Network Security Lead

Company: La Fosse Associates
Apply for the Network Security Lead
Location: London
Job Description:

Network Security Lead

A Global Financial Services Organisation requires a Contract Network Security Lead with deep expertise across network security architecture, WAF, F5, firewalls, network segmentation, VPNs and legacy on-prem infrastructure.

  • IR35 Status: Outside
  • Day Rate: £700-£750pd
  • Travel: 2 days a week in Central London Office
  • Duration: Initial 6 months

Responsibilities:

  • Lead the refresh of the organisation’s network security architecture and roadmap, providing senior technical direction across a complex, predominantly on-prem environment within a highly regulated banking environment.
  • Provide deep network security expertise across WAF, network segmentation, firewall architecture and rule sets, VPN connectivity and legacy network infrastructure, acting as a senior consultant rather than a hands-on engineer.
  • Drive the ongoing uplift of the F5 environment, with strong experience across F5 technologies essential; exposure to Palo Alto and Blue Coat is highly desirable.
  • Own the refresh of network security controls, translating security architecture into practical improvements and driving measurable progress against security and risk metrics.

,

#J-18808-Ljbffr…

Posted: September 21st, 2026