Top Secret / SCI Clearance Jobs

AV is seeking a self-motivated, proactive, and result-oriented Senior Machinist/Model Maker to lead technical execution and support ongoing and future research and development efforts for a dynamic, c...

ClearanceJobs is actively seeking a Senior .NET Software Engineer for our client located in Herndon, VA. ClearanceJobs is the largest career network for professionals with federal government security ...

External Header Source: External Applicants Only Open: 2026-08-31 Closed: 2026-09-12 Band: 04 Location: St Louis, MO Cover Letter Applicants are not required to submit a cover letter for employment co...

Cover Letter Applicants are not required to submit a cover letter for employment consideration with the National Geospatial-Intelligence Agency. However, a cover letter is recommended. Applicants wi...

Title:UABOS Spain: War Reserve Material (WRM) Corrosion Control Specialist / Welder (AGE)Belong, Connect, Grow, with KBR! Program Summary KBR supports the operational needs of U.S. armed forces at Mor...

Title:UABOS Spain: WRM-AGE Tool Crib/TMDE-PMEL/HAZMAT-Material Control SpecialistBelong, Connect, Grow, with KBR! Program Summary KBR supports the operational needs of U.S. armed forces at Morón Air B...

Title:UABOS Spain: Quality Assurance Technician (AGE)Belong, Connect, Grow, with KBR! Program Summary KBR supports the operational needs of U.S. armed forces at Morón Air Base in Spain and several bas...

Title:UABOS Spain: War Reserve Equipment Technician (AGE)Belong, Connect, Grow, with KBR! Program Summary KBR supports the operational needs of U.S. armed forces at Morón Air Base in Spain and several...

Title:Systems Engineer Technical Analyst (SETA)KBR is seeking a Systems Engineer Technical Analyst (SETA). The Technical Professional (SETA) provides systems engineering and analytical support to help...

Title:Desk OfficerBelong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and natio...

NineFX is seeking a Systems Engineer Level 3 to lead senior‑level systems engineering, technical planning, and infrastructure operations across highly complex enterprise environments. This role suppor...

NineFX is seeking a Systems Engineer Level 3 to support advanced systems engineering activities across Linux/Unix, Windows Server, VMware ESXi, Dell/HP server hardware, and NetApp storage environments...

NineFX is seeking a Systems Engineer V to serve as a senior technical authority for enterprise network architecture across large, mission‑critical, and geographically distributed government environmen...

NineFX is seeking two Systems Engineer V professionals to serve as senior technical authorities for enterprise storage engineering across large, mission‑critical government environments. This role pro...

Job #: 3050162 Apex Systems is currently hiring a Program Manager with a large federal client. As a Program Manager, you will transform technology into opportunity by connecting and enhancing critica...

RTI is seeking a Sr. Budget/Finance Analyst for a current contract located in Springfield, VA. The current contract pop goes till December and then will become another contract. This is a KEY POSI...

NineFX is seeking a Systems Engineer V to lead enterprise datacenter modernization initiatives, direct multi‑domain virtualization environments, and architect advanced NetApp storage solutions. This s...

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...