IT - Security Jobs in Chantilly, VA

Job Category: Information SecurityRequisition Number: INFOR001917Posting DetailsPosted: January 19, 2026Closed: February 9, 2026Full-TimeOn-siteSalary Range: $124,092.80 USD to $207,251.20 USDLocation...

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our ...

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 Title: Information System Security Officer (ISSO)Job Category: SecurityTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Requ...

Join our team at Core One! Our mission is to be at the forefront of devising analytical, operational and technical solutions to our Nation's most complex national security challenges. In order to achi...

MANTECH seeks a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in the Chantilly, VA area.You will support mission-critical infrastructure by managing specializ...

Program Security Representative I Chantilly, VA| 5 Year Air Force contract | Special Access Program (SAP) *** Must have SAP (Special Access Program) experience *** Job Description: •The Program Secu...

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...

Cyber Vulnerability Assessment & Analysis Officer Clearance: TS/SCI with Polygraph Chantilly, VA Supporting the Most Exciting and Meaningful Missions in the World We are looking for a team-memb...

Title: Cyber Technical Analyst Advisor Location: Chantilly, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within t...

LINUX SYSTEM ADMINISTRATOR: Expert Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno System...

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...

OPERATIONAL SYSTEM ENGINEER Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB SUMMARY: Inferno Systems is looking for c...

NETWORK SECURITY ENGINEER: Expert Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: If you are looki...

NETWORK SECURITY ANALYST: Senior Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Systems i...

NETWORK EXPLOITATION ANALYST: Senior Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB SUMMARY: Inferno Systems i...

CYBER NETWORK OPERATOR: Expert Level Location: Chantilly, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Systems is ...

Cyber Security Engineer: Mid Level Location: Chantilly / Herndon, VA US Security Clearance Requirement: TS/SCI with Full Scope Polygraph Clearance Status: Must be Current JOB DESCRIPTION: Inferno Sys...

This position is contingent upon award.Requires an active TS/SCI with CI Poly clearance prior to consideration.The program provides Systems Engineering and Technical Assistance (SETA) core and non-cor...

This position is contingent upon award.Active TS/SCI with CI Poly required prior to consideration.Program Description:The program provides Systems Engineering and Technical Assistance (SETA) core and ...