Security Clearance Jobs in Lorton, VA

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...

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...

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

Company OverviewWe are a world-class team of professionals who deliver next generation technology and products in robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locatio...

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...

This position is for a Chemical Security and Elimination Subject Matter Expert (SME) focusing on improving the chemical security capabilities of partner nations. The SME’s role integrates technical ac...

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...

Description Join a mission driven satellite program at the forefront of national defense innovation. Our team is developing cutting edge technologies that directly support critical Department of War ...

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...

The IT Operations Program Support provides programmatic, technical, and operational support to a government Program Management Office (PMO) responsible for Special Access Program (SAP) Information Tec...

As a Senior Test/Systems Engineer with MTSI you will will provide advisory and assistance services (A&AS) for technical systems engineering and programmatic support to include: Space, Ground, Acquisit...

Rmantra Solutions is seeking a highly skilled Chemical Security and Elimination Subject Matter Expert (SME) to serve as a primary technical and programmatic advisor supporting critical international t...

Rmantra Solutions is seeking a highly skilled Chemical Security and Elimination Subject Matter Expert (SME) to serve as a primary technical and programmatic advisor supporting critical international t...