Network Security Engineer

Network Security Engineer - Firewall Rule Optimization (Algo Sec) | £400 - £450 per day (Inside IR35) | 6-month initial contract | Start: ASAP | On site, 4-5 days per week in Manchester

Our client is looking for a Network Security Engineer to reduce risk from overly permissive firewall rules and routing that bypasses proxy controls.

This is a hands-on remediation role within a three-person team, with one engineer each in India, the UK and the US. You'll work through years of accumulated rule changes as part of an Algo Sec-led cleanup, and align the outcome to the client's target-state security design. Interviews are commencing imminently.

What you'll do

• Review and tighten overly permissive firewall rules using Algo Sec analysis
• Identify and remediate routing that bypasses proxy controls
• Work with application and infrastructure owners to agree, implement and validate rule changes
• Document changes and hand off cleanly across India, UK and US time zones
• Align all work with the target-state security design

What you'll bring

• Firewall engineering and rule-base optimisation experience
• Strong routing knowledge and Layer 4 through Layer 7 understanding
• Experience working under change control in a regulated enterprise environment

Nice to have

• Hands-on Algo Sec or simil...