Security Clearance Jobs in Herndon, VA

Join Our Team as an Application Developer at Zachary Piper Solutions!Are you a skilled Application Developer seeking an opportunity to make a real impact? Look no further! Zachary Piper Solutions is a...

Join Our Team as a Software Engineer at Zachary Piper Solutions!Are you a skilled Software Engineer seeking an opportunity to make a real impact? Look no further! Zachary Piper Solutions is actively...

Company DescriptionSince 2006, MAXISIQ has advanced the state of Cyber RDT&E by bringing together industry expertise in software, hardware, communications and security, and leveraging decades of o...

Job Category: IT Infrastructure and OperationsRequisition Number: NETWO002207Posting DetailsPosted: July 9, 2026Full-TimeOn-siteSalary Range: $164,382.40 USD to $274,518.40 USDJob DetailsDescriptionGC...

Mission Focus: As a member of our solutions delivery team, you will have the unique opportunity to work on programs advancing the most critical government systems. NT Concepts is seeking an experience...

*****MUST HAVE AN ACTIVE TS/SCI WITH ABILITY TO OBTAIN TO PASS A POLY CLEARANCE******Software Engineer IVOur client's Space & Intelligence Sector is looking for a Software Engineer to join their d...

*****MUST HAVE AN ACTIVE TS/SCI WITH CI POLY CLEARANCE******Software Engineer IVWe are looking for a Software Engineer to join our diverse team at our Herndon, VA, office. The candidate will work with...

*****MUST HAVE TS/SCI WITH ABILITY TO OBTAIN A CI POLY CLEARANCE*****For Principal Level:Bachelor's degree with 5+ years of relevant experience OR a Master's degree with 3+ years of relevant experienc...

The Swift Group is a privately held, mission-driven and employee-focused services and solutions company headquartered in Reston, VA. Our capabilities include Software Development, Engineering & IT, Da...

North Edge Technology is looking for Field Engineers to be part of our Emergency Management Sustainment team supporting 100+ military installations worldwide. The Field Engineers will ensure Giant Voi...

Position Description & QualificationsSerco has a great opportunity for you to take a role as part of the Federal Emergency Management Agency (FEMA) Public Assistance (PA) disaster recovery initiatives...

R-00187321Description Leidos' Defense Sector has an immediate career opportunity for a Senior Program Finance Analyst to support multiple programs in our Undersea Systems Division. In this ro...

About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...

DescriptionThis position requires that the candidate selected be a US Citizen and must currently possess and maintain an active TS/SCI security clearance with polygraph. This is a hands-on technical r...

We're Hiring: VP of Contracts Shape the contracts that drive mission success. Are you an experienced contracts professional who enjoys navigating complex federal and commercial agreements while par...

The application window is expected to close on: 08/20/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received . This role is expected...

***TS/SCI Fullscope Polygraph Required*** Schedule: Primarily Monday-Friday with flexible hours. Some weekend work may be required when traveling. Candidates must be available during key reporting pe...

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...

DescriptionAmazon Web Services is seeking an Associate Solutions Architect to support our US Government customers in the Northern Virginia / DC Metro area. As a Solutions Architect on the National Sec...

DescriptionThis position requires that the candidate selected be a US Citizen and must currently possess and maintain an active TS/SCI security clearance with polygraph. The Amazon Web Services Profes...