About the Company
We are seeking an experienced and technically hands-on OS / Infrastructure Administrator Lead to join our IT operations team. The successful candidate will bring 10 to 12 years of experience across virtualization platforms, Windows Server environments, backup and recovery operations, and cloud infrastructure — with a proven track record of leading and delivering complex migration projects end to end.
This role demands a qualified who can operate at both the strategic and execution levels: designing migration runbooks and governance frameworks, while simultaneously rolling up their sleeves to perform system upgrades, driver updates, compatibility validations, and hypervisor migrations. The candidate will also contribute to capability building within the team, including Hyper-V administration training.
About the Role
The successful candidate will bring 10 to 12 years of experience across virtualization platforms, Windows Server environments, backup and recovery operations,



and cloud infrastructure — with a proven track record of leading and delivering complex migration projects end to end.
Responsibilities
VMware ESXi Administration & Upgrades
Plan, schedule, and execute ESXi host upgrades across development, test, and production environments with minimal business disruption Apply driver updates, firmware patches, and VMware Tools refreshes in accordance with VMware compatibility matrices Conduct thorough post-upgrade host validation including v Sphere cluster health checks, datastore integrity, and network connectivity verification Maintain upgrade documentation, change records, and rollback procedures for all ESXi lifecycle activities Monitor ESXi host performance, resource utilisation, and HA/DRS configurations to ensure optimal virtualisation efficiency VMware to Hyper-V Migration
Lead end-to-end migration of virtual machines from VMware v Sphere to Microsoft Hyper-V, covering planning, execution, validation, and hypercare Perform VM hardware

📌 Os / infrastructure administrator lead (Bengaluru)
🏢 ElfOnze Technologies
📍 Bengaluru