Senior Systems Administrator

Job description

General information Requisition #: R66507: Locations: USA-VA-Springfield: Posting Date: 03/08/2026 Security Clearance Required: TS/SCI: Remote Type: Onsite: Time Type: Full time: Description & Requirements: Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH! MANTECH seeks a motivated, career and customer-oriented Senior Systems Administrator to join our team in Springfield, VA. Responsibilities include but are not limited to: - Serves as a Customer Advocate supporting VIP level customer; must present professional image and communicate well. Provides in-person, “white glove” support to key stakeholders. - Responsible for providing support to end-user community on difficult hardware, software and network related problems, questions, and use. - Provides resolutions to o...