Windows Systems Architect – HPC, VDI & Secure Infra

Colsa-; Huntsville (AL); On-site; USD 80,000 - 120,000; Full time

Job summary

COLSA Corporation seeks a Windows Systems Administrator to support the Missile and Space Intelligence Center (MSIC) in Huntsville, Alabama. This on-site role manages a highly virtualized IT environment, including Windows Server, Nutanix HCI, VDI, and HPC systems to ensure security, reliability, and mission readiness.

You will design, deploy, and maintain Windows Server and Workstation environments, administer VDI and HPC workloads, enforce STIG compliance, patching, and vulnerability management,

Qualifications

• Requires an associate degree or higher in information technology or a related field.
• Active DoD Top Secret clearance with SCI eligibility and CI polygraph is required.
• Must possess an active CompTIA Security+ CE, ISC2 SSCP, or equivalent baseline certification.

Responsibilities

• Architect, deploy, and maintain Windows Server and Workstation environments running on Nutanix HCI, managing hypervisor resources, storage, and bare-metal systems.
• Administer enterprise-scale Windows Virtual Desktop Infrastructure (VDI) and high-performance computing environments to support complex analyst workflows.
• Execute STIG compliance, OS/application patching, and continuous vulnerability management across isolated networks to maintain a secure posture.
• Provide end-to-end technical support, system troubleshooting, AD 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 for site refreshes.

Skills

Windows Server administration

Active Directory management

PowerShell automation

GPO management

TCP/IP DNS Firewall basics

Nutanix Hyperconverged Infrastructure

Security+ or SSCP certification

Education

Associate’s degree in information technology or related field

Bachelor’s degree in information technology (preferred)

Tools

Ansible

PowerShell SCCM

WSUS

Nutanix HCI

Job description

COLSA Corporation seeks a Windows Systems Administrator to support the Missile and Space Intelligence Center (MSIC) in Huntsville, Alabama. This on-site role manages a highly virtualized IT environment, including Windows Server, Nutanix HCI, VDI, and HPC systems to ensure security, reliability, and mission readiness.

You will design, deploy, and maintain Windows Server and Workstation environments, administer VDI and HPC workloads, enforce STIG compliance, patching, and vulnerability management,