Security Clearance Jobs in Lorton, 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...

Suvi, an Akima Company, is looking for a Radio Frequency Focus Subject Matter Expert to support a mission-oriented Law Enforcement organization in the National Capital Region. This individual will ser...

This position is 100% Onsite. This position is in Arlington, VA, with occasional/situational travel. Education Bachelor’s Degree Location: Lorton, VA. Schedule ...

R-00195793Description Senior Network EngineerLorton, VA - On-Site RequiredTS/SCIThe Defense sector at Leidos is seeking an experienced Senior Network Engineer to support a fast-paced Department of Def...

As a Space Systems Engineer with MTSI you will be a lead advisor to DoD program managers and technical directors for the evaluation and transition of advanced space systems.Your essential job function...

Job Number: R0252553Augmented Reality Software EngineerThe Opportunity:Develop and debug Virtual Reality (VR) and Augmented Reality (AR) software or applications for various devices. Apply advanced sk...

Are you ready to launch your career in network operations? Let's talk and see if this opportunity is right for you!Opportunity:VSO is looking for a motivated and detail-oriented Entry-Level NOC Networ...

ResponsibilitiesThis position functions as the Advisory and Assistance Services (A&AS) Finance Analyst for the Defense Threat Reduction Agency (DTRA) Global Threat Reduction Directorate's Cooperative ...

Job Title: Software Safety Developer/AnalystJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up t...

Description At System High Corporation-a Top Washington-Area Workplace (The Washington Post, 2023-2025), a Top Workplaces Culture Excellence honoree (April 2025), and a three-time VETS Indexes 3-Star ...

Description ZenPoint Solutions LLC (“ZenPoint Solutions”) is a rapidly expanding Information Technology (IT) services company in the federal sector. We foster a thriving, ambitious work environment th...

ABOUT PRISM PRISM is devoted to modernization and innovation within the world of technology, security, and IT enterprise solutions. We are recognized for meeting performance requirements and exceedi...

Zachary Piper Solutions is currently seeking a System Administrator candidate in Reston, VA responsible for delivering technical troubleshooting services to meet customer business needs and expectati...

Plans and coordinates security services in the areas of document control, personnel clearance processing, and visitor control to ensure compliance of security procedures. Secure sand surveys classifie...

Description *This position requires a TS/SCI Clearance and a minimum of two years of Special Access Program Experience* At System High Corporation-a Top Washington-Area Workplace (The Washington Pos...

R-00194938Description Senior Network EngineerLorton, VA - On-Site RequiredTS/SCIThe Defense sector at Leidos is seeking an experienced Senior Network Engineer to support a fast-paced Department of Def...

Epidemiology – Subject Matter Expert (SME) *NOTE: Position will post October 20th. Must apply on Toeroek's website: https://www.toeroek.com/careers/ Must have MPH and 3 plus years Epi exp. Toeroek ...

Epidemiology – Subject Matter Expert (SME) *NOTE: Position will post October 20th. Must apply on Toeroek's website: https://www.toeroek.com/careers/ Toeroek Associates is a dynamic small business pr...

ResponsibilitiesThis position will function as the Advisory and Assistance Services (A&AS) Maritime Security Subject Matter Expert (SME) for the Defense Threat Reduction Agency (DTRA) Global Threat Re...