Security Clearance Jobs in Fort Belvoir, VA

Senior Network EngineerGES is seeking a Sr. Network Engineer to support large-scale operations on a large, high-profile DOD contract. The I3TS program provides enterprise-wide IT support to enable DTR...

GES is seeking a Senior Communications Security (COMSEC) Engineer in Fort Belvoir, VA to support large-scale migration and operations on a large, high-profile DoW contract. The I3TS program provides e...

GES is seeking a Senior AIOps Engineer to support critical mission operations within a secure environment and lead the transformation of our IT Service Management (ITSM) capabilities. This role is res...

Desktop Installation Technician*****Short Term Assignment April 15, 2026 - October 31, 2026*****This could be a little longer.We are seeking a skilled and motivated Desktop Installation Technician to ...

SMX is seeking a Cybersecurity SME Senior SIGINT to support GISA at Fort Belvoir, VA. The successful candidate will have experience working as an ISSO on large Department of Defense contracts and lead...

Company DescriptionFounded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions,...

Company DescriptionFounded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions,...

Company DescriptionFounded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions,...

This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. Program Manager - Senior Position / LCAT: Program Manager L...

This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. Mission Trainer - Senior Position / LCAT: Mission Trainer ...

This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. .NET / C# Developer - Senior Position / LCAT: .NET / C# De...

This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. Microsoft System Administrator (Senior / Junior) Position ...

This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. North Point Technology is hiring a Data Integration Lead t...

This job requires active TS/SCI clearance and agree to CI Polygraph post-hire. North Point Technology is hiring an Intelligence Solutions Integrator Lead to support our INSCOM Data Capabilities Divis...

This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. Messaging Manager (Senior / Mid) Position / LCAT: Messagin...

This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. Intelligence Sharing Specialist - Mid Position / LCAT: Int...

Full Time, Ft. Belvoir, VASecret clearance required**This position is contingent upon government approval**Overview:Semper Valens Solutions is seeking an experienced Cloud Architect to support our org...

Full Time, Ft. Belvoir, VASecret clearance required**This position is contingent upon government approval**Overview:Semper Valens Solutions is seeking an experienced Security Specialist to support our...

Full Time, Ft. Belvoir, VASecret clearance required**This position is contingent upon government approval**Overview:Semper Valens Solutions is seeking an experienced System Engineer to support our org...

Full Time, Ft. Belvoir, VASecret clearance required**This position is contingent upon government approval**Overview:Semper Valens Solutions is seeking an experienced Cybersecurity Specialist to suppor...