Lead Network Security Engineer/ Architect- freelance – hybrid, London, UK
Contract | Comgent | United Kingdom
Posted On 04/21/2026
Job Information
Standard Business working Hours Yes
Work Experience 8-10
City London
State/Province City of London
N/A
Special Considerations
We are committed to building an inclusive workplace and encourage applications from women and other under-represented groups in tech. All qualified candidates are welcome.
Start date: May/ June 2026
Location: London, UK (Hybrid — minimum 2 days per week in office)
Job Description
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 L2–L7 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
Lead Network Security Engineer/ Architect- freelance – hybrid, London, UK
Contract | Comgent | United Kingdom
Posted On 04/21/2026
Job Information
Standard Business working Hours Yes
Work Experience 8-10
City London
State/Province City of London
N/A
Special Considerations
We are committed to building an inclusive workplace and encourage applications from women and other under-represented groups in tech. All qualified candidates are welcome.
Start date: May/ June 2026
Location: London, UK (Hybrid — minimum 2 days per week in office)
Job Description
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 L2–L7 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
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