Design, implement, and manage VMware NSX and vRA environments; configure logical networking, distributed firewall, NAT, VPN, and load balancing; develop automated VM provisioning workflows; administer vSphere/vCenter/ESXi; automate deployments with PowerCLI/PowerShell/Python/Ansible/Terraform; integrate vRA with enterprise systems; perform upgrades, DR, capacity planning; provide Level 2/3 support and documentation.