Security Clearance Jobs in Chantilly, VA

R-00191695Description Are you ready to build software that makes a real-world impact? Leidos is seeking a talented Mid-Level Full Stack Software Engineer to join the Chinook Program supporting an Inte...

This position is contingent upon award. The Administrative Assistant provides high-level administrative and operational support to the lead of an office or division and the broader department. This ro...

Job Category: Software EngineeringRequisition Number: SOFTW001975Apply nowPosting Details Posted: June 19, 2026 Full-Time On-site Salary Range: $164,382.40 USD to $2...

RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal gr...

OverviewVTG seeks to hire an Information Systems Security Officer (ISSO) in Chantilly, VA to monitor and maintain systems security on operational systems such as malicious code eradication, configurat...

Job Title: MARS Project Manager Partner EngagementJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of ...

Job Title: MARS Project Manager Partner EngagementJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of ...

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...

The Sponsor’s office conducts forensic analysis of AI models on state-of-the-art computational infrastructure. The Sponsor requires systems engineering expertise with a background in Authorization and...

The Sponsor applies technical and consultative resources to accelerate the timely, reliable, and secure delivery of open source data, information and insights. The Sponsor requires a proven and docume...

Our client is a small IT company dedicated to providing cutting-edge data solutions that empower clients, driving efficiency and success through high-quality products, trusted expertise, and actionabl...

Job Title: Astrodynamics Aerospace Engineer Lead Location: Chantilly, VA(Onsite) Clearance Required: TS/SCI with Full Scope Poly Full Time Position Top Skills Experience as a lead performer for orbit...

Affirmative Civil Enforcement (ACE) InvestigatorEmployment Type: Full-Time, Experienced Department: Legal Services CGS is seeking an experienced ACE Investigator with extensive knowledge and skills in...

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...

AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing an...

Title:Cloud Pentester Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and n...

Title:Model Based Systems Engineer (Expert) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in ...

Title:Jr. Systems Engineer (Digital Engineering Course Development)Belong. Connect. Grow. with KBR!KBR's National Security Solutions team provides high-end engineering and advanced technology solution...

Intel Ops Support Advisor Chantilly, VA Cornerstone Defense is looking for a highly motivated and experienced Senior Intelligence Operations Support to join our team. The ideal candidate is res...

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...