Senior Systems Administrator

Job description

General information Requisition #: R67138: Locations: USA-VA-Chantilly: Posting Date: 04/13/2026 Security Clearance Required: TS/SCI: Remote Type: Onsite: Time Type: Full time: Description & Requirements: Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH! MANTECH seeks a motivated, customer-oriented Senior Systems Administrator to join our team in Chantilly, VA . This is an onsite position. Responsibilities include but are not limited to: Maintain/troubleshoot Windows servers, workstations and peripherals Perform Windows system administrative support to include account management, installing software and monitoring systems Maintain domain controllers, file and application servers Properly receive and triage customer incidents in the ticketing system Follow standard o...