Senior Infrastructure Engineer

• Design, deploy, and optimise Azure network architectures including Hub & Spoke, Landing Zones, Virtual Networks, Subnets, NSGs, UDRs, and VNet Peering.
• Define and implement connectivity strategies across Azure, AWS, on-premises, and third-party environments using SDWAN, ExpressRoute, site-to-site VPNs, and remote VPNs.
• Manage office network connectivity, including core/access switching, WiFi APs and controllers, firewalls, and 802.1x authentication.
• Deploy Infrastructure as Code using ARM templates, Bicep, or Terraform for scalable and consistent network builds.
• Implement and maintain secure networking using Azure Firewall, Azure DDoS Protection, and other native security services.
• Monitor network performance and security using Azure Monitor, Network Watcher, and SolarWinds.
• Troubleshoot complex multi-layered network issues and configure routing protocols such as BGP across hybrid environments.
• Produce clear network documentation, diagrams, and operational procedures.
• Collaborate with architects, infrastructure and security engineers, and application teams to deliver coordinated, future-ready solutions.

• Proven experience with Azure networking, including Virtual Networks, NSGs, VPN Gateway, ExpressRoute, Traffic Manager, and Azure Monitor.
• Solid knowledge of hybrid networking technologies: VPNs, LAN/WiFi, firewalls, and Cisco networking.
• Understanding of core protocols: TCP/IP, BGP, OSPF, DNS, DHCP, HTTP/S.
• Hands-on experience with Infrastructure as Code (ARM templates, Bicep, or Terraform).
• Strong troubleshooting, problem-solving, and communication skills.
• Ability to work independently and collaboratively within a high-performing technical team.
• Participate in the on call rotation as required.

Salary: Up to £80,000 with incredible benefits

Why Apply? Work with an innovative fintech organisation that serves millions of customers and is investing heavily in cloud-first technologies and modern network infrastructure. This is a permanent, high-impact role where your work on Azure networking and hybrid connectivity will directly influence the resilience, security, and performance of critical enterprise systems. Ideal for candidates seeking a challenging, technical career in network engineering with opportunities to grow their expertise in cloud and hybrid networks., * Competitive salary and bonus opportunities.

• Hybrid working and flexible hours.
• Private healthcare and pension scheme.
• Professional development, certifications, and training support.
• Exposure to cutting-edge cloud and hybrid networking projects in a dynamic, innovative environment.