Firewall Engineer

Salary: £40,000 - 70,000 per year

Requirements

• Strong hands-on experience with enterprise firewall technologies such as Fortinet / FortiGate, Palo Alto Networks, Check Point, Cisco ASA / Firepower, or Sophos.
• Experience managing site-to-site and remote access VPNs.
• Strong understanding of networking fundamentals including TCP/IP, routing and switching, DNS, and LAN/WAN technologies.
• Experience troubleshooting complex network and security issues.
• Knowledge of network monitoring and security best practices.
• Excellent communication and stakeholder management skills.
• Desirable: experience working within large enterprise or regulated environments.
• Desirable: exposure to network security monitoring tools.
• Desirable: relevant vendor certifications such as PCNSA / PCNSE, NSE, CCNA / CCNP Security, or Check Point CCSA / CCSE.

Responsibilities

• Administer, maintain, and support enterprise firewall environments.
• Implement and manage firewall policies, NAT rules, and security controls.
• Monitor network security infrastructure and investigate security-related incidents.
• Perform firewall rule reviews and ensure compliance with security standards.
• Support VPN technologies and remote access solutions.
• Troubleshoot complex network connectivity and security issues.
• Collaborate with infrastructure, security, and project teams on network-related initiatives.
• Assist with firewall migrations, upgrades, and platform enhancements.
• Produce and maintain technical documentation.

Technologies

• Cisco
• Firewall
• FortiGate
• Support
• LAN
• NAT
• Network
• Security
• TCP/IP
• VPN

More

We are seeking an experienced Firewall Engineer to join us on an initial 12-month contract in Bath on a hybrid working basis. This is an excellent opportunity to work within a complex enterprise environment, supporting and enhancing critical network security infrastructure. We offer the chance to contribute to business-critical systems and services while working alongside infrastructure, security, and project teams on important network security initiatives.

last updated 25 week of 2026