Fortinet Principal Engineer
Listed on 2026-10-16
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IT/Tech
Network Engineer, Systems Engineer
Fortinet Principal Engineer
Farnborough / Hybrid
£75,000 - £87,000 + Car Allowance + Private Healthcare + 26 Days Paid Holiday + Pension + Training & Development
An excellent opportunity for an experienced Fortinet specialist to join an established infrastructure and technology services business, take ownership of complex network solutions and play a key role in technical leadership.
This company delivers essential infrastructure services for enterprise and public sector customers. As the business continues to grow, they offer opportunities to work across different sectors, technologies and projects within a supportive environment.
In this role, you will lead the design and delivery of secure, high-performance Fortinet SD-WAN solutions. You will define resilient, multi-site network architectures, act as the technical authority for complex issues and mentor engineers and architects. You will also support proof-of-concept builds, lab testing and technical documentation.
The ideal candidate will be an experienced network and security professional with strong Fortinet SD-WAN design and delivery experience. You must hold Fortinet FCSS certification and have expert knowledge of Forti Gate, Forti Manager and Forti Analyzer.
An exciting role for someone looking to combine hands-on technical expertise with design ownership and mentoring, with hybrid working requiring around two days per month in Farnborough and occasional additional travel.
The Role:
- Leading the end-to-end design and delivery of Fortinet Secure SD-WAN solutions
- Designing scalable, resilient network architectures for enterprise and public sector customers
- Acting as the Fortinet technical specialist and final escalation point for complex design and support issues
- Mentoring engineers and architects, driving best practice in networking, security and automation
- Supporting proof-of-concept builds, lab testing and technical design documentation
- Ensuring solutions meet customer requirements, service levels and regulatory standards
The Person:
- Experienced network and security professional with Fortinet SD-WAN design and delivery experience
- Fortinet FCSS certification essential
- Expert knowledge of Forti Gate, Forti Manager and Forti Analyzer
- Experience designing large-scale, resilient, multi-site networks
- Strong knowledge of firewalls, VPNs, segmentation and zero trust principles
- Confident producing high-level and low-level designs and technical documentation
- Excellent troubleshooting and performance optimisation skills
- Strong communication, stakeholder management and mentoring skills
We are an equal opportunities company and welcome applications from all suitable candidates.
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