Security Clearance Jobs in Fairfax, VA

Date Posted:2026-07-07Country:United States of America Location:US-MA-TEWKSBURY-TB2 ~ 50 Apple Hill Dr ~ SUDBURY BLDG, Tewksbury Tb2 200 Sudbury Position Role Type:Onsite U.S. Citizen, U.S. Person, o...

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-B...

MTSI is seeking a Senior Defense Technologist for electromagnetic warfare, you will help shape the Department's understanding of advanced EW systems and their impact on future warfighting architecture...

Riverside OverviewRiverside Research is an independent National Security Nonprofit dedicated to research and development in the national interest. We provide high-end technical services, research and ...

Riverside OverviewRiverside Research is an independent National Security Nonprofit dedicated to research and development in the national interest. We provide high-end technical services, research and ...

Job Number: R0236780Data Engineer, Mid The Opportunity: Ever-expanding te chn ology like IoT, machine learning, and artifi cia l intelligence means that there's more structured and unstructured data a...

Job Number: R0243480Mission Manager The Opportunity: Critical decisions are made every single day in support of our nation's defense. What if you could use your analytical skills and operational minds...

Job Number: R0246393DevOps EngineerThe Opportunity:Everyone is trying to "harness the cloud," but not everyone knows how. As a DevOps engineer, you're eager to develop, manage, and secure a container ...

Job Number: R0250044AI and ML EngineerThe Opportunity: As a programmer, you know that machine learning (ML) is critical to understanding and processing massive datasets. Your ability to conduct statis...

Job Number: R0251133Learning Platform Experience DesignerThe Opportunity:As a Learning Platform Experience Designer, you'll support learning technology and digital transformation enterprise workforce ...

Job Number: R0250935Pricing AnalystThe Opportunity:Manage the cost and price proposal process to ensure all submissions are accurate, compliant, and complete, meeting external client requirements, com...

Job Number: R0250911Information System Security OfficerThe Opportunity:We're looking for an Information System Security Officer (ISSO) responsible for assessing and requesting customer authorization f...

Job Number: R0250862Learning SpecialistThe Opportunity:Provide strategic and tactical advice and develop learning solutions on learning technology systems and cloud-based technologies, including learn...

Job Number: R0249992Physical and Technical Site Security ManagerThe Opportunity:Perform a wide range of functions to ensure the protection of company and government sensitive and classified informatio...

OverviewJoin a team where innovation meets mission. Our AI, cloud, cyber, and modernization solutions save agencies thousands of hours, safeguard national security, and strengthen health and humanitar...

Position Description: CGI is seeking an individual with a broad strategic perspective and demonstrated performance to lead the execution of strategic and tactical business development activities and ...

Platform Network Administrator with active TS/SCI Clearance with CI Polygraph needed for a Long Term Contract opportunity with SOC's direct client for an onsite role based McLean, VA . **Due t...

Senior Network Engineer with active TS/SCI Clearance with CI Polygraph needed for a Long Term Contract opportunity with SOC's direct client for an onsite role based McLean, VA . **Due to feder...

Zachary Piper Solutions is looking for a Physical/Electronic Project Manager to join a design services company for mission critical systems. This is based in Tysons, VA.**Opportunity to get processed ...

OverviewAbout M.C. DeanM.C. Dean is Building Intelligence. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, comp...