Full-Time

Senior Windows Systems Administrator

Updated on 9/9/2026

CALNET

CALNET

No salary listed

No H1B Sponsorship

Washington, DC, USA

In Person

US Top Secret Clearance Required

Bachelor's

Category
IT Operations (1)
Required Skills
SolarWinds
PowerShell
Microsoft Azure
LDAP
Computer Networking
Role-based Access Control
VMWare
Requirements
  • Experience administering Microsoft Active Directory, including Domain Controller experience.
  • Experience with on-premises Microsoft Exchange and Database Availability Group (DAG) environments.
  • Experience with DNS, Microsoft Endpoint Configuration Manager (MECM), vCenter/VMware, on-premises SQL Availability Groups (SQL AG), SolarWinds, and backup systems.
  • CompTIA Security+ certification.
  • Bachelor's degree in Computer Science, Information Technology, or equivalent experience.
  • At least 5 years of experience in Microsoft Windows system administration.
Responsibilities
  • Provision, configure, and manage infrastructure resources, including virtual machines, virtual networks, storage accounts, and database services.
  • Administer Microsoft Active Directory, implement Role-Based Access Control, manage user permissions, and ensure compliance with security policies.
  • Monitor system health, performance, and usage metrics; perform cost optimization and troubleshoot incidents to ensure high availability.
  • Support hybrid environments, on-premises networking, and server patching.
  • Configure and manage backups, replication, and data restoration services.
  • Manage, secure, and optimize the organization's Microsoft infrastructure.
  • Deploy virtual machines and automate administrative tasks using PowerShell and command-line interfaces.
Desired Qualifications
  • Experience with Virtual Desktop Infrastructure (VDI).
  • Experience with cloud environments, particularly Microsoft Azure.

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