Network Security Engineer

london, england, United-Kingdom • Posted May 25, 2026

Job Type: Full-time
Location: london, england
Posted: May 25, 2026
Category: IT & Technology
Application Deadline: July 04, 2026

Role Description

A leading financial technology and data science firm requires a Senior Network Security Engineer to design, deploy and operate high-performance network security solutions in support of (but not limited to) financial trading infrastructure.

The Network Security Engineer is responsible for securing the network perimeter/edge and Cloud in a highly complex technology ecosystem. The incoming Engineer will need to demonstrate deep knowledge of next-generation firewall technology and SOAR concepts (including coding experience).

Core Skills:

  • Multi-vendor firewall design, deploy operate experience (Palo Alto and Fortinet)
  • Advanced knowledge of CASB and SASE technologies and concepts
  • Advanced knowledge of load-balancing and application delivery concepts
  • Security automation and tooling experience (Python)
  • Device monitoring and performance management experience
  • Advanced troubleshooting experience
  • C...

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