Server and Windows desktop estates, Active Directory, Group Policy, DNS, DHCP, DFS and file and print services with Linux (Ubuntu)Microsoft 365 and Entra ID, Intune, including Exchange Online, SharePoint, Teams, multi-factor authentication and Conditional AccessVMware vSphere and vCenter, with Veeam Backup & Replication and object … environment, including fault diagnosis, performance management, patching and security hardening.Solid Windows Server administration, including Active Directory and Group Policy.Experience administering Microsoft 365 and Entra ID.A working understanding of TCP/IP networking, DNS, routing, VPNs and firewall policy: enough to establish whether a fault sits in the application ...