IT - Security Jobs in Chantilly, VA

RELOCATION ASSISTANCE:CLEARANCE REQUIRED FOR START:CLEARANCE TYPE:TRAVEL:DescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people...

Job Number: R0244067Cryptography EngineerThe Opportunity:Use systems architecture, network engineering, or software development skill sets to implement post-quantum cryptography (PQC) solution archite...

Position OverviewWe are seeking a highly skilled Cyber Engineer with strong analytic capabilities to support mission-critical operations within the Intelligence Community. The ideal candidate will des...

MANTECH seeks a motivated, career and customer-oriented Senior Principal Cyber Security Engineer to join our team in Chantilly, VA.In this role, you will support mission-critical cybersecurity operati...

Job Number: R0243985Security Administrator, Mid The Opportunity: Serve as a member of a small team managing all aspects of personnel security clearance processing. Work closely with clients to obtain ...

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...

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: YesCLEARANCE TYPE: Top SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incre...

Job Category: Cyber SecurityRequisition Number: TECHN002196Posting DetailsPosted: July 7, 2026Full-TimeOn-siteSalary Range: $107,744 USD to $179,940.80 USDJob DetailsDescriptionGCI embodies excellence...

SummaryAre you a proven cybersecurity leader with deep Department of Defense (DoD) expertise and a passion for protecting mission-critical systems? We are seeking a highly skilled Cybersecurity Manage...

MANTECH seeks a motivated, career and customer-oriented Information Assurance System Administrator to join our team in Chantilly, VA.The Information Assurance System Administrator is responsible for p...

MANTECH seeks a motivated, career and customer-oriented Principal Cyber Security Engineer to join our team in Chantilly, VA.The Principal Cyber Security Engineer will leverage their strong technical b...

MANTECH seeks a motivated, career and customer-oriented Senior Information System Security Engineer (ISSE) to join our team in Washington, D.C., Chantilly, VA or Quantico, VA. Responsibilities inclu...

TASK FORCE TALENTExperts in Science, Engineering, and Security CareersFull Stack Software Engineer (Junior/Senior/Expert) (U.S. Citizen/Security Clearance Required)Chantilly, Virginia, United StatesTa...

Job Category: Software EngineeringRequisition Number: SOFTW002190Posting DetailsPosted: July 6, 2026Full-TimeOn-siteSalary Range:$107,744 USDto$179,940.80 USDJob DetailsDescript...

Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges-and we're com...

Job #: 3039196 Apex Systems is currently hiring a HBSS Engineer/Administrator with a GovCon client. This role is in support of a program with the NRO. Project Details / Mission Supported: •Provide...

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...