Security Clearance Jobs in Reston, VA

Senior Red Hat Enterprise Linux (RHEL) EngineerLocation: Colorado Springs, COSchedule: Full-time | Onsite 5 days per weekClearance: Active Secret clearance requiredSalary Range: $120,000-$125,000 annu...

ASRC Federal is a leading government contractor furthering missions in space, public health and defense. As an Alaska Native owned corporation, our work helps secure an enduring future for our shareho...

This position requires office presence of a minimum of 5 days per week and is only located at customer's site.AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, networ...

VDI 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, or de...

SME Network 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 intelligenc...

Job Category: Functional ExpertsRequisition Number: GENER002068Posting Details Posted: April 28, 2026 Full-Time On-site Locations Showing 1 location Reston, VAVi...

Infrastructure Engineer ENGINEER Herndon, VirginiaDirect Hire Sep 8, 2026 Job #9629 - Infrastructure EngineerAs an Infrastructure Engineer in this role, you will be responsible for architecting and ...

As a Palantir Platform Engineer, you will play a pivotal role in integrating custom ETL workflows within the Palantir ecosystem. Your responsibilities will include connecting ETL conditioners to Palan...

OverviewBLUEHAWK is seeking a PM who shall work with the COR on all matters relating to the activities of this SOW. The PM must have a four-year college degree, a solid working knowledge of the range ...

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...

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...

R-00191660Description Leidos, Inc. has an exciting opportunity for a Contracts Manager to support our National Security Sector in Reston, VA. Seeking a motivated self-starter who can work independentl...

DescriptionAt ICF Next Government, we partner with federal clients to modernize digital services through human-centered design. We are seeking a UX Designerto support the design and evolution of feder...

DescriptionLocation: We are open to supporting remote work.Must reside in the United States.Clearance: Ability to obtain and maintain a Federal Public TrustAs a Senior ServiceNow Developer, you will p...

Description *We are open to supporting 100% remote work anywhere within the U.S.* Our Digital Modernization and Experience Group is growing, and we are looking for a talented, highly motivated Change ...

Zachary Piper Solutions is hiring a Datacenter Engineer - TS/SCI FSP for a federal technology program located in Reston, VA. The Datacenter Engineer - TS/SCI FSP will support highly secure environment...

As a Sr. DevSecOps Engineer I, you'll play a critical role in designing, implementing, and maintaining secure and efficient software development and deployment pipelines. You will collaborate with cro...

Network 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, o...

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

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 ~...