G6 – Windows Server Administrator (Senior L1 / L1.5)
Role Summary
G6 admins act as senior L1 engineers capable of performing deep troubleshooting, validating changes, and interfacing with L2/L3 during critical incidents.
Key Responsibilities
Perform advanced troubleshooting for:
OS corruption or kernel issues
GPO inheritance or policy failure
Performance issues (handles/memory leaks)
DFS, DHCP, DNS failures
Analyze system logs and identify root cause patterns.
Validate complex change implementations performed by L2/L3 (pre/post checks).
Manage server patching exceptions, remediation, and validation of patch failures.
Execute recovery actions including:
Service rebuilds
Failed agent reinstalls
Event-log-based corrective actions
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NTT DATA – a part of NTT Group – IT and business services headquartered in Tokyo. We help clients transform through consulting, industry solutions, business process services, digital & IT modernization and managed services. NTT DATA enables them, as well as society, to move confidently into the digital future. We are committed to our clients’ long-term success and combine global reach with local client attention to serve them in over 50 countries around the globe.
