· Administer VMware vSphere environments, including vCenter, ESXi hosts, clusters, datastores and virtual machines.
· Perform daily infrastructure health checks, monitor performance and capacity, and resolve alerts and tickets in ServiceNow.
· Handle VM lifecycle tasks: provisioning, cloning, templates, snapshots, migrations, resource changes and decommissioning.
· Troubleshoot common issues across ESXi hosts, HA/DRS clusters, vSphere networking (vSwitch/vDS, VLANs) and storage (SAN/NAS).
· Carry out ESXi and vCenter patching, upgrades, firmware updates and certificate renewals under senior guidance.
· Support Windows and Linux server administration, including builds, patching and basic performance troubleshooting.
· Write and maintain PowerCLI/PowerShell scripts to automate routine tasks such as health checks, inventory and reporting.
· Support vulnerability remediation and compliance activities for the virtual infrastructure.
· Support Cisco UCS / Intersight hardware operations and lifecycle activities.
· Create and update documentation, including SOPs, runbooks and knowledge base articles.
· Participate in the on-call rotation and occasional after-hours maintenance windows.
· Collaborate with storage, networking, security and application teams to deliver reliable services to end users.