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Network Security Engineer

Posted: 20/10/26
Recruiter:Oscar Technology
Reference:3198883420
Type:Permanent
Disciplines: Network Security
Salary:£400 - £450 Daily
Location:Manchester
Description:

Network Security Engineer - Firewall Rule Optimization (AlgoSec) £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 AlgoSec-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 AlgoSec 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 AlgoSec or similar rule-analysis tools
  • Proxy experience, such as Blue Coat/Symantec or Skyhigh
  • Financial services background

If this sounds like a good fit, apply now!

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

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