• Manage IT infrastructure and service requests • Perform backups of systems and network devices • Administer and maintain Active Directory (users, groups, GPOs, policies) • Provide L2/L3 support for help desk and infrastructure issues • Manage and troubleshoot Windows Server environments • Support technologies including DFS, Terminal Servers, Hyper-V, IIS, SCOM, and File Servers • Oversee and troubleshoot VMware infrastructure • Manage and support Citrix XenApp / XenDesktop 7 environments • Configure and maintain NetScaler policies • Install, configure, and troubleshoot XenDesktop 7 • Support hosted shared desktops and persistent/non-persistent VDI • Work with DNS, DHCP, Certificate Authority, and RADIUS servers • Collaborate with cross-functional teams to ensure system stability