Fortinet Network Engineer - Hybrid, Firewalls & SD-WAN Lead

Wanstor Limited; Greater London; Hybrid; GBP 55,000 - 60,000; Full time

Benefits offered by this job

Generous Time Off

Continuous Learning

Personal Development

Volunteer Opportunities

Team Spirit

Job summary

Wanstor Limited in London hybrid role seeks a Network Engineer specializing in Fortinet to design, implement and secure our managed networks. You will own Fortinet-led environments and collaborate with customers to translate needs into reliable network solutions.

The role covers LAN/WAN, Wi‑Fi, SD‑WAN, and firewall management, with focus on troubleshooting, documentation and cross-team coordination within an MSP setting.

Qualifications

• Strong Fortinet and FortiGate expertise with hands-on skills.
• Solid background in TCP/IP, DNS, DHCP, VLANs, NAT and security.
• Experience with LAN, WAN, Wi-Fi, VPNs and SD-WAN environments.
• Ability to engage customers and translate technical issues clearly.

Responsibilities

• Own and improve a Fortinet-led network environment.
• Lead network projects from requirements to handover.
• Configure, manage and troubleshoot FortiGate firewalls (policies, VPNs, routing, security).
• Work across LAN, WAN, Wi-Fi, SD-WAN, switching and routing.
• Lead complex troubleshooting and diagnose deep network issues.
• Identify weaknesses and improvement opportunities across the network.
• Communicate technical issues and recommendations to stakeholders.
• Plan, test, document and communicate technical changes.
• Create and maintain network diagrams, configurations and standards.
• Support upgrades, migrations and infrastructure projects.
• Collaborate with wider teams and third parties on cross-domain projects.

Skills

Fortinet expertise

FortiGate firewalls

VPN & SD-WAN

Networking basics

LAN/WAN/Wi-Fi

Customer-facing

Documentation

Job description

Wanstor Limited in London hybrid role seeks a Network Engineer specializing in Fortinet to design, implement and secure our managed networks. You will own Fortinet-led environments and collaborate with customers to translate needs into reliable network solutions.

The role covers LAN/WAN, Wi‑Fi, SD‑WAN, and firewall management, with focus on troubleshooting, documentation and cross-team coordination within an MSP setting.