Senior Network Security Infrastructure Engineer

McGregor BoyallLondonreedpublished 11/11/2026
Must-have:PythonAWSCloudSecuritySeniorLead

Senior Network Security Infrastructure Engineer | London | Financial Services

We're supporting a leading financial services organisation in the search for a Senior Network Security Infrastructure Engineer to lead the design, automation and operation of secure network infrastructure across cloud and on-prem environments.

Key skills sought include:

  • 5+ years' Fortinet experience
  • Strong AWS networking expertise (Cloud WAN, Transit Gateway, Direct Connect, WAF, Firewall Manager)
  • Terraform and Infrastructure as Code
  • Python and/or Ansible automation
  • Network security architecture and engineering
  • Strong knowledge of BGP, OSPF, TCP/IP and enterprise networking

This is an opportunity to play a key role in infrastructure modernisation, cloud transformation and security strategy within a highly regulated environment.

Senior Network Security Infrastructure Engineer | London | Financial Services