Network Engineer Cisco / Arista / SD-WAN / Multi-Site European WAN Sunbury-on-Thames (Hybrid - 3 days on-site p/w) 50,000 - 60,000 + BenefitsAre you a network specialist who wants genuine ownership rather than a ticket queue? This is a hands-on role with a live project attached: a migration of the edge switching estate from Cisco to Arista across multiple buildings, with a firewall replacement following close behind.A globally recognised company based in Sunbury-on-Thames is looking for a Network Engineer to join its MIS function. You''ll own the day-to-day availability, performance and security of the network across the UK and Europe, working to an architecture and security standard set by the global US head office and within a well-established ISO 27001 framework.Your Key ResponsibilitiesProject Delivery: Play a central role in migrating the edge switching estate from Cisco to Arista, and in the firewall replacement programme that follows.Multi-Site Network Operations: Administer and support LAN, WAN and site-to-site connectivity across the UK, Paris and Munich, ensuring consistent availability and performance.Enterprise Infrastructure: Configure, manage and maintain switches, routers, firewalls, SD-WAN and wireless across all European locations.Security and Compliance: Maintain network security controls in line with ISO 27001, managing firewalls, VPNs, VLANs and access control policies.Proactive Monitoring and Resolution: Monitor performance, availability and capacity, ..... full job details .....