**Job Description**
We are seeking an experienced **Systems Administrator** to lead a team of system administrators in managing and maintaining critical infrastructure. The ideal candidate will possess a deep technical understanding of enterprise systems administration and a proven track record of operating within air-gapped (disconnected) networks. This role requires a disciplined approach to security, a commitment to rigorous compliance standards, and the ability to execute complex system updates and troubleshooting without external internet connectivity.

In this System Administrator position you will make impacts in the following ways:

+ Administer patch management for RHEL-based Linux and Windows systems, including vulnerability scanning, patch deployment, and compliance validation
+ Perform VMware patching and lifecycle operations
+ Perform Server and Exchange operations in an isolated environment
+ Manage and maintain TrueNAS storage systems, includi...