Network Security Engineer - Palo Alto Firewall (SC Cleared)
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Summary
Mid-level network security engineer keeping an enterprise firewall and SASE estate secure and available: ITIL-driven incident, problem and change management, advanced troubleshooting, and controlled production changes on Palo Alto/Fortinet platforms in a regulated environment. Onsite in Teddington, London; SC clearance required.
Salary: £70,000 - 75,000 per year Requirements: Strong knowledge of TCP/IP, DNS, DHCP, NAT, TLS, HTTP/S, static and dynamic routing (BGP, OSPF), VRFs, and network segmentation. Hands-on experience administering enterprise next-generation firewalls, including policies, NAT, VPNs, security profiles, upgrades, patching, and rule recertification. Advanced troubleshooting using packet captures, logs, and monitoring tools, including diagnosis of asymmetric routing, MTU, authentication, and applicatio…