Top Secret / SCI Clearance IT - Support Jobs

Principal Linux Systems Administrator to join our team in Chantilly, VA. As a Principal Systems Administrator you will perform and lead system administration functions in a Linuxbased private Cloud e...

This job requires active TS/SCI clearance with a CI Polygraph. Please apply only if you have an active TS/SCI clearance with a CI Polygraph. Helpdesk / Access Manager (Senior / Mid) Position / LCAT: ...

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...

R-00187875Description Leidos is seeking a Tier 1/2 Service Desk / Deskside Support Administrator to support the National Digital Exploitation & OSINT Center (NDOC). This position provides first-li...

This position will work 6am - 2pm, Sunday through Thursday: Job Duties: •Systems administration of desktop and server systems connected to local and wide area networks. Desktop system management resp...

Salary Range: • $75,000-$79,000 Title: • Helpdesk Specialist Location: • Fort Belvoir (FULLY-ONSITE) Clearance Required: • Top Secret/SCI Certification Required: • Security+ Top Skills Required...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Bridge the gap between traditional infrastructure and the cloud. We are seeking a skilled Systems ...

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 & Requirements Maximus is a trusted federal partner supporting mission critical programs for the Centers for Medicare & Medicaid Services (CMS). Through these partnerships,...

Help Desk Specialist Ft. Meade Area, MD · Government/Military Clearance Required:TS/SCI with Polygraph Full-Time | Fully Funded | $81K–$85K Secure the Mission. Set the Standard in Cybersecurity. Power...

POSITION DESCRIPTION As of 14 July 2026 Gemini Industries Inc. provides technical, management and operations services to support National Security projects. We provide rapid response to the critical ...

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Pro...

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...

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...

The Mission IT Operator is responsible for supporting a critical government mission operating around the clock, serving as the primary contact for all site issues during their assigned shifts. The rol...

Job Number: R0244370Help Desk Specialist The Opportunity: Are you a dedicated, adaptable professional passionate about solving technical challenges in a fast-paced, mission-critical environment? Do yo...

Responsibilities & QualificationsThis position will support activities within Special Access Programs (SAPs) supporting Department of Defense (DoD) agencies, such as HQ Air Force, Office of the Secret...

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 ...

Tier 2 Service Desk Support Specialist As required by our governmental client, this position requires being a US Citizen AND an active TS/Sensitive Compartmental Information (SCI) clearance or the ab...