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Microsoft System Administrator - Senior - #881 with Security Clearance

Allen Integrated Solutions LLCFort Belvoir, VA🇺🇸United StatesPosted Oct 6, 2026

Why This Role Stands Out

This senior Microsoft System Administrator role offers significant growth potential and the chance to work with cutting-edge technology in a hybrid environment. You'll thrive here if you have extensive experience in Windows Server administration, a knack for problem-solving, and a passion for mentoring others, all while contributing to critical projects with a required TS/SCI clearance.

Quick Overview

Seniority
Mid Senior
Employment type
Employee
Work mode
Hybrid
Location
Fort Belvoir, VA, United States
Posted
Yesterday
Active DirectoryDNSPowerShell

Job Description

Microsoft System Administrator - Senior - #881 Fort Belvoir, Virginia, United States Microsoft System Administrator - Senior - #881 Location: Fort Belvoir, VA   TS/SCI w/CI Poly REQUIRED Experience:

  • Eight years of progressively responsible experience in server administration, including supporting and managing servers in a production environment.
  • Five years of experience identifying and analyzing server requirements; planning the design and deployment of new technologies and upgrades.
  • Five years of experience applying industry best practices on Windows Server 2016 and later operating systems encompassing configuration, implementation, and security.
  • Eight years of experience on server administration in Microsoft (MS) Windows environments, including MS Windows Server 2016 and later configuration to include performance monitoring, tuning, and making recommendations to improve overall system performance and application efficiency.
  • Four years of management experience. Microsoft Active Directory, DNS, DHCP.
  • Three years of experience serving as a team leader working as both part of a team and independently to assign/review immediate tasks, set priorities, maintain task progress, validate team members’ work consistent with the organizational goals and deadlines.
  • Five years of experience mentoring junior personnel on proper practices and procedures.
  • Five years of experience in server administration applying systems patches and STIGs on a Microsoft (MS) Windows Server 2016 and later.
  • Four years of experience using PowerShell and other scripting languages to automate common and repeat tasks.

Certifications

  • TS/SCI clearance with SBI and ability to attain SI, TK, G, HCS, and NATO Secret clearance.
  • Microsoft Certified Solutions Associate (MSCA) or Windows Server 2012/ Windows Server 2016 Certification.
  • DoD 8140.03 IAT Level II /Intermediate certification.

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