Senior Network & Perimeter Security Engineer
Core
Senior-level support and management of configuration, security, and lifecycle for enterprise LAN, WAN, switching, routing, firewall, wireless, and IT/OT boundary infrastructure.
Role type
Senior Network & Perimeter Security Engineer
Builds
Secure and resilient network infrastructure for municipal water utilities, including IT/OT boundary controls.
Domain
Utilities / Industrial Facilities / Critical Infrastructure / OT/ICS
Required skills
Cisco switching and routing, BGP, Palo Alto firewalls, Panorama, GlobalProtect, enterprise wireless, WAN redundancy, network change control, lifecycle management, IT/OT boundary security, SCADA environment awareness
Preferred skills
Meraki experience, CCNP Enterprise, PCNSE, OT/ICS cybersecurity training or certification, EPA Water Sector Cybersecurity guidance knowledge, CISA ICS-CERT advisories knowledge
Technologies
Cisco, Palo Alto, Panorama, GlobalProtect, Meraki, BGP, VLANs, STP, QoS, ACLs, NAT, VPN
Responsibilities
Manage security policies, NAT, logging, security profiles, firmware, VPNs, troubleshooting, lifecycle activities, and hardening for Palo Alto firewalls. Manage Cisco switching and routing including VLANs, Layer 2 and Layer 3 troubleshooting, BGP, STP, QoS, ACLs, port security, firmware, and lifecycle planning. Maintain and troubleshoot WAN redundancy and the dual-circuit BGP environment. Administer Meraki access points and handle firmware, wireless coverage optimization, performance troubleshooting, capacity planning, and replacement recommendations. Maintain secure separation between IT and OT networks and monitor traffic across the boundary.
Seniority
Senior, hands-on IC
