junior/Senior/Expert)(many openings)with anactive TS/SCI FSPsecurity clearance.We have multiple clients, ranging in size from ~...

Location: Reston or Springfield, VAClearance Requirement: Top Secret with SCI EligibilitySalary Range: $80,000-$200,000+Job Description:Come join the future of data-driven decision making! At Data Mac...

OVERVIEW: We are seeking a Technical Writer to join our team and support our mission critical customer in Reston, VA. As our Technical Writeryou would provide coordination and authoring of technical w...

OverviewSecurity represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world...

Piper Companies is seeking a Datacenter Engineer to join a leading organization within the cybersecurity and critical infrastructure sector for a remote contract-to-hire opportunity based in Reston, V...

Piper Companies is hiring a Alternate Facility Security Officer (AFSO) - CI Polygraph for a world wide technology company located in Reston, VA. The Alternate Facility Security Officer (AFSO) - CI Pol...

Piper Companies is seeking a CSSO (Contractor Special Security Officer) to support a leading government services organization managing classified programs and secure facilities. The Contractor Special...

Piper Companies is hiring a DevOps Engineer with a TS/SCI CI Polygraph for a large technical organization located in Reston, VA. The DevOps Engineer - TS/SCI Full Scope Poly will be designing, impleme...

R-00191549Description Leidos is in need of a software applications developer to support a dynamic and exciting software development program. This position will be part of a team of applications develo...

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what's happening now and shape what's coming next. Vantor is a place for problem solvers, ch...