Top Secret / SCI Clearance IT - Support Jobs

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 ...

Information Operations Planner ***This position requires an active TS/SCI clearance. *** Cherokee Nation Strategic Programs (CNSP) is seeking an Information Operations Planner to support IO planning,...

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...

Your application will NOT be considered unless you have the Required Clearance: Candidate must have a TS/SCI polygraph clearance! Description Ticket Coordinator to perform the activities associated w...

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...

MANTECH seeks a motivated, career- and customer-oriented Hardware Engineer to join our team in San Antonio, TX area.Join a new and exciting opportunity to support national security by delivering missi...

MANTECH seeks a motivated, career-oriented, and customer-focused Remote Support Technician to join our team in McLean, VA. In this role, you will work collaboratively in a 24/7 operational team to eff...

Location: Fort Meade, MD Schedule: Mon- Fri 0500-1300 Must-Haves: Active Top Secret/SCI Clearance Current DoD 8140 System Administrator Certification (Security+, Cloud+, SSCP, SecX, etc.) Ability to ...

Required Skills & Experience Currently possess an active TS/SCI security clearance Currently possess DoD 8750 certification at least IAT level II, e.g Security+ce. Bachelor's degree and 4+ years of o...

Seeking a highly qualified Senior Systems Administrator to join a mission-focused team that maintains applications, services, microservices, Platform as a Service (PaaS), and support services. The eff...

SMS is hiring a Helpdesk Specialist (Intermediate) to support Defense Threat Reduction Agency (DTRA) on the Integrated Information Technology Support Services (I3TS) contract. The role operates within...

We are seeking a System Engineer Level 3 to lead systems engineering, architecture, and senior level system administration efforts across Linux, VMware, and automated infrastructure. This role analyz...

We are seeking a highly experienced System Administrator Level 3 to lead the administration, maintenance, and optimization of on premises and cloud based enterprise systems. This role provides advance...

We are seeking a highly capable System Administrator Level 2 to support implementation, troubleshooting, and maintenance of enterprise IT systems in a high-security environment. This role manages dail...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Manage Linux systems administration, network configuration, and troubleshooting ...

R-00187876Description Leidos is seeking a Junior Tier 1/2 Service Desk / Deskside Support Administrator to support the National Digital Exploitation & OSINT Center (NDOC). This position provides f...

Zachary Piper Solutions is currently seeking a Service Desk candidate in Reston, VA responsible for delivering technical troubleshooting services to meet customer business needs and expectations. Loc...

Position Title: Systems Specialist Salary Range: $85,000.00 To $115,000.00 Annually Location: 100% On-Site In/Around Waldorf, MD Reports to: Engineering Manager/Site Lead Position Summary: Step i...