Security Clearance Jobs in Lorton, VA

Job Category: IT/TechnicalRequisition Number: PCTEC002297Work Type: Full-Time | On-siteTitan Technologies, LLC (Titan) is seeking an experienced, self-directed, PC Technician to support the Special Op...

Join a Company Where Your Work Makes a DifferenceAt ISN, we believe our people are the driving force behind our success. For more than 45 years, we've partnered with over 150 federal agencies to deliv...

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...

gTANGIBLE Corporation (gTC), www.gtangible.com, is an S corporation and a registered Government contractor that provides services and solutions in: National Security Programs Professional, Administra...

Job Number: R0252863Manufacturing & Coatings Scale-Up LeadThe Opportunity:Designs and implements new technologies, systems, and processes to improve plant production and efficiency. Applies advanced s...

Zachary Piper Solutions is seeking a Systems Administrator to support enterprise IT infrastructure, systems maintenance, and technical operations for a mission-critical federal environment in Lorton, ...

As a Financial Program Manager, provide expert analysis, program, and financial management support for SAF/AQ IT modernization efforts. You will provide expert analysis, program, and financial managem...

Come make your mark with Watermark! 🎖 FOUNDED BY USAF VETERANS in 2007, we are proud to be a Service-Disabled Veteran Owned Small Business.🌎 SUBJECT MATTER EXPERTS specializing in secu...

Come make your mark with Watermark! 🎖 FOUNDED BY USAF VETERANS in 2007, we are proud to be a Service-Disabled Veteran Owned Small Business.🌎 SUBJECT MATTER EXPERTS specializing in secu...

Cyber Threat Hunter (TS/SCI Clearance Required) About Trellix Trellix is a global cybersecurity leader helping organizations build cyber resilience for the AI era. Combining AI-native security, ope...

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...

As a Senior Acquisition Program Manager, you will provide strategic acquisition program management support to the Government Program Management team. You must have an in-depth understanding of Departm...

Job Number: R0252691Android Tactical Assault Kit EngineerThe Opportunity:As an Android software developer, you can resolve a problem with a complete end-to-end solution in a fast and agile environment...

Suvi, an Akima Company, is looking for a Network Systems Engineer to support a mission-oriented, Law Enforcement organization in National Capital Region. This individual will serve as a part of a team...

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...

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 ...