Security Clearance Jobs in Mc Lean, VA

Job Category: Program Delivery and ExecutionRequisition Number: PROCU002161Posting DetailsPosted: June 15, 2026Full-TimeOn-siteSalary Range: $107,744 USD to $179,940.80 USDJob DetailsDescriptionGCI em...

Please note that the availability of this position is contingent upon award. Project Manager Job Requirements Desired experience: Five years of experience as a Project Manager for Departmen...

Please note that the availability of this position is contingent upon award. Specialist Engineer/ Software (Command and Control Software Engineer) Benefits: At Prescient Edge , we believ...

Zachary Piper Solutions is looking for a highly skilled Electrical Engineer to support a leading engineering and systems integration organization. The Electrical Engineer will be responsible for suppo...

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...

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...

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...

REQUIRED:  Active TS/SCI with Full Scope PolygraphLOCATION:  Full-time, onsite in McLean, VA We are seeking a highly capable Data Scientist with demonstrated experience in advanced natural l...

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. (...