Security Clearance Jobs in Herndon, VA

Job Category: IT/TechnicalRequisition Number: PCTEC002290***One Year Temp Position***Titan Technologies, LLC (Titan) is seeking an experienced, self-directed, PC Technician to support the Special Oper...

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-B...

Agensys is seeking an Identity Data Analyst to turn identity and access data into actionable findings, risk indicators, remediation work, and leadership reporting. This seasoned analytical role requ...

Application deadline: Oct 21, 2026Do you have hands-on experience in High Performance Computing (HPC) or High Throughput Computing (HTC)? Do you want to make a huge impact on a dynamic, fast moving bu...

Title: Software Engineer Location: Herndon, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence...

OverviewThe Software Engineer will design, develop, code, test, and debug complex software products to be deployed in a mission critical environment. The ideal candidate is a hands-on developer with s...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Test complex software applications and scalable microservices-based backend arch...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Test complex software applications and scalable microservices-based backend arch...

Suvi Global Services is looking for a talented Jr. DevOps Engineer to add to their dynamic team supporting highly visible federal contracts. This role supports and provides security monitoring and au...

ResponsibilitiesThe Sponsor's Digital Workforce Solutions component within the organization's Enterprise Data Management (EDM) element requires a Systems Architect to assess current "as-is" architectu...

Zachary Piper Solutions is looking for a Java Application Developer to join large federal program. This is fully onsite in Herndon, VA and a full time position.**Mission essential program. Fully funde...

R-00194717Description Few IT jobs come with a mission like this one! Leidos is looking for a Senior Systems Engineer to support the United States Antarctic Program (USAP) under the National Science Fo...

R-00194761Description Leidos Health and Services Sector currently has an opening for a Support Navigator to work remotely. This is an exciting opportunity to use your experience helping the Military O...

R-00194682Description Searching for an ship and shipyard designer with specific experience conducting finite element model for whole-ship model, ship-lift, docking, ship and the ship support system, t...

R-00194672Description Leidos, a leading defense, intelligence, and technology company, is seeking motivated and aspiring technology students for our Summer 2027 Internship Program (Starts May 2027). A...

R-00194668Description Leidos, a leading defense, intelligence, and technology company, is seeking motivated and aspiring technology students for our Summer 2027 Internship Program (Starts May 2027). A...

Responsibilities & QualificationsRESPONSIBILITIES Serve as the Tier 3 escalation point for complex AV, VTC, and collaboration system issues. Provide operations and maintenance support for enterprise...

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...

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...