Microsoft Windows Server, Active Directory, Microsoft Entra ID, Azure Arc, Microsoft 365 and hybrid Exchange, Dell server and SAN infrastructure, Azure Stack HCI, Windows Server Failover Clustering, Veeam, Azure-hosted remote desktop, VPN services, PowerShell, Azure Automation, Freshservice workflow automation, IIS, SQL Server infrastructure, and Meraki switches, firewalls, and wireless. Provide infrastructure-level support for IIS and SQL Server hosted services, including Windows and SQL authentication, Kerberos/SPNs, service identities, TLS certificates, connectivity, backup integration, availability concepts, and troubleshooting.