Senior Windows Server Admin — HA Clustering & Automation

Quantum Management Services Ltd. is seeking an experienced Systems Administrator III to support and maintain mission-critical Windows Server infrastructure across on-premises and hybrid cloud environments.

The role is hands-on, server-focused, with responsibilities including SCCM patching, platform upgrades, high-availability clustering, production troubleshooting, and infrastructure automation. Collaboration with Infrastructure, Engineering, Security and SQL teams is key.