Top Secret / SCI Clearance Jobs

A growing spacecraft manufacturer is looking for a Senior or Principal-level GNC/ACS Engineer to take ownership of guidance, navigation, and attitude control system work across both commercial and nat...

Clearance Required: Active TS/SCI with the ability to obtain & maintain a Polygraph Location: Herndon, VA | On-Site Full-Time Contract: Long-term federal GEOINT program — work assured through at least...

Basic QualificationsBachelor's degree in a related specialized area or field or equivalent is required plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of...

R-00192130Description Leidos has a new and exciting opportunity for a Financial Services Budget Formulation & Execution Analyst in our Analysis Solutions Business Area (ASBA).  Our talented t...

R-00192097Description Network Engineer Location: Pearl Harbor, HawaiiSecurity Clearance: Active TS/SCI RequiredLeidos is seeking a Network Engineer to support forward deployed mission operations at th...

R-00192104Description Leidos is seeking an experienced Contractor Program Security Officer (CPSO) to join our Security team in Huntsville, Alabama. This position will provide security leadership and o...

R-00192042Description Leidos is seeking a talented AI/LM Intern for Summer 2027. In the Leidos Autonomy and Artificial Intelligence branch, you will work to solve complex engineering problems with a h...

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...

MANTECH seeks a motivated, career and customer-oriented Tier 1 Cybersecurity Analyst to join our Cybersecurity Operations Center (CSOC) team in Boulder, CO. This role is vital for providing 24/7/365 c...

OverviewSystems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are ...

OverviewSystems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are ...

OverviewSystems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are ...

OverviewSystems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are ...

OverviewSystems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are ...

OverviewSystems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are ...

OverviewSystems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are ...

OverviewSystems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are ...

OverviewSystems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are ...

OverviewSystems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are ...

OverviewSystems Planning and Analysis, Inc. (SPA) delivers high-impact, technical solutions to complex national security issues. With over 50 years of business expertise and consistent growth, we are ...