Senior System Administrator

This role will support infrastructure modernization efforts, focused on operating system, virtualization, and hardware firmware upgrades across the environment.

Day-to-Day Responsibilities

Perform Windows Server 2016 OS upgrades across remaining servers (approximately 200-300 systems)

Upgrade VMware environments from version 7 to 8, including ESX host upgrades

Execute firmware upgrades on HP and Dell servers to current supported versions

Coordinate upgrade activities to minimize downtime and ensure system stability

Validate systems post-upgrade and troubleshoot any issues that arise

Document upgrade procedures, changes, and outcomes

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Hands-on experience performing Windows Server OS upgrades (Server 2016 or similar)

Strong VMware experience, including ESX host upgrades

Experience upgrading server firmware on HP and Dell hardware

Ability to work through large-scale upgrade initiatives in a structured manner Experience supporting environments with hundreds of servers

Familiarity with change management and documentation standards

Prior experience in enterprise infrastructure environments