Shanmugasundaram S

• Plan, implement, and administer VMware infrastructure, including ESXi hosts, vCenter Server, vMotion, DRS clusters, and virtual networking (vDS, VLANs).
• Perform VMware capacity planning, performance monitoring, and infrastructure lifecycle management.
• Execute VMware migrations, P2V/V2V conversions, and manage patching via Lifecycle Manager.
• Planning, scheduling, and implementing the collective migration of VMs for hardware tech refresh, etc.
• Configure, monitor, and maintain Cisco UCS blade systems and Fabric interconnects, including service profiles, BIOS policies, and firmware upgrades.
• Collaborate with storage teams to integrate VMware environments with SAN/NAS solutions.
• Develop and maintain documentation on system architecture, configurations, standard operating procedures, and disaster recovery plans.
• Provide escalation support for virtualization and hardware issues within enterprise environments.
• Conduct performance tuning and hardware capacity forecasting to support long-term scalability.
• Support Windows Server tasks, including basic AD operations, group policy troubleshooting, login script creation, and security patching.
• Participate in security audits, and ensure compliance with IT governance standards.
• Lead or assist in data center expansion, hardware refresh cycles, and environment re-architecture initiatives.

• Managed and maintained enterprise-grade VMware environments, including vSphere, ESXi, and vCenter, to ensure optimal virtual infrastructure performance.
• Designed and administered Windows Server Failover Clustering for high availability of critical applications and services across physical and virtual nodes.
• Performed routine system updates and patches for Windows servers, adhering to compliance standards, and minimizing vulnerabilities.
• Led virtual machine provisioning and lifecycle management, including snapshots, cloning, and resource allocation across production and test environments.
• Implemented and managed vSAN clusters for hyper-converged infrastructure, optimizing storage utilization, and improving scalability.
• Troubleshot performance bottlenecks and hardware issues related to virtualized systems, achieving faster resolution times and minimal downtime.
• Supported disaster recovery strategies by configuring replication, backup scheduling, and off-site failover environments within VMware.
• Collaborated with cross-functional teams, including networking and storage, to maintain seamless integration across data center operations.
• Used monitoring tools like vSphere Client and basic PowerCLI scripts for performance analysis, reporting, and proactive health checks.
• Documented system changes, configurations, and operational procedures, contributing to streamlined audits and onboarding for new admins.

• Managing Windows Server and Virtualization Technologies for 2,000+ remote and onsite users.
• Installed, configured, and supported Microsoft technologies on the Windows Server 2003/2008/2012 platform, hosting web and database applications while maintaining security patches, antivirus updates, backups, monitoring, and performing routine server maintenance.
• Responsible for creating user accounts, configuring home drive profiles, groups, organizational units, and applying appropriate group policies to manage permissions.
• Monitored system performance and diagnosed software and hardware problems with the performance monitor and PAL.
• Expertise in providing secured file share permission and able to manage effective file permission.
• Managing Windows Failover Clustering features in the event of a point of failure and deploying Windows security patches on the cluster node without interrupting the cluster service.
• Utilize Windows Server Update Services to manage and deploy security patches.
• Managed firmware and software updates, and package creation for physical servers.
• Interface with Application Support Specialists, system users, and vendor contacts to meet operational requirements.
• Managing BigFix, F5 Load Balancer, and BigFix tools to collect inventory information in various environments.
• Managing Hyper-V server by creating a new guest operating system, creating and managing checkpoints, and managing virtual disks (VHD and VHDX).
• Designed and implemented Hyper-V, enabling Hyper-V Replica replication for virtual workloads, and managing Integration Services.
• Maintained a virtual Hyper-V infrastructure spanning all three environments. Multiple Hyper-V hosts for capacity and redundancy, utilizing NIC teaming and VLAN trunks for network redundancy.
• Troubleshoot server hardware issues such as boot problems, blue screens, resource failover issues, source application performance problems, and determine the root cause of hardware resource constraints; remediate issues, and engineer a global solution to prevent recurrence.
• Leveraged PowerShell to automate tasks and maximize productivity.
• Datacenter migration and rack re-stacking effort; gathered requirements for the scope of work by using PowerShell scripts to inventory server MAC and SAN WWNs to gather switch connections. Using Microsoft Project, I created an overall server infrastructure project plan and worked with different support groups to align work activities into the scheduled maintenance window.

• Installation and Configuration of Virtual machines.

• Creating templates for VM deployments and configuration.

• Installing and Upgrading VMware Tools for Virtual machine.

• Migrate, manage virtual machines, and ensure high availability of applications.

• Upgrading Esxi host from 5.1 to 5.5 using Update Manager and applying host profile.

• Configuration and managing HA, vMotion, taking snapshots and restoring snapshots of VM's. • Day to day administration and monitoring of VMware infrastructure.
• Troubleshooting on rare issues on VM's, Esxi hosts and vCenter servers with collecting, gathering actual data in case the issue is beyond the scope.

• Configuration and management of Esxi Servers, VMware Virtual Centers, VMware DRS & HA.