We are seeking an experienced and hands-on Global System Administrator to join our Singapore team. The ideal candidate brings a minimum of 10 years of experience managing complex, multi-system IT environments with a strong focus on Windows Server infrastructure. You will be responsible for the installation, upgrade, configuration, administration, and maintenance of a broad range of systems and appliances, while managing projects end-to-end — including professional services coordination, handovers, and documentation.

Key Responsibilities:

Infrastructure & Virtualisation

• Administer and manage 100+ virtual servers running Windows Server 2019 and 2025.
• Manage VMware vCenter and ESXi environments, including automation via PowerCLI and vRealize Orchestrator.
• Maintain NetApp MetroCluster SAN storage, including NFS/CIFS and MPIO configurations.
• Support and manage Data Centre operations, including...