Senior Infrastructure Engineer (Fintech)

TL;DR

Senior Infrastructure Engineer (Fintech): Designing, deploying, and optimizing Azure network architectures and connectivity strategies across Azure, AWS, on-premises, and third-party environments with an accent on resilience, security, and performance of critical enterprise systems. Focus on troubleshooting complex multi-layered network issues and configuring routing protocols across hybrid environments.

Location: London/Hybrid (2 days in office) / Monthly travel to Leeds

Salary: Up to £80,000

Company

Innovative fintech organisation that serves millions of customers and is investing heavily in cloud-first technologies and modern network infrastructure.

What you will do

• Design, deploy, and optimise Azure network architectures.
• Define and implement connectivity strategies across Azure, AWS, on-premises, and third-party environments.
• 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.

Requirements

• Proven experience with Azure networking.
• 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.

Culture & Benefits

• 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.