Security Clearance Jobs in Mc Lean, VA

Date Posted:2026-08-07Country:United States of America Location:US-MA-MARLBOROUGH-MA2 ~ 1001 Boston Post Rd ~ BLDG 2 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Require...

Attention Cyber Warriors: Your Next Mission Awaits!Are you a battle-hardened Linux engineer looking for your next challenge? Ready to continue defending our nation's digital frontlines in the civilian...

Library Technician – Reference ParaprofessionalMcLean, VA (on-site)Position Summary:The Library Technician – Reference Paraprofessional will provide library operations, research assistance, and refere...

LibrarianPTFS, a privately owned, Maryland-based company providing library software and solutions, digital archiving as well as professional services including digitization, library staffing, and inte...

Job Type: Full- Time Workplace Type: Onsite Clearance: TS/SCI willingness to take a polygraph exam Must be a U.S. Citizen Job Summary Castalia Systems is seeking a Mid-Level Defense Industries A...

Our Deloitte Finance Transformation team practices to help chief financial officers, controllers, and finance teams define and execute their finance and global business services agendas and strategies...

Position Summary: The Laboratory Operations Specialist (LOS) is a versatile team member who provides comprehensive support across lab activities, ensuring smooth day-to-day operations. This role bridg...

The requirements listed define the Minotaur Test Engineer Level 1responsibilities and tasking. The Test Engineer (TE) is a qualified individual that is able to analyze detailed system designs and func...

LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grad...

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...

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...

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...

Information Systems Technology Asset ManagementTysons / Warrenton, VATS/SCI with PolyAt Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solut...

Title:Cyber AdvisorBelong. Connect. Grow. with KBR!KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and natio...

Title:CI Team LeadBelong. Connect. Grow. with KBR!KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and nation...

Title:CIO Team LeadBelong. Connect. Grow. with KBR!KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and natio...

Title:CIO Principal AdvisorAt KBR, we deliver science, technology and engineering solutions to governments and companies around the world. KBR employs approximately 37,000 people worldwide with custom...

Title:Policy Team LeadBelong. Connect. Grow. with KBR!KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and na...

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...