Shiva Singh

Senior Citrix & EUC Infrastructure Engineer with 9+ years of experience managing enterprise Virtual Desktop Infrastructure (VDI), Microsoft Azure cloud environments, and End User Computing (EUC) operations. Hands-on expertise across Citrix XenDesktop/XenApp, Citrix machine catalogs, Delivery Groups, published applications, Azure Virtual Desktop (AVD), VMware Horizon, and VMware vSphere/ESXi administration, supporting up to 2,000+ concurrent enterprise users. Proven track record in VDI troubleshooting, VDA upgrades, VM provisioning, application delivery, monitoring, patch management, PowerShell automation, and L2/L3 incident resolution with 98%+ SLA compliance.

Senior System Engineer | L3 – Virtualization Administrator - Ahead Corp.

(2024-05)

Project: Celnar POD Environment: Citrix | Azure | AVD | VMware Horizon | VMware ESXi | SCCM | ControlUp | Nerdio | PowerShell

• Administer enterprise-scale Citrix, Azure Virtual Desktop (AVD), and VMware Horizon environments supporting 1,000+ users across highly available VDI infrastructure.
• Provide L3 support for cloud and virtualization infrastructure incidents, maintaining 98%+ SLA compliance.
• Manage Azure subscriptions, AVD host pools, virtual machines, and infrastructure resources across enterprise cloud environments.
• Support VMware vSphere infrastructure consisting of 50+ ESXi hosts and 800+ virtual machines.
• Manage Citrix machine catalogs, delivery groups, and published applications for enterprise VDI deployments.
• Perform VM provisioning, datastore optimization, vMotion activities, and infrastructure performance tuning.
• Monitor enterprise VDI environments using ControlUp DEX, reducing recurring performance incidents by approximately 30%.
• Manage patching, maintenance, and health checks for 500+ virtual servers and session hosts while maintaining high infrastructure availability.
• Troubleshoot critical infrastructure issues including user profile management, session connectivity, application launch failures, VM registration, storage latency, and performance bottlenecks.
• Deploy enterprise applications using SCCM and HPCA; develop PowerShell automation scripts for health checks and VM operations, reducing manual effort by approximately 40%.
• Collaborate with cloud, infrastructure, networking, and application teams to resolve critical incidents and improve infrastructure stability.

Associate Consultant | L2 – Virtualization Administrator - HCL Technologies

(2023-05 - 2024-05)

Project: VWS – Virtual Workspace Support Environment: Citrix XenDesktop | VMware Horizon | Azure AVD | SCCM | VMware vSphere

• Administered Citrix XenDesktop 7.6 and XenApp 6.5 environments supporting large-scale enterprise VDI operations.
• Managed VMware Horizon infrastructure and desktop pools supporting 2,000+ enterprise users.
• Provisioned pooled and persistent virtual desktops while maintaining high platform availability.
• Managed Citrix machine catalogs, delivery groups, and published applications using Citrix Studio.
• Performed VM provisioning, datastore management, and infrastructure health monitoring across enterprise virtualization environments.
• Installed and upgraded Citrix VDA versions across production environments with minimal user disruption.
• Supported Azure Virtual Desktop (AVD) operations including session host management and infrastructure optimization.
• Troubleshot VDI connectivity, profile management, and application delivery issues, improving incident resolution timelines by approximately 35%.
• Deployed enterprise applications using SCCM and HPCA; performed infrastructure patching, monitoring, and maintenance across VMware and Citrix platforms.
• Supported Active Directory administration including user provisioning and Group Policy management.

System Administrator | L2/L3 – System Virtualization Administrator - MassMutual

(2022-04 - 2023-05)

Environment: VMware ESXi | VMware vSphere | VMware Horizon | Citrix | Windows Server

• Managed VMware vSphere infrastructure including HA, DRS, and FT-enabled clusters across enterprise virtualization environments.
• Administered 40+ ESXi hosts and 600+ enterprise virtual machines supporting critical business applications.
• Executed P2V and V2V migrations for 250+ virtual machines using VMware Converter with minimal production downtime.
• Managed VM provisioning, templates, cloning, resource pools, and infrastructure optimization activities.
• Configured VMware standard and distributed virtual switches, including VLAN implementations.
• Performed VM migrations using vMotion and Storage vMotion technologies.
• Managed VMware Horizon desktop refresh, recompose, and VDI lifecycle management activities.
• Installed infrastructure patches using VMware Update Manager while maintaining high infrastructure uptime.
• Supported VMware Horizon implementation and VDI administration for enterprise users.
• Worked on Auto-Build Server and Ansible-based infrastructure deployment activities.
• Successfully supported ESXi host migration from Gen9 to Gen10 infrastructure.

System Administrator | L2/L3 – System Virtualization Administrator - High Radius Technologies

(2021-09 - 2022-03)

Environment: VMware vSphere | Windows Server | Enterprise Backup & Monitoring Tools

• Managed and monitored virtualization infrastructure environments, including OS and enterprise software installation/configuration.
• Supported infrastructure monitoring, troubleshooting, backup, and security-related operations.
• Developed custom automation scripts to streamline repetitive support activities.
• Provided technical guidance to support teams on infrastructure-related issues.

Administrator | L2 – Virtualization Administrator - Wipro Technologies

(2016-12 - 2021-09)

Project: VWS – Virtual Workspace Support Environment: Citrix XenDesktop | Citrix XenApp | VMware Horizon | VMware vSphere

• Administered Citrix XenDesktop 7.6 and XenApp 6.5 environments for enterprise VDI operations.
• Managed VMware Horizon desktop pools and VDI infrastructure, provisioning and maintaining virtual desktops for enterprise users.
• Supported VDI troubleshooting, profile management, and application deployment; managed machine catalogs, delivery groups, and published applications.
• Performed health checks, monitoring, and patching activities; supported VMware vCenter operations and VM migrations.
• Improved issue resolution efficiency through proactive monitoring and troubleshooting across a 5-year tenure.

Master of Computer Applications (MCA) - MAKAUT University (Formerly WBUT) (2015)

Bachelor of Computer Applications (BCA) - MAKAUT University (Formerly WBUT) (2012)