Experience supporting enterprise network infrastructure in hybrid environments, including on‑premise systems integrated with AWS networking (VPC design and routing, VPN and Direct Connect integrations, security groups, and NACLs). Hands‑on experience with network security technologies, including firewall platforms, firewall policies, NAT, VPNs, threat‑prevention concepts, and network access control (e.g., Cisco FTD/FMC, Fortinet FortiGate, Cisco ISE).