Windows Systems Administrator (MSIC)

COLSA Corporation is seeking a Windows Systems Administrator to support the Missile and Space Intelligence Center (MSIC) in Huntsville, Alabama. This on-site role involves administering, maintaining, and securing a highly virtualized IT environment, including Windows Server systems, Nutanix hyperconverged infrastructure (HCI), virtual desktop infrastructure (VDI), and high-performance computing (HPC) systems. The selected candidate will help ensure these systems remain secure, reliable, and operating efficiently to support mission requirements.

• Design: Architect, deploy, and maintain robust Windows Server and Workstation environments running primarily on Nutanix HCI, managing hypervisor resources, storage containers, and bare-metal systems.
• Administer enterprise-scale Windows Virtual Desktop Infrastructure (VDI) and specialized Windows-based high-performance computing (HPC) environments to support complex analyst workflows.
• Execute rigorous STIG compliance, OS/application patching, and continuous vulnerability management across isolated networks to maintain a zero-friction ATO posture.
• Provide end-to-end technical support, system troubleshooting, active directory management, and user environment management for the enclave’s user base.
• Architect the infrastructure of tomorrow, streamline administrative automation, and evaluate next-generation hardware and software solutions for site refreshes.

At COLSA, people are our most valuable resource and are at the center of our core values. We invite you to unite your talents with opportunity and become part of our “Family of Professionals!” Learn more about our employee-centric culture and benefits here: https://colsa.com/culture_benefits