Security Clearance Jobs in Washington, DC

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 national security comm...

Assured Information Security (AIS) has an opening for a Business Development Manager. In this role you will support the development and execution of capture plans, competitive strategies, and proposal...

Our Deloitte Regulatory, Risk & Forensic team helps client leaders translate multifaceted risk and an evolving regulatory environment into defensible actions that strengthen, protect, and transfor...

MANTECH seeks a motivated, career and customer-oriented Senior Financial Analyst to join our team in Washington, D.C. This is an onsite position.Responsibilities include, but are not limited to:Respon...

MANTECH seeks a motivated, career and customer-oriented Senior Combat Systems Engineer to join our team in Washington, DC. This is a part-time, hybrid position requiring 20 to 29 hours per week, wit...

MANTECH seeks a motivated, career and customer-oriented Senior Financial Analyst to join our team in Washington, D.C. This is an onsite position.Responsibilities include, but are not limited to:Respon...

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...

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...

R-00191369Description The Law Enforcement and Litigation Portfolio is seeking a highly motivated Customer Relationship Manager to support a federal customer.  This role is ideal for someone who i...

R-00191428Description Leidos' Digital Modernization sector is seeking a Senior Firewall Engineer to support the GSM-O effort. This position is located at the Pentagon and is 100% on-site. This rol...

R-00191408Description Leidos’ NISC IV program is seeking a Radio Frequency (RF) Engineer/Spectrum Engineer to support the FAA Spectrum Engineering Services Group (AJW-194) in the area of Nationa...

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...

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...

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...

The application window is expected to close on: 09/29/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received . Job posting may be r...

Intelligence Operations IntegratorWashington, DCBarbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense and Nation...

Cloud Security Architect - SeniorWashington, DCApplyBarbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense and Na...

Assessment LeadWashington, DCBarbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense and National Security mission...

Cloud ArchitectWashington, DCApplyBarbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense and National Security mi...

Information System Security Officer (ISSO)Washington, DCBarbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense an...