Top Secret / SCI Clearance IT - Support Jobs

Careers at Software Engineer (Python, AWS and CDK) REQUIRED: Active TS/SCI with Full Scope PolygraphLOCATION: Full-time, onsite in Chantilly, VA We are seeking a mission‑dri...

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-B...

Strategic Growth Partners provides both operations and strategic support to Tribal 8(a) and commercial organizations. Our client is a family of SBA-certified Native American Tribal 8(a) and multi-cert...

Strategic Growth Partners provides both operations and strategic support to Tribal 8(a) and commercial organizations. Our client is a family of SBA-certified Native American Tribal 8(a) and multi-cert...

Primary Responsibilities: Insight Global is looking for a TSSCI Windows System Administrator to sit in Rosslyn, VA. The person will be responsible to create, maintain, and implement detailed docume...

Job Category: IT Infrastructure and OperationsRequisition Number: INFOR002320Apply nowPosting Details Posted: October 1, 2026 Full-Time On-site Salary Range: $124,09...

DescriptionEmpower AI is seeking a Service Desk Shift Supervisor to lead the daily operations of a Tier 0/Tier I IT Service Desk and external Knowledge Center supporting a Department of War agency wit...

DescriptionEmpower AI is seeking a Service Desk Manager to lead the external-facing Tier 0 / Tier I Service Desk serve as the senior technical decision-maker and lead analyst within Tier I on an enter...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Provide system administration, maintenance, and troubleshooting for IT systems i...

Principal Linux/VMWare System Administrator collaborates with a diverse team to support exciting, critical programs with classified information system capabilities. Success in this role means you will...

Opportunity via QSSHire | Talent-as-a-Service Recruiting Role: Palantir Platform Engineer Location: Herndon, VA Clearance: TS/SCI with Full Scope Poly Rate: Open Are You a Palantir Platform Eng...

Opportunity via QSSHire | Talent-as-a-Service Recruiting Role: Infrastructure Engineer Location: Herndon, VA Clearance: TS/SCI with Full Scope Poly Rate: Open Are You an Infrastructure Engineer ...

MANTECH seeks a skilled and mission-focused Cloud Support Engineer (CSE) to join our team in Tysons, VA.The Cloud Support Engineer will support hybrid cloud infrastructure operations by providing crit...

Job #: 3051332 Apex Systems is currently hiring a Service Desk Specialist with a large federal client. As a Service Desk Specialist, you will be supporting mission-focused technology solutions suppo...

Job Number: R0243958Help Desk Specialist The Opportunity: Are you a dedicated, adaptable professional passionate about solving technical challenges in a fast-paced, mission-critical environment? Do yo...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Provide system administration and infrastructure support for large-scale Linux an...

Job Description Everforth ECS is seeking an IT Helpdesk Support Service Specialist to work in our Pocatello, ID office. Everforth ECS is seeking a dedicated, TS-cleared Tier 1 Help Desk Support Admi...

Position OverviewAs the Tier II Deskside Technician (Senior), you will act as a model of customer service excellence to all organizational staff members in the 6.4 Tier II Desk Side & Remote Suppo...

Opportunity via QSSHire | Talent-as-a-Service Recruiting Role: SME Systems Architect Location: Chantilly, VA (Onsite) Clearace: TS/SCI with Full Scope Poly Rate: Open Are You a Systems Architec...

MANTECH seeks a motivated, career and customer-oriented Help Desk Specialist to join our Air Force / Space team at Nellis AFB.The Computer User Support Specialist's primary function is to support the ...