IT - Security Jobs in D.C.

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-B...

Point Solutions Group, a subsidiary of ClearanceJobs is assisting our Colorado Springs based client with their search for a Unix Engineering work to be performed at Peterson Space Force Base, Colorado...

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...

Planet Technologies, the Nation’s leading Microsoft services provider to the public sector, is looking for a highly motivated individual to join our growing team as an Information Assurance Specialist...

OverviewAbacus Technology is seeking a Cyber Security Engineering SME to provide security and test and evaluation support for the RDT&E Engineering and Technical Support (RETS) program. This is a full...

MANTECH seeks a motivated, career and customer-oriented Senior Cloud Information System Security Officer (ISSO) to join our team in Washington, D.C., Chantilly, VA or Quantico, VA.. Responsibili...

MANTECH seeks a motivated, career and customer-oriented Senior Cloud Information System Security Engineer (ISSE) to join our team in Washington, D.C.. Responsibilities include, but are not limited t...

The application window is expected to close on: 09/24/2026The successful applicant will be performing work on US Government classified environments, and therefore, must be a U.S. Person (i.e., U.S. ci...

An exciting DHS Customer is on contract to provide division-wide support for Federal Information Security Modernization Act (FISMA) compliance, execution of the Risk Management Framework (RMF) process...

Cyber Tools Lead - CO5 and BPA Key Personnel (Active Secret) Job ID: TL-CA-CYBER-CO5-CTL Alignment: CO5 CTSS / BPA umbrella Clearance: Current active Secret Location: Washington, DC / NCR - hybrid E...

Cybersecurity Program Manager - CO5 Cyber Tools Support (Active Secret) Job ID: TL-CA-CYBER-CO5-PM Alignment: CO5 Cyber Tools Support Clearance: Current active Secret Location: Washington, DC / NCR ...

Cybersecurity Program Manager - CO1 ISSO Support (Active Secret) Job ID: TL-CA-CYBER-CO1-PM Alignment: CO1 ISSO Support Clearance: Current active Secret Location: Washington, DC / NCR - hybrid Emplo...

Deputy Cybersecurity Program Manager - CO1 ISSO Support (Active Secret) Job ID: TL-CA-CYBER-CO1-DPM Alignment: CO1 ISSO Support Clearance: Current active Secret Location: Washington, DC / NCR - hybr...

ISSO Lead - CO1 and BPA Key Personnel (Active Secret) Job ID: TL-CA-CYBER-CO1-ISSO Alignment: CO1 ISSO / BPA umbrella Clearance: Current active Secret Location: Washington, DC / NCR - hybrid Employm...

MANTECH seeks a motivated, career and customer-oriented Senior Cloud Information System Security Officer (ISSO) to join our team in Washington, DC. Responsibilities include, but are not limited ...

MANTECH seeks a motivated, career and customer-oriented Junior Cloud Information System Security Officer (ISSO) to join our team in Washington, D.C. Responsibilities include, but are not limited...

MANTECH seeks a motivated, career and customer-oriented Senior Information Systems Security Engineer (ISSE) to join our team in Washington, D.C. This is an onsite position.The Information Systems Secu...

MANTECH seeks a motivated, career- and mission-focused Senior Cloud Information Systems Security Engineer (ISSE) to join our team in Washington, D.C. or Huntsville, AL. This is an onsite position. Res...

MANTECH seeks a motivated, career and customer-oriented Senior Information Systems Security Officer (ISSO) to join our team in Washington, D.C. This is an on-site position. The Senior ISSO will levera...

MANTECH seeks a motivated, career and customer-oriented Technical Lead (IT Subject Matter Expert) to join our team in Washington, D.C. This is an onsite position.The Technical Lead (IT Subject Matter ...