Designs, plans, implements, configures, maintains, monitors, secures, troubleshoots, upgrades, and replaces enterprise network infrastructure and related systems, including LAN/WAN, wired and wireless networks, cellular connectivity, VPNs, VLANs, routing and switching, VoIP, firewalls, load balancers, fiber-optic infrastructure, and other network technologies. Plans and supports network infrastructure projects, including new construction, facility renovations, hardware and software replacements, upgrades, expansions, and connectivity with external entities; conducts site surveys and technical assessments and coordinates implementation with departments, vendors, contractors, and other stakeholders.