Kumaran S
Chennai
Summary
Experienced IT Infrastructure Engineer with expertise in Windows Server administration, VMware, and Nutanix AHV. Skilled in patching, hardening, disk management, IIS configuration, and file share permissions. Proficient in workload migration, in-place OS upgrades, and hypervisor transitions. Strong background in BAU operations, security compliance, and disaster recovery support. Hands-on experience in VMware management, SCCM patching, and domain re-joins.
Overview
6
6
years of professional experience
1
1
Certification
Work History
Windows Administrator
Tata Consultancy Services
06.2021 - Current
- Managed Windows patching, hardening, disk extensions, IIS configuration (based on user requests), and file share permissions
- Enabled password less communication between Windows and Linux systems
- Created and managed Windows quotas
- Managing and maintaining cluster thresholds and ensuring host compliance
- Worked on workload migration from VMware to AHV and re-imaging ESXI nodes to AHV via Foundation
- Performed in-place OS upgrades from Windows Server 2012, 2012 R2, and 2016 to 2019 and 2022
- Migrated workloads from Hypervisor to ESXI using V2V Converter
- ESXI patching via Lifecycle Manager
- Handled tickets and change management as part of BAU operations
- Performed server commissioning, decommissioning, and compliance maintenance related to patching, vulnerability assessments, and other security parameters
- Performed firmware upgrade for Lenovo, Dell and HPE servers
- L1 level Linux activities like user creation, LVM management, patching
System Executive
Cognizant
02.2019 - 06.2021
- Performed VMware activities such as VM snapshot creation, disk expansion, and CPU/memory addition
- Restored files and folders from VMs with dynamic disks
- Successfully deployed Microsoft security patches via Manage end point
- Provided full support for failover during disaster recovery activities
- Managed BAU operations and resolved P3 and P4 tickets
- Assigned user rights and permissions to shared resources and managed quotas
- Performed domain re-joins
Education
Bachelor of Engineering - EIE
Jeppiaar Engineering College
Chennai04.2018
Skills
- Windows
- Linux
- SCCM
- DCM
- Windows Server
- VMware
- Nutanix
- AHV
- Change Management
- Team management
- Resource Management
Websites
Certification
- Nutanix Cloud Associate (v6.5)
- AZ900
Awards
- Star of the Quarter, 08/01/24, Awarded for VMware to AHV migration
- Customer recognition, 02/01/23, Awarded for solving application access issue
- Star of the Quarter, 03/01/22, Awarded for V2V migration
- Star of the Month, 12/01/22, Awarded for eradicating 2012/R2 OS from entire Infra
Timeline
Windows Administrator
Tata Consultancy Services
06.2021 - Current
System Executive
Cognizant
02.2019 - 06.2021
Bachelor of Engineering - EIE
Jeppiaar Engineering College
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