Security Clearance Jobs in Mc Lean, VA

Zachary Piper Solutions is hiring professionals with military or industrial experience in National Security Space for their SETA team in El Segundo, California. We support the Space Systems Command (S...

Assured Information Security (AIS) has an opening for a SME Software Quality Assurance Engineer/Tester will support government system testing activities by developing, executing, and documenting compr...

Company OverviewBy Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whateve...

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...

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, Pro...

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

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, Pro...

Now Hiring at AMERICAN SYSTEMS Epsilon, Inc. has joined AMERICAN SYSTEMS! As one organization, we offer expanded resources, streamlined operations, and increased opportunities for growth and developme...

JOB FUNCTION: Receives customer service calls and work-order requests, via telephone, computer network, or in-person. Enters request data into either a computerized maintenance management system or an...

R-00192273Description The Health and Services Sector of Leidos is seeking an innovative, hands-on engineer to join our Saxton Lab Team as a Mid-Level OT/IT Network Engineer!Our team operates the Feder...

R-00191977Description The Leidos Health and Services Sector is seeking a V2X Systems Engineer, contingent upon contract award to work in McLean, VA.Candidates MUST:Have the ability to full-time on-sit...

BT-429 – AI Architect Location: Tysons, VA Bespoke Technologies is seeking an experienced AI Architect to design, architect, prototype, and implement advanced Artificial Intelligence and Generative A...

Company Overview: At ValidaTek, we modernize and optimize IT services to solve some of the most critical challenges facing federal civilian and defense agencies. From customers to partners to top-tale...

Company Overview: At ValidaTek, we modernize and optimize IT services to solve some of the most critical challenges facing federal civilian and defense agencies. From customers to partners to top-tale...

About Agile DefenseAt Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spiri...

Program Manager - Security & Adjudicative Support ServicesThe Program Manager serves as the primary leader for a high-volume, high-complexity security and adjudication program for the Intelligence...

Job Category: IT Infrastructure and OperationsRequisition Number: SYSTE002292Posting DetailsPosted: September 8, 2026Full-TimeOn-siteLocationsShowing 1 locationTysons CornerTysons Corner, VA, USATyson...

The Britton Group is a premier provider of intelligence and national security solutions, specializing in mission-critical IT services, digital transformation, cybersecurity and specialized intelligenc...

The Britton Group is a premier provider of intelligence and national security solutions, specializing in mission-critical IT services, digital transformation, cybersecurity and specialized intelligenc...

The Britton Group is a premier provider of intelligence and national security solutions, specializing in mission-critical IT services, digital transformation, cybersecurity and specialized intelligenc...