Top Secret / SCI Clearance Jobs

Job Number: R0250384Software Developer, SeniorThe Opportunity: As a full-stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking ...

Offensive Security Software Engineer - Attack Engineer TS Clearance Required 90% Remote. On site work required in great DC Metro occasionally, must be open to occasional travel Level 4 & Staff-Level ...

Position Description & QualificationsLooking for an opportunity at a place where you can have an influence every day? Then Serco has the right opportunity for you! As a Senior Security Control Assesso...

Date Posted:2026-10-09Country:United States of America Location:US-VA-ALEXANDRIA-7900-CUST ~ 7900 Telegraph Rd ~ 7900-CUST (External Site) Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immi...

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...

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 Site Security Representative to join our team in Cherry Point, NC. This is an onsite position protecting our nation's most sensitive programs. T...

MANTECH seeks a motivated, career and customer-oriented Site Security Representative to join our team in Cherry Point, NC. This is an onsite position protecting our nation's most sensitive programs. T...

SMX is seeking a Network Administrator to join our team supporting NAVAIR at Patuxent River, MD. This is a mid-level role supporting enterprise network infrastructure, boundary services, cybersecurity...

OverviewPlease note that this position is contingent upon the successful award of a contract currently under bid. Global in service but local in approach, Nisga'a Tek is committed to high-quality serv...

OverviewPlease note that this position is contingent upon the successful award of a contract currently under bid. Global in service but local in approach, Nisga'a Tek is committed to high-quality serv...

OverviewPlease note that this position is contingent upon the successful award of a contract currently under bid. Global in service but local in approach, Nisga'a Tek is committed to high-quality serv...

SMX is looking for a highly motivated Linux Systems Administrator with demonstrated experience performing System Administration functions on Aircraft or Weapons Systems networks, and maintaining and u...

OverviewPlease note that this position is contingent upon the successful award of a contract currently under bid. Global in service but local in approach, Nisga'a Tek is committed to high-quality serv...

OverviewGoldbelt C6 offers research and development, engineering, and logistics services that enhance and enlarge customers' operations. C6's expertise is focused on integrating C6ISR and scientific, ...

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 ...

Network-System Administrator 1 will organize, install, and support government organization's computer systems, including local area networks (LAN), wide area networks (WAN), network segments, intranet...

Program Security Representative (PSR) 1 Theprimary function is to provide multi-discipline security support for one or more of the customer's Special Access Programs (SAP). The position will provide "...

Activity Security Representative 1's primary function is to provide multi-disciplined security support to a customer's facility and organization. The position will provide "day-to-day" support for Col...

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 ...