Network Engineer
London (City Thameslink) Hybrid (3 days office) The Opportunity
We are currently looking for a Network Engineer with strong Cisco ISE experience to join a leading professional services firm based in London. You'll play a key role in maintaining and evolving a modern enterprise network, working with cutting-edge Cisco, Palo Alto and cloud technologies. This is a high-visibility role in a collaborative IT team with real scope to influence future projects. Key Responsibilities * Design, implement & manage LAN/WAN infrastructure (Cisco Catalyst, Nexus). * Lead on Cisco ISE authentication & Cisco Wireless LAN solutions * Configure & maintain Palo Alto Prisma Access, FortiGate Firewalls & SD-WAN. * Support Azure networking, routing (BGP, OSPF) & Layer 2/3 fundamentals. * Troubleshoot, optimise & secure complex enterprise networks. * Partner with IT / security teams to strengthen resilience & compliance. Required Experience * Strong experience with Cisco ISE - essential * In-depth knowledge of core network fundamentals including Layer 2/3 technologies, routing protocols such as BGP and OSPF and network troubleshooting * Proven experience with Cisco's range of products including Catalyst and Nexus switches * Previous experience maintaining, troubleshooting, and supporting Wireless LAN Controllers and associated Wi-Fi network - essential * Good knowledge of Palo Alto firewalls - essential * Understanding of Azure cloud stack - preferred but not essential * HLD/LLD Documentation skills * Strong understanding of network security protocols, including RADIUS, wireless protocols, Cisco Wireless LAN configurations, and security principles. * Cisco Certified - essential What's on Offer * Opportunity to work on a wide range of Networking projects covering Cisco ISE, wireless, Firewalls & Azure cloud stack * Opportunity to shape future infrastructure in a forward-thinking team * Hybrid working (3 days in office) Apply now to join a progressive IT function driving real transformation
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