Top Secret / SCI Clearance Jobs in D.C.

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...

Who We Are:Headquartered in Washington, DC, Versar Global Solutions provides full mission lifecycle solutions for challenges faced by our government and commercial Customers in the natural, built, and...

DescriptionIn this role, the Network Administrator will be responsible for:Conduct approved network changes to include but not limited to VLan, ACL and port assignment. Perform IOS upgrades to routers...

DescriptionExperience in complex telecommunications environments involving all phases of network design, implementation, and analysis is required as it pertains to telecommunications transport circuit...

The application window is expected to close on: 10/08/2026The successful applicant will be performing work on US Government classified environments, and therefore, must be a U.S. Person (i.e., U.S. ci...

Quantum Sky is searching for aTier 3 Digital Forensics and Incident Response Analyst. You will play a critical role in conducting in-depth analyses and responding to incidents from cyber threats facin...

Career Opportunities with Castalia SystemsA great place to work.Careers At Castalia SystemsCurrent job opportunities are posted here as they become available. Back To Openings Data Enginee...

Program Manager - OSINT/Watch OfficerWashington, DCApplyAssertive Professionals is seeking an Program Manager - OSINT/Watch Officer supporting our National Security customer in Washington, D...

Status: ExemptLocation: Washington, DCResponsibilities: Drives the operational leadership and technical support needs for a full spectrum IT service desk and IT engineering/operations program. Leads s...

Cyber Defense Forensics Lead TS (SCI-eligible) $200,000 Washington DCCertifications -Active CISSP required Experienced Required - 7+ yearsJob Description The Contractor shall support SOC investigati...

Zachary Piper Solutions is a government subtracting company that provides technological services for the federal government, specializing in cybersecurity, intelligence, and IT. Zachary Piper Soluti...

Zachary Piper Solutions is seeking an Application Integration Engineer. This job is located in Washington D.C. and will be Hybrid. The Application Integration Engineer will be responsible for designin...

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...

Zachary Piper Solutions is seeking a Senior Power Platform Developer. This job is located in Washington D.C. and will be Hybrid. The Senior Web Application Developer will design, develop, and maintain...

Zachary Piper Solutions is seeking a Senior Database Administrator. This job is located in Washington D.C. and will be On-Site. The Senior Database Administrator will be responsible for designing, imp...

Zachary Piper Solutions is seeking an Infrastructure Operations Engineer. This job is located in Washington D.C. and will be On-Site. The Infrastructure Operations Engineer will be responsible for mai...

📍 Northern, VA area 📌 Full-Time | On-site | Position Contingent Upon AwardJoin Synertex LLC and bring your expertise to a mission that matters. We're looking for a Business Process Engineer with a bac...

Job DescriptionPosition SummaryBase-2 Solutions is seeking a TechELINT Analyst to support a Department of the Navy customer in the Washington, DC area. This role provides interpretive pulse-level and ...

Job DescriptionPosition SummaryBase-2 Solutions is seeking a TechELINT Analyst to support a Department of the Navy customer in the Washington, DC area. This role performs interpretive pulse-level and ...

Job DescriptionPosition SummaryBase-2 Solutions is seeking a Software Engineer Level 5 to develop, maintain, and enhance complex and diverse software systems supporting mission-focused environments. T...