Provide on-site Tier 2/3 IT support and administration for Windows servers, Exchange Online, O365/Azure ecosystem, AD/Group Policy, virtualization (VMware/Hyper-V), VDI, and network devices. Troubleshoot LAN/WAN, firewalls (Cisco, Meraki, Fortinet, Aruba), manage DNS, execute small IT projects, produce documentation, and engage directly with clients to resolve escalated desktop, server, and network issues.