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Window System Administrator Jobs

MANTECH
Full Timemid
College Park, Maryland, USPosted February 19, 2026

Job Description

MANTECH seeks a motivated, career and customer-oriented Windows Systems Administrator to join our team in College Park, Maryland.

The position is part of a team that provides Windows Systems Administration support for an organization that is tasked with researching challenging problems within the Intelligence Community.

Responsibilities include, but are not limited to:

  • Will work with a small team to provide a full range of systems administration capability to a dynamic team of researchers at the Laboratory for Physical Sciences
  • Provides support to IT systems including day-to-day operations, monitoring and problem resolution for all client/server/storage/network devices and peripherals
  • Provides Tier 1 through Tier 3 problem identification, diagnosis and resolution of problems.
  • Provides support for the escalation and communication of status to the supported organization's management and internal customers
  • Manages and maintains Windows VMs and operating systems, including installation, configuration, integrity checks, network configuration, and performance enhancements.

Minimum Qualifications:

  • 8+ years of System Administration experience
  • Proficiency in Windows Server administration, including Active Directory, Group Policy, DNS, DHCP, Hyper-V, and File and Storage Services
  • Experience with RDS-based VDI, including user provisioning and basic performance troubleshooting
  • Experience with Microsoft Exchange Server administration, including mailbox management, database maintenance, and troubleshooting
  • Experience with backup and recovery platforms (Data Protection Manager or equivalent enterprise solutions)
  • Strong documentation and communication skills, including maintaining runbooks and checklists
  • Security+ certification

Preferred Qualifications

  • Bachelor's degree computer science or a related area

Security Clearance Requirements:

  • TS/SCI w/ FSP

Physical Requirements:

  • Must be able to remain in a stationary position for extended periods of time
  • Needs to install various IT devices in racks and on desktops
  • The person in this position frequently communicates with co-workers, management and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

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