Senior System Administrator

Job description

General information Requisition #: R66721: Locations: USA-MD-Columbia: Posting Date: 03/23/2026 Security Clearance Required: TS/SCI w/ Poly: 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-driven, and customer-focused Senior System Administrator to join our team in Columbia, MD . You will play a critical role in supporting the enterprise infrastructure capabilities for a global, mission-focused workforce. This position supports the high-visibility Enterprise Infrastructure Services (EIS) organization, responsible for the delivery and security of MPO’s Enterprise Information Technology (EIT)—the foundation for enterprise-wide services. As a Senior System Admini...