Network Security Engineer

Few&Far; Greater London; Hybrid; GBP 70,000 - 100,000; Full time

Job summary

Few&Far is seeking a Senior Network Security Engineer in Central London for a 12-month contract, with 2 days onsite per week. You will manage firewall environments, support security operations, and drive incident response in a large financial services setting.

The role requires 5–8+ years in network security and strong Palo Alto administration capabilities, along with solid routing and switching knowledge and policy controls.

Qualifications

• 5–8+ years of experience in Network Security.
• Strong Palo Alto administration experience.
• Solid Routing & Switching fundamentals.
• Security policies and access controls.

Responsibilities

• Manage and administer Palo Alto and Fortinet firewalls.
• Implement approved firewall changes and policy reviews.
• Support vulnerability remediation activities and incident response.
• Coordinate security tool integrations and TAC cases.
• Track remediation activities through to resolution.
• Perform root cause analysis and implement remediation.

Skills

Firewall administration

Security operations

Vulnerability management

Incident response

Root cause analysis

Networking fundamentals

Tools

Palo Alto

Fortinet

Job description

Senior Network Security Engineer | Central London | 12-Month Contract

I’m currently recruiting for a Senior Network Security Engineer to join a large financial services environment, supporting critical network security infrastructure and operations.

Central London | 2 days onsite per week

12-month contract | Strong potential to extend

November start preferred, with January also considered

Financial services experience advantageous

Role Overview

You’ll provide operational support, administration, troubleshooting and security management across firewall, network security and vulnerability management platforms.

Firewall Administration

• Manage and administer Palo Alto firewalls


• Manage and administer Fortinet firewalls


• Implement approved firewall changes


• Conduct firewall policy reviews and optimisation

Security Operations

• Support vulnerability remediation activities


• Analyse security findings and implement corrective actions


• Support security tool integrations and assessments


• Resolve escalated network security incidents


• Participate in P1/P2 incident bridges


• Perform root cause analysis and implement remediation

Change & Infrastructure

• Execute approved network security changes


• Carry out firmware and OS upgrades


• Implement firewall rule modifications


• Work closely with security technology vendors


• Coordinate TAC cases and technical escalations


• Track remediation activities through to resolution

5–8+ years’ experience in Network Security

Strong Palo Alto administration experience

Solid Routing & Switching fundamentals

Security policies and access controls

Preferred Certifications