Administer and troubleshoot network infrastructure, including switches, wireless access points, firewalls, VPNs, and overhead paging/speaker systems, using CIDR/subnetting, firewall rules, static routes, and VLAN knowledge; resolve escalated issues with root cause analysis, support disaster recovery and backup restore testing, and document fixes in the knowledge base. Deploy and maintain conference room technology (Teams Rooms, displays, speakerphones, cabling); administer office and conference room digital signage; administer phone systems including hard phones, mobile phones, and soft phones (e.g., Teams Phone, RingCentral, TalkDesk, etc.).