Network Architect - Squid Proxy and Palo AltoKent / Hybrid - 2 days per week onsiteUp to 780 per day inside ir35Active SC clearance - Sole UK National We are seeking an experienced Network Architect / Senior Network Engineer with strong hands-on expertise in Squid Proxy, Palo Alto Next-Generation Firewalls (NGFW) and App-ID technologies to support and enhance secure enterprise network infrastructure.This is an excellent opportunity for a technically strong network security specialist to take ownership of critical proxy and firewall services, focusing on secure web access, application visibility, security policy management and network optimisation.Key ResponsibilitiesDesign, implement, configure and support enterprise Squid Proxy environments, including forward, reverse and transparent proxy deployments.Administer and optimise Palo Alto Next-Generation Firewalls, including Panorama management.Develop and maintain granular firewall security policies using Palo Alto App-ID, User-ID and Content-ID technologies.Configure and manage URL filtering, Threat Prevention, WildFire, GlobalProtect and SSL decryption.Manage proxy ACLs, authentication integrations, SSL inspection and web filtering policies.Review and optimise firewall rule bases, transitioning legacy port-based rules towards application-aware security policies.Troubleshoot complex network and application connectivity issues across Layers 2-7.Perform packet analysis using tools such as Wireshark and tcpdump.Support firewall ..... full job details .....