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Fortinet Principal Engineer

M Group


Job Location:

Farnborough - UK

Monthly Salary: Not provided by the employer
Posted: 19 October 2026 (Yesterday)
Application Deadline: 16 January 2027
Vacancies: 1 Vacancy

Job Summary

  • Right across infrastructure theres a requirement to not only maintain but also renew and reimagine. Whatever stage youre at in your career with us youll 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 youll 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 were 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.

    Its an exceptional time to be a part of M Group.
    #TelentTS IND1

  • Not Specified

Required Experience:

Staff IC


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