Security Clearance Jobs in Herndon, VA

This position require for the individual to oversee process of the declassification of documents related to litigation cases, such as civil or criminal cases. Must be detail oriented to record the chr...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Oversee and manage comprehensive software, hardware, and network systems. ̶...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Oversee and manage comprehensive software, hardware, and network systems. ̶...

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...

Job Number 721245BR Description:The National Security Space (NSS) Stakeholder Engagement Representative is responsible for strategically planning, coordinating, and managing NSS stakeholder engagemen...

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...

Cloud Software Engineer Herndon, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it's architecting critical IT solutions, producing actionable int...

The application window is expected to close on: 04/24/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received . The successful applic...

Title:Senior Platform Engineer/Kubernetes SMEBelong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in...

Title:Contracts Manager - TS/SCI Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelli...

R-00179954Description Looking for an opportunity to make an impact? Unleash your potential at Leidos, where we deliver innovative solutions through the efforts of our diverse and talented people ...

R-00179963Description The AGUN program is a highly demanding mission and requires expert technical and professional management to support the Army’s global wide area network and security infrast...

R-00179952Description Software Development Manager (SITE III / Directorate Operations)Location: Herndon, VA​Clearance: Active TS/SCI with Polygraph (or SCI Eligibility). Must be US citizen to ob...

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...

R-00179996Description We are seeking a dynamic Travel Construction Manager (Civil Engineer) to support the National Airspace System Integration Support Contract (NISC IV). In this role, you will suppo...

R-00179758Description Overview: Gibbs & Cox, a Leidos company, is the nation's premier maritime services, naval architecture, marine engineering, and design firm, backed by the global resource...

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...

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...

OverviewSilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (...