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Junior Windows Administrator with Secret Clearance
CALNET, Inc.Washington, United Statesfull_timeVerifiedPosted 26 Feb 2026
About the role
Founded in 1989, CALNET, Inc. has become one of the fastest growing privately held companies in the Technology, Intelligence Analysis, and Language Services consulting arena. Headquartered in Reston, VA, CALNET employees deliver true value to our customers by employing best practices, world-class technologies industry expertise in every project. CALNET is ISO 9001, ISO 20000, and CMMI-Level III certified
As a Prime Government Contractor for a major government institution, we are currently searching for a talented Junior Windows System Administrator with Secret Clearance to work in Washington DC.
JOB REQUIREMENTS: A Junior Windows Systems Administrator maintains and secures Windows-based IT infrastructure, including servers, Active Directory, and workstations. Key duties involve user account management, patching, software deployment, system monitoring, and providing Tier 2/3 technical support. They typically require 0-3 years of experience and work under senior staff to ensure network stability and security.
Key Responsibilities
- Windows Infrastructure Management: Install, configure, and maintain Windows Server operating systems, Active Directory (AD), Group Policy (GPO), and DNS/DHCP.
- System Maintenance & Patching: Perform routine server backups, monitor system performance (CPU, memory), and apply security patches.
- User & Access Management: Create, modify, and delete user accounts, manage permissions, and handle password resets.
- Technical Support: Provide patching to servers, daily monitoring of the Network, Tier II/III support to resolve complex workstation and server-side issues.