Security Clearance Jobs in Mc Lean, VA

Date Posted:2026-10-28Country:United States of America Location:US-AZ-TUCSON-M02 ~ 1151 E Hermans Rd ~ BLDG M02 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Lead software engineering teams to extract value from structured and unstructure...

SUMMARYLead strategic captures across the Department of Army — driving opportunity shaping, teaming, and capture/proposal execution for high-value pursuits in AI, cybersecurity, cloud, and digital tra...

Database EngineerWarrenton/Tysons, 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 intel...

Athenix Solutions Group is looking for Software Engineers in a variety of roles to develop, maintain, and enhance complex and diverse software systems assisting in the defense of our nation. We have r...

What We’re Looking For:The Associate Director of Information Systems Security is responsible for the oversight and operational implementation of Aireon’s Information and Cyber Security programs. Repor...

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 ...

Task Force TalentData Scientists and ML Engineers (TS/SCI + Poly)Tysons Corner, Virginia, United StatesTask Force Talent is recruiting data scientists and machine learning engineers for a client that ...

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Eng...

At EY, we're all in to shape your future with confidence.We'll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help t...

Dezign Concepts LLCCyber Security Project ManagerProgram and Project Support - McLean, VA - Full TimeCyber Security Project ManagerLocation:McLean, VASalary: (salary is commensurate with education and...

Job Number: R0252590Full-Stack Software EngineerThe Opportunity: Are you looking for an opportunity to not just develop sof tware, but to design a system that will provide cutting-edge ISR capabilitie...

Who Are We?Groundswell is a premier technology integrator and solution provider, resolutely committed to solving the most complex challenges facing federal agencies today. Our name, Groundswell, repre...

Purpose and Impact:Amentum has a new and exciting opportunity for an Ops Watch officer in our Intelligence and Cyber Group in McLean, VA. This contract provides and sustains counterterrorism awareness...

The Senior Director, Proposal Management leads enterprise proposal management function and oversees the development of compliant, compelling, and competitive proposals supporting growth across Departm...

CLEARANCE REQUIRED : TS/SCI with Poly This job is located at: Washington D.C ***This position is contingent upon award of contract*** Job description: experienced Targeting Analyst capable of providin...

CLEARANCE REQUIRED : TS/SCI with Poly This job is located at: Washinton D.C. ***This position is contingent upon award of contract*** Job description: Seeking an experienced All-Source Intelligence to...

CLEARANCE REQUIRED : TS/Sci with Poly This job is located at: Washington D.C. This position is contingent upon contract award Job description: Seeking an experienced Data Scientist, proven to excel in...

CLEARANCE REQUIRED : TS/SCI with Poly This job is located at: Washington D.C. Job description: Provide expert-level, biometrics-enabled identity analysis in support of counterterrorism and counternar...

At EY, we're all in to shape your future with confidence.We'll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help t...