Security Clearance Jobs in Washington, DC

Date Posted:2026-10-21Country:United States of America Location:US-MA-TEWKSBURY-TB2 ~ 50 Apple Hill Dr ~ SUDBURY BLDG, Tewksbury Tb2 200 Sudbury Position Role Type:Onsite U.S. Citizen, U.S. Person, o...

Point Solutions Group, a ClearanceJobs company, is hiring a Database Engineer for a full-time, on-site role in Herndon, VA. Responsible for database design, data modeling, schema development, SQL/PL/S...

Job Type: Full- Time Workplace Type: Onsite Clearance: TS/SCI, willingness to take a poloygraph Must be a U.S. Citizen Job Summary Castalia Systems is seeking a Mid-Level Energy Analyst, INDOPACO...

Job Type: Full- Time Workplace Type: Onsite Clearance: TS/SCI willingness to take a polygraph exam Must be a U.S. Citizen Job Summary Castalia Systems is seeking a Mid-Level Western Hem All-Sour...

Job Type: Full- Time Workplace Type: Onsite Clearance: TS/SCI with CI poly Must be a U.S. Citizen Job Summary Castalia Systems is seeking a Mid-Level Graphic Designer with expertise in design...

Job Type: Full- Time Workplace Type: Onsite Clearance: TS/SCI willingness to take a polygraph exam Must be a U.S. Citizen Job Summary Castalia Systems is seeking a Mid-Level Data Engineer to use...

Job Type: Full- Time Workplace Type: Onsite Clearance: TS/SCI willingness to take a polygraph exam Must be a U.S. Citizen Job Summary Castalia Systems is seeking a Senior DevSecOps Engineer to w...

Job Type: Full- Time Workplace Type: Onsite Clearance: TS/SCI willingness to take a polygraph exam Must be a U.S. Citizen Job Summary Systems is seeking a Mid-Level Full Stack Software Enginee...

Job Type: Full- Time Workplace Type: Hybrid onsite 2 days a week Clearance: TS/SCI and preferably a CI polygraph Must be a U.S. Citizen Job Summary Castalia Systems is seeking an Application Dev...

Job Title: Jira Project Scheduler Clearance: TS/SCI with SCI eligibility Location: Onsite at the Pentagon Contact: Crystal.dinnocenti@systemone.com OVERVIEW: We are seeking a senior Jira / Proje...

Job has telecommute opportunities, and seeking candidates able to come onsite minimum 3-4 days per week. Location is SE - Washington DC. There is potential space near Sterling, VA. Our software devel...

Insight Global is seeking a Communication Specialist for a top government infrastructure and real estate client. This candidate will support multiple large-scale infrastructure and real estate acquisi...

This position is on-site in Washington, DC and does not permit hybrid/telework. Candidates must have an active Top Secret clearance for consideration.The UI/UX & Frontend Developer combines user e...

This position is on-site in Washington, DC and does not permit hybrid/telework.Candidates must have an active Top Secret clearance for consideration.The UI/UX & Frontend Developer combines user ex...

OverviewThe Full Stack Developer, Mid will assist in designing, developing, and maintaining dynamic web applications and robust software solutions. Leveraging your expertise in both backend and fronte...

This position is fully on-site in Washington, DC and does not permit any hybrid/remote work. Candidates must possess an active Top Secret clearance to be considered.The IT SME, Senior, will lead and a...

Job Family :Operational Effectiveness Consulting Travel Required :Up to 50% Clearance Required :Ability to Obtain Public Trust What You Will Do: Guidehouse's Public Sector Health team is seeking a Se...

Zachary Piper Solutions is looking for a Top Secret Power Platform Developer to join a large DOD program. This is a full - time position offering hybrid flexibility out of SE Washington DC.Essentia...

Senior Information System Security Officer (ISSO)Quantum Sky is searching for a Senior Information System Security Officer (ISSO) to be responsible for the overall handling of information assurance ex...

Summary The MIL Corporation seeks a Tier I Service Desk Analyst (Help Desk Support Specialist I) to support a Federal government client at one of our Washington, DC Metropolitan area locations. This...