Systems Administrator

Company: ManTech International
Location: Fort George G Meade
Posted on: March 6, 2026

Job Description:

ManTech, a leader in providing cutting-edge technologies and solutions for mission-critical national security roles, is currently seeking a skilled Systems Administrator to support our dynamic IT team. In this role, you will be responsible for managing, maintaining, and troubleshooting our computer systems and servers, ensuring operational excellence and secure services for our network of government partners. This position offers the opportunity to work on vital projects that have direct impacts on national security. Install, configure and support local area network (LAN), wide area network (WAN), and Internet systems. Monitor networks to ensure security and availability to specific users. Evaluate and modify system's performance, identify user needs, and ensure system compatibility. Maintain integrity of the network, server deployment, and security. Ensure network connectivity of all workstations. Administer servers, desktop computers, printers, routers, switches, firewalls, software deployment, security updates and patches. Proficiency with configuring and maintaining UNIX/Linux and Windows environments. Strong understanding of networking concepts, including TCP/IP, LAN/WAN, DHCP, DNS, and Active Directory. Experience with virtualization technologies, such as VMware and Hyper-V. Knowledge of system security techniques and firewall management. Ability to troubleshoot complex technical issues. CompTIA Security Microsoft Certified Systems Administrator (MCSA) Cisco Certified Network Associate (CCNA)

Keywords: ManTech International, Ellicott City , Systems Administrator, IT / Software / Systems , Fort George G Meade, Maryland

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