Security Clearance Jobs in Mc Lean, VA

Principal MLOps EngineerRemote, US; DMV; McLean, VA; Boston, MA; San Antonio, TX; Colorado Springs, CO; Tampa, FL; Honolulu, HIThis is a U.S. based position. All of the programs we support require U.S...

As a Security Patrol Driver, you will serve and safeguard clients in a range of industries such as Commercial Real Estate, Healthcare, Education, Government and more. Responsibilities: Provide custo...

Careers at Data Scientist REQUIRED: Active TS/SCI with Full Scope Polygraph clearanceLOCATION: Full-time, onsite in McLean, VAWe are seeking a Data Scientist with hands‑on e...

Zachary Piper Solutions is seeking a Senior Software Integration Engineer to support a Government Consulting partner located in Lanham, MD (office moving to Tysons Corner, VA Summer 2026) through a hy...

R-00185282Description The Leidos Intel Sector has an opening for a TS/SCI with polygraph cleared Executive Officer (EXO) seeking a rewarding and challenging opportunity supporting Division level manag...

R-00185272Description Leidos has a new and exciting opportunity for an Identity Intelligence Analyst in our Intel Sector Analysis Solutions Business Area (ASBA) in McLean, VA.   Our talented team...

R-00185250Description Leidos is seeking an experienced Identity Intelligence Instructor for our client’s operational requirements on a mission focused program within a challenging, dynamic setti...

Swift is a privately held, mission-driven and employee-focused services and solutions company headquartered in Reston, VA. Our capabilities include Software Development, Engineering & IT, Data Science...

Mission Support GeneralistPosition Type: Full-Time, ExemptWork Location: Chantilly, VA; McLean, VAClearance: TS/SCI with polygraphShift: M-F 9A-5P Patriot Group International Inc. (PGI), voted #1 Best...

Principal Support AdministratorPosition Type: Full-Time, ExemptWork Location: Chantilly, VA; McLean, VAClearance: TS/SCI with polygraphShift: M-F 9A-5P Patriot Group International Inc. (PGI), voted #1...

Mission Support Administrator - DevelopmentalPosition Type: Full-Time, ExemptWork Location: Chantilly, VA; McLean, VAClearance: TS/SCI with polygraphShift: M-F 9A-5P Patriot Group International Inc. (...

Mission Support Administrator - Full PerformancePosition Type: Full-Time, ExemptWork Location: Chantilly, VA; McLean, VAClearance: TS/SCI with polygraphShift: M-F 9A-5P Patriot Group International Inc...

JOB SUMMARY This position Supervises Security Officers, Lead Officers, and other company personnel at assigned client site(s). May perform duties of Security Officer within the scope of the assignmen...

The Subcontracts Administrator performs accurate and timely administration of subcontract awards for materials and services acquired by the company to successfully perform local, state, and federal go...

System Architect (SME) 📍 Northern, VA area 📌 Full-Time | On-site Join Synertex LLC and bring your expertise to a mission that matters. We're looking for a System Architect Subject Matter Expert (SME)...

We are hiring a Business Development Manager with a relevant combination of education and experience in federal government contracting, conducting research , business intelligence and market analys...

Careers at Systems Engineer (Electrical Engineering) REQUIRED: Active TS/SCI with Full Scope PolygraphLOCATION: Full-time, onsite in McLean, VALEVEL: Subject Matter Expert ...

Valiant is looking for a Primary Contract Support Assistants (CSA) to join our team! In this role you will handle administrative tasks and transactions for USG acquisition officers located in contract...

Valiant is looking for a Contract Suport Assistant (CSA) to join our team! In this role you will handle administrative tasks and transactions for USG acquisition officers located in contracting office...

Valiant is looking for a Senior Contract Support Assistants (CSA) to join our team! In this role you will handle administrative tasks and transactions for USG acquisition officers located in contracti...