Security Clearance Jobs in Herndon, VA

Date Posted:2026-09-28Country:United States of America Location:US-MA-MARLBOROUGH-MA3 ~ 1001 Boston Post Rd ~ BLDG 3 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Require...

ClearanceJobs, on behalf of our confidential customer is seeking a System Administrator who will provide IT and cyber-systems security support. This is a 100% on-site position supporting the Space and...

AWS Applied AI Solutions (AAIS) is building toward a future where every business innovates with Amazon AI teammates.To get there, we build AI solutions that improve human capabilities and transform en...

Join the AWS National Security Business Contracts team in a pivotal role as a Business Contracts Manager. In this position, you'll manage the full lifecycle of Task Orders under a major competitive Fe...

Azure Pipeline Deployment 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 actionab...

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...

Position: Systems Administrator - Linux Location: Warrenton, VA Remote Status: On-Site Job Id: ...

Transform technology into opportunity as a Software Engineer Senior at GDIT. Shape what's next for mission-critical government projects while shaping what's next for your engineering career.MEANINGFUL...

Job Number 17877 Standard Job Description By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex ...

Job Number 17876 Standard Job Description By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex ...

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...

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-00194105Description The Leidos team supporting the Deputy Assistant Secretary of the Air Force for Operational Energy has an opening for an Operational Energy Data Analyst. Leidos supports the Deput...

R-00194860Description Leidos seeks a Senior Multi-Cloud Architect to provide hands-on technical leadership for secure, resilient, cost-effective applications and cloud services supporting the Centers ...

R-00194842Description The Leidos Mission Driver Enablement Center (MDEC) Infrastructure Operations Team has an opening for a Senior Windows Server Engineer to support our Enterprise IT Operations Cen...

R-00194272Description Senior Program Manager – DCPDS Leidos is seeking an accomplished Senior Program Manager (PM) to lead the operation, sustainment, modernization, and lifecycle management of ...

R-00194783Description The DoW Healthcare Management System Modernization (DHMSM) Program is looking for an experienced ISSO/ISSE to join our cyber team in support of the continued development, sustain...

R-00194848Description Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our cust...