Information Security

Senior Network Security Infrastructure Engineer

McGregor Boyall

London · Greater London · United Kingdom

  • - per annum
  • London, UK
  • Permanent

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

Reference: WJ-5641_199328 · Posted 15 Nov 2026, 06:42 PM

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