NTT DATA
Website:
nttdata.com
Job details:
G6 – Hypervisor Administrator (Senior L1 / L1.5)
Role Summary
G6 engineers handle complex troubleshooting, perform deep diagnostics, support high severity incidents, validate L2/L3 changes, and guide junior resources.
Key Responsibilities
- Perform advanced troubleshooting on VMware & Hyper V:
- ESXi host isolation/PSOD analysis
- vCenter service issues
- DRS/HA failover problems
- VM performance bottlenecks (storage I/O, CPU co-stop, NUMA alignment)
- Perform advanced datastore and storage troubleshooting:
- Multipath issues
- Datastore latency
- NFS/iSCSI mount failures
- Validate changes implemented by L2/L3 (pre/post checks).
- Support cluster level operations:
- HA/DRS configuration validation
- Host maintenance mode validations
- Resource pool and folder permission checks
- Troubleshoot Virtual Networking:
- vSwitch/dvSwitch issues
- VLAN tagging mismatch
- Port group misconfiguration
- Identify recurring problems and raise RCA based Problem Tickets.
- Lead communication during outages affecting virtualization clusters.
- Contribute to runbooks, automation improvements, and SOP creation.
- Mentor G4/G5 engineers and ensure quality of escalations.
Skills Required
- 3–5+ years of virtualization experience in VMware / Hyper V.
- Expertise in ESXi, vCenter, virtual switches, storage connectivity, clustering concepts.
- Strong command-line skills (esxcli, PowerShell/PowerCLI).
- Understanding of DR concepts (SRM optional), HA/DRS logs, vSAN basics.
- Preferred: VMware VCP DCV, Microsoft Hyper V certification.
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