Suresh Krishna
VMware, Nutanix & Windows Administrator
Bengaluru,Karnataka
Work Preference
Summary
Virtualization & Infrastructure Engineer with 4 years of experience managing large-scale VMware and Nutanix environments. Skilled in VMware, Nutanix, PowerCLI, PowerShell, Ansible, automation, troubleshooting, disaster recovery, and infrastructure operations. Experienced in managing 250+ ESXi hosts, 20,000+ VMs, and 25+ Nutanix clusters while improving operational efficiency through automation and proactive monitoring.
Overview
4
4
years of professional experience
Work History
System Administrator — Virtualization & Infrastructure
Kyndryl India Pvt Ltd
Bengalure
03.2025 - Current
- Environment: VMware vSphere | Nutanix AHV | vROps | Prism | Enterprise Production
- Manage VMware and Nutanix environments supporting 250+ ESXi hosts and 20,000+ virtual machines in a 24x7 production setting
- Perform VM provisioning, storage expansion, and resource allocation to meet SLA commitments
- Monitor and optimize cluster performance using vROps & Prism, maintaining >99.9% infrastructure uptime
- Develop and maintain automation scripts (PowerCLI, Bash) for VM snapshot cleanup and daily capacity reporting saving 4+ hours of manual work per week
- Manage ESXi patching and upgrades using vSphere Lifecycle Manager and patch baselines, reducing patch cycle time by 30%
- Configure and maintain Host Profiles for cluster-wide compliance across 15+ clusters
- Provide L2/L3 troubleshooting for VM, storage, and cluster incidents; perform root cause analysis (RCA) for host and VM performance issues
- Resolve snapshot consolidation failures and disk contention issues, reducing alert volume by 80%
- Simplified troubleshooting processes by creating detailed documentation for system configurations, procedures, and best practices.
- Improved security measures by conducting vulnerability assessments and applying necessary patches.
VMware Administrator
NCG (Net Connect Global)
Bengaluru
06.2022 - 02.2025
- Environment: VMware ESXi 6.x/7.x | Nutanix AOS/AHV | Multi-tenant Client Infrastructure
- VMware Administration
- Installed, configured, and upgraded VMware ESXi hosts (6.7, 7.0) and managed vCenter environments for 10+ enterprise clients
- Managed full VM lifecycle OS installation, tools configuration, template deployment supporting 5,000+ VMs
- Performed vMotion, Storage vMotion, and Cold Migration, snapshots, operations across maintenance windows with zero service disruption
- Configured and extended LUN-based datastores monitored CPU, RAM, disk, and network utilization using vROps
- Managed HA/DRS configurations including DRS affinity/anti-affinity rules and automation levels to ensure high availability
- Created and customized VM templates in vCenter, reducing new VM deployment time by ~40%
- Nutanix Administration
- Installed, configured, and upgraded 25+ Nutanix clusters with AOS/AHV, maintaining RF2/RF3 data resiliency
- Managed storage containers, volume groups, and replication factors; performed cluster expansion via Lifecycle Manager (LCM)
- Implemented disaster recovery using Protection Domains and Remote Site Replication (Async/NearSync) for critical workloads
- Configured VLANs, NIC bonding, and AHV virtual switches for network segmentation and redundancy
- Integrated Nutanix clusters with VMware vSphere for hybrid workload support
- Managed Nutanix Files and Objects for enterprise storage services, supporting 50+ TB of data
- Enhanced system performance by optimizing VMware configurations and settings.
Education
B.Sc. - Computer Science
Sri Venkateswara University
Tirupati, Andhra Pradesh01-2021
Skills
Vmware ESxi, Vcenter
Virtualization: VMware ESXi 67, 703, 80 vCenter vROps Aria Operations & Logs Nutanix AOS/AHV
Nutanix AOS, AHV
Networking: Standard vSwitch Distributed vSwitch (DVSwitch) NSX-T VLANs NIC Bonding
Automation & Scripting: PowerCLI PowerShell Bash Ansible
Storage: LUN configuration Datastore management Nutanix Files & Objects Volume Groups
Operating Systems: Windows Server 2008–2019
ITSM Tools: ServiceNow ICD ECM RCP Service now tool
Monitoring: vROps Prism Aria Operations Capacity Planning
Technical Support
KEY HIGHLIGHTS
- Managed 150+ ESXi hosts and 10,000+ VMs across enterprise production clusters, ensuring high availability and peak performance
- Administered 25+ Nutanix clusters (RF2/RF3) with AOS/AHV in multi-tenant environments, maintaining seamless workload isolation and stability
- Slashed snapshot-related datastore alerts by 80% by engineering a PowerCLI automation framework significantly reducing ops team toil
- Deployed Nutanix NearSync replication for critical workloads, achieving near-zero RPO and strengthening business continuity posture
- Executed live VM migrations across multiple maintenance windows with zero downtime, zero business impact
- Eliminated manual effort entirely by automating daily capacity reporting across VMware and Nutanix delivering consistent, accurate insights at scale
Timeline
System Administrator — Virtualization & Infrastructure
Kyndryl India Pvt Ltd
03.2025 - Current
VMware Administrator
NCG (Net Connect Global)
06.2022 - 02.2025
B.Sc. - Computer Science
Sri Venkateswara University