Network Security Engineer - #2084590

Are you a highly experienced Network Engineer ?

Are you fluent in Network Segmentation and Separation concepts ?

I’m looking for an experienced Network Segmentation Security Engineer to support a high‑profile enterprise programme. This role is ideal for someone who thrives in complex environments and can drive segmentation and firewall optimisation with minimal supervision.

You will play a key role in analysing and redesigning network segmentation across a large enterprise environment. Working closely with security and infrastructure teams, you’ll translate low-level traffic data into business-aligned controls and enforce least-privilege access through robust firewall policies.

This is a 6 month daily rate contract Inside IR35 (Umbrella) You can be based anywhere in the UK as long as you can visit their Edinburgh office from time to time.

Key Responsibilities

• Analyse and interpret network traffic to map business applications and services
• Design and implement least-privilege firewall rulesets based on traffic analysis
• Perform firewall policy reviews and gap analysis
• Investigate and document complex traffic flows across multiple, cascading firewalls
• Use Splunk to build and execute queries for firewall traffic analysis
• Identify unknown or anomalous traffic using internal and external intelligence
• Support network segmentation initiatives in a live enterprise environment
• Work independently to deliver against demanding timelines

Required Experience & Skills

• Strong experience in network segmentation and security architecture
• Proven ability in firewall policy analysis, design, and optimisation
• Hands-on experience with Splunk for traffic analysis
• Deep understanding of enterprise IP networking and traffic flows
• Experience with Palo Alto firewalls and Panorama
• Excellent analytical and problem-solving skills
• Comfortable working autonomously in fast-paced environments

Desirable Experience

• FireMon or similar tools for firewall rule analysis
• Knowledge of next-generation firewall features (App-ID, user-based rules, URL filtering)
• Firewall rule optimisation and rationalisation experience
• Exposure to cloud networking (AWS / Azure)
• Understanding of F5 BIG-IP or Cisco ACI
• Experience supporting M&A or divestment-driven segmentation
• Scripting/automation skills (e.g. Python)

For more information get in touch asap.