Security Clearance Jobs in Mc Lean, VA

This team is charged with developing elements of IC geolocation product lines that address operational requirements from the warfighter. With this team, you'll be exposed to multiple discipline areas ...

ClearanceJobs is aiding their partner in search of a Classified Mail Courier. The selected candidate will be responsible for the safe and efficient transportation of mail, packages, parcels equip...

Position Description: Software Engineer [TS/SCI + FSP] REQUIRED SKILLS Software Engineering • Demonstrated experience in technical project management with full lifecycle software development. • Demo...

Job DescriptionSupport our client with program management tasks including status tracking, scheduling, coordination, and risk management. Provide accurate and timely technical and programmatic report...

THIS POSITION REQUIRES FREQUENT TRAVEL IN THE DOMESTIC U.S.By Light is seeking an experienced HPE/ Aruba Network Engineer to perform Lan/WLAN network design, development, installation/configuration, p...

Data ScientistMcLean, VATS/SCI with PolyAt Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence, or d...

About Agile DefenseAt Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spiri...

Job Category: IT Infrastructure and OperationsRequisition Number: SYSTE002292Apply nowPosting Details Posted: September 8, 2026 Full-Time On-site Locations Showing...

Careers at Customer Service Support Specialists REQUIRED: Active TS/SCI with Full Scope PolygraphLOCATION: Full-time onsite in Tyson's Corner, VAAs a Customer Service Suppor...

OverviewCompany Overview: Allied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynam...

OverviewCompany Overview: Allied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynam...

Amentum is seeking a Task Manager to support our customer onsite in McLean, VA. Supports Senior executive-led organizations at the Director level Receives tasking via multiple vehicles and systems Pr...

R-00192560Description Leidos Intelligence Group is seeking a Data Scientist with a strong understanding of various data complexities and experience managing data backlogs and analyzing the data and re...

Job Number: R0246002Nuclear Policy Analyst The Opportunity: As a nuclear analyst, you're passionate about the safe, efficient, and compliant operation of nuclear facilities, programs, and policies . W...

Job Number: R0248721Operations Research AnalystThe Opportunity:As an operations analyst, you're passionate about exploring the root cause of an issue and then analyzing, reporting, and developing reco...

Job Number: R0249645Nuclear Policy Analyst The Opportunity: As a nuclear analyst, you're passionate about the safe, efficient, and compliant operation of nuclear facilities, programs, and policies . W...

Drive the design, development, and deployment of artificial intelligence and data science solutions that help organizations turn data into business value. This role focuses on building scalable models...

Our Deloitte Enterprise Performance team is at the forefront of enterprise technology, working across finance, supply chain, and IT operations to deliver holistic performance improvement and digital t...

About Agile DefenseAt Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spiri...

About Agile DefenseAt Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spiri...