Senior IT Systems Administrator responsible for implementing, maintaining, and supporting enterprise IT infrastructure across Windows Server and Linux environments. Key duties include administering Active Directory, managing virtualization platforms (VMware vSphere/Horizon), supporting hybrid cloud and Microsoft Entra ID deployments, and developing automation scripts in PowerShell, Bash, or Python.… The role requires strong troubleshooting skills, security best practices implementation, and collaboration with IT teams on infrastructure, compliance, and incident response.