Security Clearance Jobs in Mc Lean, VA

R-00185433Description Leidos Health & Services Sector is seeking an Addiction Specialist to work in Chantilly, VA or McLean, VA *location to be determined by staffing need. This is a very rewardin...

R-00185293Description Leidos Health & Services Sector is seeking a Marriage and Family Counselor to provide referral services and expert consultation on various Employee Assistance Program and wor...

CYBER THREAT INTELLIGENCE ANALYST Tysons, VA | Onsite | Active TS/SCI with Full-Scope Polygraph required OVERVIEW We are hiring a Cyber Threat Intelligence Analyst to support a national security mis...

Zachary Piper Solutions is seeking a Contracts Specialist III to work in our Arlington, VA office. This role is based in Arlington with a one day per week onsite requirement allowing for the rest ...

Careers at Systems Administrator REQUIRED: Active TS/SCI with Full Scope PolygraphLOCATION: Full-time, onsite in McLean VA We’re seeking Systems Administrators who combine s...

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations that desire ...

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...

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...

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 ...