This role supports a Windows-centric environment with on-premises Active Directory that is transitioning to Microsoft Entra ID, along with macOS and Linux endpoints, local networks and peripherals, and a mix of on-premises, AWS, Azure, and vendor-hosted cloud systems that keep lab production running. Networking: Understands core networking concepts including TCP/IP, DHCP, DNS, VLANs, Wi-Fi, and VPN; can use basic tools (ping, ipconfig, tracert, nslookup) to isolate connectivity problems before escalating.