The engineer will provide senior-level technical expertise in the planning, design, implementation, and support of network infrastructure serving manufacturing and OT environments, while also providing advanced Cisco ISE administration, posture, profiling, authentication, authorization, and access-control capabilities. This position requires in-depth knowledge of HAEA's Network Infrastructure (LAN/Switches, DNS/DHCP, WAN, Load Balancers, VoIP, VPN, etc.) to address complex incidents and problems and to provide a stable and reliable infrastructure.