Cisco switching and routing, Palo Alto firewalls and Panorama, Aruba networking and wireless, VPN technologies, NAC platforms such as Cisco ISE or Aruba ClearPass, load balancer awareness, network monitoring platforms, SIEM-integrated network log sources, and common enterprise tools used for ticketing, change control, and documentation. This role helps maintain network stability, security posture, and service continuity across firewalls, switching, routing, remote access, wireless, and connected security platforms while escalating complex design and architecture matters appropriately.