Firewall Engineer

Role Title: Firewall Engineer

Location: Sheffield (3 days onsite is mandatory)

Duration: November 2026

Rate: £435p/d via Umbrella

Overview

We are seeking an experienced Firewall Engineer to join the Firewall Engineering team, responsible for designing, implementing, and supporting enterprise network security solutions. The role requires strong hands?on expertise with Fortinet and Juniper firewalls and the ability to operate at Level 3 (L3) support within a complex enterprise environment.

Key Responsibilities

• Design, implement, and support Fortinet and Juniper firewall platforms .
• Provide L3 support for firewall?related incidents, problems, and complex service requests.
• Troubleshoot advanced network and security issues across enterprise environments.
• Manage firewall rulebases, NAT policies, security zones, and objects in line w...