Lead Network Security Engineer Architect- freelance hybrid, London, UK

Comgent

Job Location:

London - UK

Salary: Not Disclosed

Experience Required: 8-10years

Posted on: 3 hours ago

Vacancies: 1 Vacancy

Job Summary

Reports to Head of Data Centre and Network Services.

Responsibilities:

Engineer and operate firewall platforms (Palo Alto FortiGate) F5 BIG-IP IPS and proxy/SWG solutions including rule lifecycle management policy optimisation and senior incident response
Design and enforce macro/micro-segmentation strategies across Cisco ACI firewall-based and hybrid fabric models
Architect secure proxy TLS inspection and Zero Trust connectivity patterns for on-prem cloud and hybrid traffic flows
Deliver HLDs LLDs runbooks and design standards; provide technical sign-off and risk assessments for major programmes
Support compliance and audit with traceable governance-aligned documentation
Engage vendors (Palo Alto Fortinet F5) and stakeholders across Infrastructure Cyber Security and Risk
Drive automation and improvement across rule management ACI workflows and compliance validation

Requirements

Hands-on expertise with Palo Alto FortiGate F5 BIG-IP and proxy/SWG platforms
Strong L2L7 troubleshooting and incident leadership
Cisco ACI security and policy design experience
Regulated environment experience (e.g. financial services) with strong audit documentation skills
Preferred: Cloud security (Azure/AWS) SASE/Zero Trust transformation automation via Python Ansible or IaC

Required Skills:

Palo Alto PAN-OS FortiGate/FortiOS F5 BIG-IP Cisco ACI/APIC IDS/IPS Proxy/SWG TLS inspection micro-segmentation Zero Trust SASE Azure/AWS network security ExpressRoute/Direct Connect Python Ansible IaC

Required Education:

Reports to Head of Data Centre and Network Services. Responsibilities: Engineer and operate firewall platforms (Palo Alto FortiGate) F5 BIG-IP IPS and proxy/SWG solutions including rule lifecycle management policy optimisation and senior incident responseDesign and enforce macro/micro-segmentation ...