Security Clearance Jobs in Chantilly, VA

GTSC hiring a Director of Corporate Contracts & Procurement. The Director leads GTSCx27s Corporate Contracts & Procurement function , overseeing the administration of awards and subcontracts ...

Software EngineerChantilly, VATS/SCI with PolyAt Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence...

Company DescriptionFounded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support. I...

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're...

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're...

At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We're...

GovCIO is currently hiring for a Network Engineer to conduct Quality Assurance & Control to support a critical IT modernization effort for the Air National Guard (ANG) . Candidates must reside in or n...

Job Category: Information SecurityRequisition Number: INFOR001917Posting Details Posted: January 19, 2026 Closed: February 9, 2026 Full-Time ...

The Britton Group is a premier provider of intelligence and national security solutions, specializing in mission-critical IT services, digital transformation, cybersecurity and specialized intelligenc...

Communications Systems Engineer Location Chantilly, VA Job Code 1629 # of Openings 1 Employee Referral Bonus Eligible Yes FTS International, LLC (FTS) is committed to providing the Federal Govern...

Careers at Software Developers (Systems Software) REQUIRED: Active TS/SCI with Full Scope PolygraphLOCATION: Full-time onsite in Chantilly, VAAs a Software Developer (System...

SABG is seeking a Space Modeling and Simulations Engineer in Multiple Levels- Level II, III, or IV to support the National Reconnaissance Office (NRO). JOB TITLE : Space Modeling and Simulations Eng...

Job Title: Test EngineerJob Category: Engineering and Technical SupportTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 10%Type...

Job Title: Computer Systems AnalystJob Category: Service Contract ActTime Type: Full timeMinimum Clearance Required to Start: Top SecretEmployee Type: RegularPercentage of Travel Required: NoneType of...

OverviewOMNI is seeking a Satellite Lead Mission Engine Active TS/SCI clearance with Polygraph.Bachelor’s degree in Aerospace Engineering, Systems Engineering, Electrical Engineering, Mechanical Engin...

About the Roleis seeking a Senior Satellite Subsystems Engineer to provide Systems Engineering and Technical As Active TS/SCI clearance with Polygraph. Bachelor’s degree in Aerospace Engineering...

About the RoleOverviewOMNI is seeking a Satellite Syst Required Qualifications Bachelor’s degree in Aerospace Engineering, Electrical Engineering, Systems Engineering, Computer Science, Physics, or a ...

About the RoleOMNI is seeking a Security Bachelor's degree in Security Management, Criminal Justice, Business Administration, Homeland Security, or a related discipline. Minimum of 5 years of exp...

About the RoleOverviewOMNI is seeking for a Senior Portfolio Security Manag Bachelor's degree. Active TS/SCI clearance. Significant experience (10+ years) in industrial or government security ...

About the Roleis seeking Senior Systems Engineer to provide SETA (Systems Engineering Bachelor’s degree in Engineering, Physics, or related technical field (advanced degree preferred) 10+ years o...