Network Engineer - Fortinet

Wanstor is an award-winning Managed IT Services provider helping ambitious organisations use technology to achieve better business outcomes — securely, efficiently, and at scale. Established in 2002, we deliver end-to-end technology services spanning managed IT support, cloud, infrastructure, networking, security, communications, and AI adoption services.

A Network Engineer develops, optimises and securely maintains Wanstor managed networks. Excellent troubleshooting, planning and customer facing skills are key to efficiently reduce resolution times, deliver projects on time and build relationships with senior stakeholders.

The role requires expert knowledge of the LAN/WLAN & WAN technologies & products to meet customer requirements.

As part of a highly specialised team, you will need to mentor/consult customers and internal teams the network portfolio.

• Own, support and continually improve a Fortinet-led network environment

• Take the technical lead on network projects, from initial requirements and design through to implementation and handover

• Configure, manage and troubleshoot FortiGate firewalls, including policies, VPNs, routing, security profiles and connectivity

• Work across LAN, WAN, Wi-Fi, SD-WAN, switching, routing and firewalling

• Lead complex troubleshooting and resolve network issues that require deeper technical investigation

• Identify weaknesses, risks and opportunities for improvement across the network estate

• Work directly with customer stakeholders, translating technical issues and recommendations into clear, practical advice

• Own technical changes and ensure they're properly planned, tested, documented and communicated

• Produce and maintain network documentation, diagrams, configurations and technical standards

• Support network upgrades, migrations, refreshes and wider infrastructure projects

• Work alongside Wanstor's wider technical teams and third parties where projects cross networking, cloud, security or infrastructure

• Strong hands-on experience with Fortinet technologies, particularly FortiGate firewalls

• Good knowledge of Fortinet security, VPN and SD-WAN capabilities

• Strong understanding of core networking including TCP/IP, DNS, DHCP, VLANs, VPNs, NAT and network security

• Strong routing and switching knowledge

• Experience supporting and troubleshooting LAN, WAN and wireless networks

• Confidence diagnosing complex network and connectivity issues from end to end

• Experience delivering network changes, upgrades, migrations or implementation projects

• Comfortable working directly with customers and senior stakeholders

• Able to take a requirement or problem, work out the best approach and own it through to completion

• Strong documentation skills and an organised approach to change

• Experience within an MSP or customer-facing IT environment would be highly beneficial

🌴 Generous Time Off: Enjoy 24 days of annual leave, increasing by 1 day each year up to 28 days, plus Bank Holidays. 📚 Continuous Learning: Participate in regular lunch and learn sessions with both internal and external speakers. 🌟 Personal Development: Take advantage of 5 paid days annually to pursue new skills or knowledge. 🤝 Volunteer Opportunities: Contribute to your community with 2 paid volunteer days each year. 🎉 Team Spirit: Join a friendly team and engage in various social events organised throughout the year.