Systems Administrator

MANTECH seeks a motivated, career and customer-oriented Systems Administrator to join our team in Hanover, MD.90% travel local in MD, and occasional travel Denver, CO, San Antonio, TX and Herndon, VA with minimal off hour/weekend support.Responsibilities include, but are not limited to : Configures and manages Windows-based servers, workstations, and laptops. Responsible for the upkeep, configuration, and reliable operation of computer systems. System administrator will ensure the uptime, performance, resources, and security of the computers they manage meet the needs of the users. Uses scripting or basic programming skills to solve problems. Installs and configures Windows systems including back-end databases and scripts. Performs systems maintenance by reviewing error logs. Minimum Qualifications: 4 years' experience in Windows Systems Administration with On Premise Active Directory and SANS Bachelor's degree in computer science or similar Information Technology focused major. A degree can be substituted for 4 years of additional experience Experience in Windows environments. Ability to troubleshoot issues with Windows systems and solve a range of problems independently. Security +, CCNA or CISSP for 8570 compliance. MCSE / Azure certification required - Must know and understand Active Directory SME on Active Directory, Hyper-V Cluster, SAN, Remote Desktop Services, IIS, File Print Working knowledge of routers, switches -Cisco IOS Security Clearance Requirements: Must have a current/active TS/SCI w/Poly Physical Requirements: Must be able to remain in a stationary position 50%. Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. Often positions self to maintain computers in the lab, including under the desks and in the server closet. Ability to lift and handle up to 75 pounds. Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations. MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.If you need a reasonable accommodation to apply for a position with MANTECH, please email us at and provide your name and contact information.

Created: 2026-03-08