Network Engineer

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.