Security Clearance Jobs in Washington, DC

Date Posted:2026-09-28Country:United States of America Location:US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...

ClearanceJobs, on behalf of our client, is seeking a Platform Engineer to help lead the deployment and operation of their product infrastructure in multiple federal environments. Your goal will be to ...

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...

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...

Description: Be a part of the nationwide law enforcement initiative that removes the tools of crime from criminal organizations, depriving wrongdoers of proceeds from their crime and impacting the inf...

R-00194853Description Leidos is seeking a Human Resources Specialist to work in support of the Civil Rights Division in Washington, DC. The General Clerk needs to demonstrate  extensive administr...

DescriptionLocation: This position is based full-time on-site in Vienna, VA and Washington, DC. Periodic travel is required to support on-site events as needed.ICF'sDigital Modernization Divisionis a ...

Description We are seeking a Subject Matter Expert (SME) in Network Protocols SME to join our Advanced Engineering Group. The successful candidate will act as the technical lead for designing, modeli...

Mayin is currently seeking a Journeyman Biochemist and Biophysicist to provide technical support to DHS/S&T CBRNE Division with well-demonstrated and documented current knowledge of the concepts and p...

Mayin is currently seeking a CBRN Subject Matter Expert (SME) to provide support services for radiological/nuclear research and CBRN development efforts to DHS/S&T CBRNE Division. Individual will prov...

Mayin is currently seeking a Biochemical SME to provide technical support to DHS/S&T CBRNE Division with well-demonstrated and documented current knowledge of the concepts and principles of biochemist...

As Sr. ServiceNow Developer I, you'll help design, configure, develop, and implement baseline and custom applications and enhancements in ServiceNow. You will also provide architectural input and help...

THOR Solutions is actively seeking a highly motivated mid-level Naval Architect to support the United States Coast Guard (USCG)'s Ship Design Team in Washington, DC. An ideal candidate will have prior...

Our Deloitte AI & Engineering team to transform technology platforms, drive innovation, and help make a significant impact on our clients' success. You'll work alongside talented professionals rei...

Job Family :Operational Effectiveness Travel Required :Up to 10% Clearance Required :Ability to Obtain Top Secret (TS) What You Will Do :Lead the design, implementation, optimization, and operational...

About the Position: This is a permanent position within Headquarters, US Army Corps of Engineers (HQ USACE), Directorate of Military Programs, Installation Support Community of Practice located in Wa...

If you submit a resume that exceeds the two-page limit, you will immediately be deemed ineligible for this position and will receive no further consideration. We recommend using a sans-serif font such...

Job #: 3053084 Apex Systems is currently hiring an ISSE with a large federal client. This role involves system security engineering, cybersecurity risk assessments, and security architecture support....

Title: • Senior Redhat Linux System Administrator Location: • Pentagon, D.C. (ON-SITE) Clearance Required: • TS/SCI Certification Required: • Security+ (or IAT II equivalent) Job Description: The...

Title: • Windows System Administrator Location: • Pentagon, D.C. (ON-SITE) Clearance Required: • TS/SCI Certification Required: • Sec+ (or IAT II equivalent) Job Description: We are seeking an ex...