Security Clearance Jobs in Chantilly, VA

PENETRATION TESTER: Senior and Expert Levels Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Sys...

Systems Engineer Program Description: We are seeking a Senior Systems Engineer to design, integrate, and manage Windows-based systems within complex enclave environments. The role focuses on secure,...

System Administrator (Windows) Program Description: We are seeking a Senior Systems Administrator to lead vulnerability remediation and system hardening across a primarily Windows-based enterprise e...

Senior Full Stack Developer Location: Chantilly, VA - hybrid Clearance: Top Secret clearance The Full Stack Developer will be a part of an agile software development team and integral in performing ...

WMA, VA...

MANTECH seeks a motivated, career and customer-oriented Classification Management Officer 3 CMO 3 to join our team in the Chantilly, VA area. Responsibilities include but not limited to:The Classifi...

MANTECH seeks a motivated, career and customer-oriented Program Security Officer 2 to join our team in Chantilly, VA.Responsibilities include but not limited to:Provide advice and assistance regarding...

MANTECH seeks a motivated, career, and customer-oriented Senior Administrative Assistant to join our team in Chantilly, VA area. The successful candidate will provide on-site administrative support to...

Markon is seeking an Information Systems Security Engineer (ISSE) to support an Intelligence Customer in Chantilly, VA. This role provides cybersecurity and systems security engineering expertise to p...

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...

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...

Job Number: R0241502Software Engineer, MidThe Opportunity: As a software engineer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the...

Job Category: Software EngineeringRequisition Number: SOFTW002099Posting DetailsPosted: May 6, 2026Full-TimeOn-siteSalary Range: $187,179.20 USD to $318,198.40 USDJob DetailsDescriptionGCI embodies ex...

AnalystLocationChantilly, VAJob Code1634# of Openings2Employee Referral Bonus EligibleYesFTS International, LLC (FTS) is committed to providing the Federal Government with quality consultants and supp...

Job Number: R0247357Executive Support and Front Office Manager The Opportunity: Serve as an Executive Assistant and Front Office Manager to policy and strategy senior leader front office clients, incl...

OverviewVTG is l ooking for an experienced applications developer who can hit the ground running with minimal spin up time. Mobile app development with Android is a must have.What will you do? They wi...

Job Title: Windows Infrastructure EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up...

Job Title: Senior Cyber Network Operations AnalystJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Requ...

Job Title: Cyber Technical Operator, ExpertJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: U...

OverviewVTG is seeking a Senior Information Systems Security Manager (ISSM) to support our national security customer in the WMV. The position is 100% onsite. What will you do? Lead, mentor, and supe...