Fortinet Network Engineer

Salary: £55,000 - 55,000 per year

Requirements:

• Proven experience as a Fortinet Network Security Engineer or in a similar network security role.
• Strong hands-on experience with FortiGate firewalls and FortiAnalyzer in production environments.
• Excellent understanding of TCP/IP, routing, switching, VPNs, NAT, IDS/IPS, and network security principles.
• Experience deploying SD-WAN and managing multi-site network environments.
• Ability to design and deliver network infrastructure projects from start to finish.
• Strong troubleshooting skills across both network and security technologies.
• Experience with physical infrastructure as well as cloud networking.
• Knowledge of Microsoft 365, Intune, and MDM technologies is beneficial.
• Experience with Proxmox, Azure, or AWS is advantageous.
• Previous experience within an MSP or multi-client environment is desirable.
• Current SC clearance or eligibility for SC clearance.
• Willingness to travel to customer sites across the UK as required.

Responsibilities:

• Design, deploy, configure, and support FortiGate firewalls across complex customer environments.
• Implement and maintain firewall policies, security profiles, VPNs, SD-WAN, and High Availability solutions.
• Manage and support the wider Fortinet ecosystem, including FortiAnalyzer, FortiManager, FortiClient EMS, and FortiSwitch/FortiAP where required.
• Perform firewall reviews, optimisation, and security hardening following best practice.
• Monitor security events, investigate incidents, and support root cause analysis.
• Produce and maintain technical documentation, network diagrams, and change records.
• Support compliance initiatives including ISO 27001, Cyber Essentials Plus, and GDPR.
• Lead technical delivery on customer sites and provide guidance throughout project lifecycles.
• Collaborate with internal teams and customers to improve network resilience, security, and performance.
• Support firmware lifecycle management, patching, and vulnerability remediation.

Technologies:

• AWS
• Azure
• Cloud
• Firewall
• Firmware
• FortiGate
• Support
• Microsoft 365
• NAT
• Network
• Security
• TCP/IP
• Office 365

More:

We are a rapidly growing consultancy delivering complex infrastructure and security projects for a diverse client base, including secure and highly regulated organisations. This is a permanent remote role with UK travel, offering the opportunity to work alongside highly experienced engineers and take ownership of solutions from design through to delivery while influencing technical decisions and supporting continuous improvement.

last updated 31 week of 2026