Demo

System Administrator - ITSD

MANTECH
Quantico, VA Full Time
POSTED ON 5/23/2026
AVAILABLE BEFORE 6/30/2026
MANTECH seeks a motivated, career and customer-oriented Systems Administrator to join our team USMC IT Service Desk in Stafford, VA.

Responsibilities Include But Are Not Limited To

  • Maintain multiple networks for over 600 users
  • Assist in administering and maintaining Windows servers, Windows Workstations, Virtual Machines, and other critical systems in an enterprise environment
  • Use Microsoft Service Manager, Remedy, ServiceNow, or other ticketing system to create, update, monitor, and close tickets
  • Diagnose and resolve technical hardware and software issues by conducting basic and tier II troubleshooting for servers, workstations, and applications within the Active Directory environment
  • Assist and support with account creations, resetting passwords, troubleshooting system and network problems, installation of hardware and workstations, unlocking accounts, and transferring data
  • Support Accreditation efforts, to include STIGS, POAMs, SAARs, and other critical Processes
  • Update/Create documentation as needed (user guides, admin guides, knowledge base articles, FAQs, quick reference guides)

Minimum Qualifications

  • At least 3 years of related experience in Service Desk or System Administration roles.
  • Meet DoD 8570 IAT Level II requirements
  • Experience with Active Directory (user account creation, password resetting, PKI setup, group policy, etc.)
  • Experience developing and maintaining system applications/security/network configurations
  • Experience troubleshooting network performances issues
  • Experience with the set-up, configuration, and support of internal and external networks

Preferred Qualifications

  • Knowledge of standard DoD and Marine Corps concepts, practices, and procedures.
  • Active Directory, Group Policy, Linux OS, Networks, MS Exchange, MS Lync, SCCM, Service Manager, MS Hyper-V, MS SQL Server, Networked Printers/Services, Distributed File Services, Data Protection Manager, SMB, JavaScript, SharePoint
  • PowerShell scripting using any/all the respective plugins related to the applicable technologies
  • Working knowledge of DoD STIGs related to the applicable technologies and how to implement, mitigate, and write POAM statements

Clearance Requirements

  • An active DoD Top Secret/SCI clearance is required for this position.

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.

Salary.com Estimation for System Administrator - ITSD in Quantico, VA
$109,364 to $142,467
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