Senior Network Engineer

We’re looking for a Senior Network Engineer to design, secure, and operate a large-scale hybrid network across Microsoft Azure, corporate offices, datacentres, and a nationwide retail estate.

This is a hands‑on role with architectural input, covering Azure networking, enterprise LAN/WAN, firewalls, SD‑WAN, hybrid connectivity, and retail store networking. You’ll be responsible for availability, performance, resilience, and security across both corporate and customer‑facing environments.

• London Based

What You’ll Do

• Design and operate Azure networking (VNets, routing, Azure Firewall, VPN Gateway, ExpressRoute, load balancing)
• Manage enterprise LAN/WAN using Cisco, Meraki, Aruba, Juniper, or equivalent
• Deploy and support firewalls (SonicWall, Palo Alto, Fortinet) and secure network segmentation
• Design and support retail store networks (Meraki, SD‑WAN/MPLS, POS connectivity, Wi‑Fi, 4G/5G failover)
• Operate hybrid connectivity between Azure and on‑prem environments
• Monitor and troubleshoot complex network issues across cloud, datacentre, and retail
• Automate network builds using Terraform, PowerShell, Python, or Azure CLI
• Work with vendors, carriers, and service providers to maintain SLA performance
• Enterprise routing, switching, and firewall expertise
• Proven retail networking and POS support experience
• Deep knowledge of TCP/IP, BGP, OSPF, VPNs, DNS/DHCP, IPv4/IPv6
• Experience with SD‑WAN and hybrid cloud connectivity
• Excellent troubleshooting and documentation skills
• Azure Virtual WAN or cloud firewalls
• AWS networking exposure

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