Top Secret / SCI Clearance IT - Support Jobs

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Provide comprehensive support for critical IT systems and infrastructure. ̶...

Insight Global is actively hiring a TS/SCI Cleared Jira Administrator to join our team supporting a DoW Program in Arlington VA. The ideal candidate will be responsible for the overall application man...

Overview Streamline Defense is seeking a Help Desk Lead to support the U.S. Southern Command (USSOUTHCOM) Enterprise Data & Analytics (EDA) program on-site at USSOUTHCOM Headquarters in Doral, FL. An ...

Systems Administrator Expert As required by our governmental client, this position requires being a US Citizen AND an active TS/SCI with Full Scope Polygraph clearance. The System Administrator - Ex...

Company DescriptionFounded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support. I...

Job Description SALARY RANGE $60,000 - $100,000/yearDUTIES As a successful candidate for the Help Desk Specialist L1 role, you will provide 24x7 Help Desk support as defined by first response/Tier 1/L...

We are seeking a skilled and detail-oriented Field Support Specialist to join our team. The ideal candidate will have strong experience with providing hands-on support for Oracle hardware with Solaris...

Overview: Planned Systems International (PSI) is an Enterprise IT services company who focuses on designing, building, securing, and operating cutting-edge software solutions that drive mission succes...

MANTECH seeks a motivated, career and customer-oriented Video Installation Technician to join our team in McLean, VA. In this role, serve on a team of IT support professionals responsible for installi...

Join our team as a Full-Time Help Desk Specialist at IntePros Federal in Washington, DC! As an Entry-Level Top Secret-Cleared professional, this role offers an exciting opportunity to gain valuable ex...

Grow, innovate, and generate progress: Harness your expertise to solve challenges and celebrate success! Job Summary JCS Solutions is seeking an Intermediate Helpdesk Specialist to support large-s...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Manage and maintain Linux operating systems. • Oversee KVM virtualization...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Administer Linux and Windows environments, including Windows Server. • Im...

MANTECH seeks a motivated, career-oriented, and customer-focused Incident Technician to join our team in Tysons, VA. In this role, you will provide technical support, installation services, and custom...

R-00188330Description Leidos is seeking an Intermediate Helpdesk Specialist to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program provides enterprise-...

Desktop Installation Technician*****Short Term Assignment April 15, 2026 - October 31, 2026*****This could be a little longer.We are seeking a skilled and motivated Desktop Installation Technician to ...

As a Tier II Help Desk / Systems Administrator, you will provide advanced technical support to enterprise users by diagnosing, troubleshooting, and resolving hardware, software, desktop, and cloud inf...

Abacus Technology is seeking a Help Desk Technician to provide technical support for the US Air Force Office of Special Investigations (AFOSI) in Quantico, VA. This is a full-time position.Responsibi...

Helpdesk / Access Manager- Senior / Mid (Top Secret with agreement to obtain CI Poly)Fort Belvoir, Virginia, United StatesThis job requires active TS/SCI clearance with a CI Polygraph. Please apply on...

OverviewSERVICE DESK SPECIALIST | TIER II (MIELS): Bowhead is seeking a Service Desk Specialist to support a customer in Quantico, VA. Support for the contract will consist of program management; logi...