Demonstrated hands-on experience with vSphere, vCenter, ESXi, Horizon Connection Servers, Windows and Linux master images, and instant-clone desktop pools, including image versioning, snapshot management, Horizon Agent integration, image publishing and push operations, provisioning failures, clone lifecycle troubleshooting, application virtualization, and user profile or environment management. Experience creating and sustaining RHEL-based Omnissa Horizon instant-clone pools, including master image preparation, Horizon Agent configuration, Active Directory or SSSD integration, image publishing, and authentication or session troubleshooting; experience with Citrix or comparable virtual desktop platforms, storage area networks, and performance monitoring.