Security Clearance Jobs in Herndon, VA

Description Clearance Requirement Must possess an active Top Secret clearance. Only fully adjudicated clearances are acceptable. Interim clearances will not be accepted. SCI active or eligible. U.S. ...

DescriptionAs a Business Development/Capture Manager for AWS focusing on the National Security market segment, you will have the exciting opportunity to help shape and deliver on a strategy to build m...

Job Category: Cyber and IT Risk ManagementRequisition Number: CYBER002171Posting DetailsPosted: June 18, 2026Full-TimeOn-siteSalary Range: $187,179.20 USD to $318,198.40 USDJob DetailsDescriptionGCI e...

Intelligent. Dynamic. Resilient. Everfox, formerly Forcepoint Federal, has been defending the world's most critical data and networks against the most complex cyber threats imaginable for more than 25...

Customer Engagement Manager 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 actionabl...

R-00185580Description 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-00185543Description Leidos is seeking a Systems Administrator to support the Military OneSource program. This is a full-time remote role supporting a government customer and requires strong breadth ...

R-00185583Description Leidos is seeking a Sr. Network Security Engineer to join our AGUN Migration team.  This position will be 100% remote with some associated travel. The AGUN program is a high...

R-00183601Description Leidos is hiring an energetic, motivated, innovative individual to be a part of our team supporting Center for Medicare and Medicaid Services (CMS) in Baltimore, MD. The Cloud En...

Position Description & QualificationsSerco is excited to support the Air Force Modeling and Simulation Support Services (AFMS3) contract. The primary purpose of this contract is to ensure that the Dep...

Position Description & QualificationsSerco is excited to support the Air Force Modeling and Simulation Support Services (AFMS3) contract. The primary purpose of this contract is to ensure that the Dep...

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-00185709Description Leidos delivers innovative solutions through a diverse, talented team dedicated to making the world safer, healthier, and more efficient through information technology, engineeri...

R-00185735Description The Identity Access Management SME serves as the senior technical authority for enterprise IAM capabilities supporting the SEC ISS contract. This role leads the design and govern...

R-00183914Description The End-Point Protection Engineer-_4 provides senior engineering support for enterprise endpoint security across the SEC ISS contract environment. This role designs, implements, ...

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...

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...

Job Description Readiness Delivered. Kratos Defense & Security Solutions develops and fields transformative, affordable technology, platforms, and systems for United States National Security related c...