Fortinet Principal Engineer

Right across infrastructure, there’s a requirement to not only maintain, but also renew and reimagine. Whatever stage you’re at in your career, with us you’ll have an opportunity to grow and develop. Delivering essential infrastructure services for life, while being safety first, and client and customer centric in a friendly, fun and respectful environment where you are encouraged to thrive.

Reporting into the Head of Focal Engineering, the Fortinet Principal Engineer will be responsible for leading the design and delivery of secure, high-performance Fortinet

solutions for our enterprise and public sector customers.

This is a hybrid working role, with a requirement to be in our Farnborough office around 2 days per month. Other travel may be required on an ad-hoc basis.

What you’ll do:

Lead the end-to-end design of secure SD-WAN solutions using Fortinet Secure SD-WAN.

Define scalable, resilient architectures tailored for enterprise and public sector clients.

Ensure alignment with customer requirements, SLAs, and regulatory standards.

Act as the subject matter expert (SME) for Fortinet SD-WAN technologies.

Provide guidance and mentoring to engineers and architects across projects.

Drive best practices in network design, security integration, and automation

Act as the last line technical lead to resolve technical problems, either design or support related problems

Assist in the build and design of Proof-of-Concept scenarios, Type Approval activities in the Telent labs and support in the creation of test type documentation and test scenarios.

Who you are:

You are an experienced network and security professional with deep expertise in designing and delivering complex Fortinet SD-WAN solutions. You have a strong background in enterprise networking and a proven track record of leading technical design from concept through to implementation.

Key Requirements:

Expert knowledge of SD-WAN technologies, particularly Fortinet Secure SD-WAN (FortiGate, FortiManager, FortiAnalyzer)

You must have Fortinet Expert Certification (FCSS)

Fortinet SD-WAN design and delivery experience

Deep understanding of network security principles (firewalls, VPNs, segmentation, zero trust concepts)

Experience designing large-scale, resilient, multi-site network architectures

Strong ability to produce HLDs, LLDs, and technical design documentation

Excellent troubleshooting and performance optimisation skills

Strong stakeholder management and communication skills (technical and non-technical audiences)

What we offer:

A career at Telent can span many sectors, roles, technologies and clients giving you the opportunity to develop, learn new skills and make an impact. We are growing and we rely on our committed Team to deliver.

We nurture the talent that makes this happen, by our on-going commitment to creating an inclusive culture that respects and values difference, that celebrates diverse ideas. We want everyone to feel they can be themselves and to thrive at work.

The additional benefits with this role:

34 days holiday, including public holidays, plus the option to buy or sell days annually OR 26 days holiday, plus public holidays, and the option to buy or sell days annually

Car Allowance

Private Healthcare

Company pension scheme

A range of family friendly policies

Occupational health support and wellbeing Portal

Discounts on Cinema, Restaurants and Shopping with Telent Reward scheme.

At Telent, we’re committed to creating an inclusive culture where everyone feels valued, supported, and able to thrive. We welcome applicants from all backgrounds and encourage diverse perspectives across our teams.

We are guided by our values and behaviours:

Be Inclusive

Take Responsibility

Collaborate

Be Customer-focussed

Join us and help deliver critical infrastructure projects that make a real difference.

It’s an exceptional time to be a part of M Group.

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