Principal Network Security Consultant

Principal Network Security Consultant

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

• IR35 Status:
  Outside
• Day Rate: £600-£650pd
• 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/CNI setting.
• 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.