Network Security Lead

La Fosse; Greater London; On-site; GBP 111,000 - 166,000; Part time

Job summary

La Fosse is recruiting a Principal Network Security Consultant for a global financial services organisation. You will shape and lead the refresh of the network security architecture and roadmaps in a predominantly on-prem environment within a highly regulated setting.

You will provide deep expertise in WAF, firewall design, VPN connectivity and segmentation, acting as a senior advisor rather than hands-on engineering.

Qualifications

• Deep expertise across network security architecture and secure design.
• Experience with WAF, firewalls, VPNs, and segmentation.
• Strong background in legacy on-prem infrastructure in regulated environments.

Responsibilities

• Lead the refresh of network security architecture and roadmap for on-prem environment.
• Provide senior technical direction across WAF, segmentation, firewall rules, VPNs.
• Drive uplift of F5 environment; exposure to Palo Alto and Blue Coat desirable.
• Translate architecture into practical improvements and measurable risk metrics.

Skills

Network security architecture

WAF

F5

Firewalls

VPNs

On-prem infrastructure

Tools

F5 Technologies

Palo Alto

Blue Coat

Job description

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: Competitive
• 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.