Security Clearance Jobs in Reston, VA

Senior AWS Cloud Systems Operations Administrator Full Time, San Antonio, TX Secret clearance w/ TS/ SCI eligibilityJob Responsibilities: Provides subject matter proficiency for work described in the ...

Fantom Corporation is a mission-focused organization supporting critical programs across the defense and intelligence community. We partner with our customers to deliver high-impact technical solution...

Systems EngineerReston, VA9/16/2025...

Senior Operations Research Analyst Trainer Reston, VAApplyBarbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense ...

Job Description See what you're missing. Our employees work on the world's most advanced electronics - from detecting threats for F-35 pilots to illuminating the night for soldiers. Spanning air, land...

Location: Reston, VAWe are seeking a mid-level Software Development Engineer in Test (SDET) to help build and mature the testing infrastructure supporting production software for simulation, optimizat...

Location: Reston, VASecurity Clearance: TS/SSBI/SCIWe’re looking for a mid-level Infrastructure Engineer to build, deploy, and operate the systems that support mission-focused software in production.Y...

Location: Reston, VAWe’re looking for a mid-level Rust Software Engineer to build and optimize high-performance software supporting simulation, optimization, and decision support in mission-focused en...

Cyber Security EngineerREQUIRED: Active TS/SCI with Full Scope PolygraphLOCATION: Full-time, onsite, Herndon, VAWe are looking for a mission-focused Cyber Security Engineer to evaluate cloud architect...

REQUIRED: Active TS/SCI with Full Scope PolygraphLOCATION: Full-time, onsite, Herndon, VAWe are looking for a mission-focused Cyber Security Analyst to evaluate cloud architectures, conduct technical ...

OverviewVTG is seeking a Close Support Technician II who is r esponsible for providing in-depth support and problem resolution for Information Technology products, access administration, and/or applic...

ASRC Federal is a leading government contractor furthering missions in space, public health and defense. As an Alaska Native owned corporation, our work helps secure an enduring future for our shareho...

Piper Companies is seeking an AFSO - TS/SCI CI Poly for a leading technology organization in the Reston, Virginia area. The AFSO - TS/SCI CI Poly role is a fully onsite position with 5 days onsite in ...

OverviewAllied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and ...

OverviewAllied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and ...

AFO is looking for a Full-Time Security Officer to work in Reston, VA. This position requires current TS/SCI or current TS with the ability to obtain a SCI endorsed clearance. To join our team of ou...

OverviewCommercial Engineering & AI (CEAI) partners with stakeholders to transform Microsoft support through AI-native engineering, modern platforms, and intelligent customer experiences. Our teams de...

Acclaim Technical Services, founded in 2000, is a leading language and intelligence services company supporting a wide range of U.S. Federal agencies. We are an Employee Stock Ownership Plan (ESOP) co...

R-00191137Description Kurdish LinguistMake a Global Impact – Join the Mission at LeidosAre you ready to apply your linguistic expertise to meaningful work that directly supports national securit...

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,...