Fortinet Principal Engineer

Telent Technology Services Ltd

Farnborough

Hybrid

GBP 80,000 - 110,000

Full time

3 days ago
Be an early applicant
Application generator

Turn this role into an interview — a resume and cover letter built around what this employer wants.

Get past ATS filters

Benefits offered by this job

34 days holiday
Car Allowance
Private Healthcare
Company pension scheme
Family friendly policies
Occupational health support
Telent Reward discounts

Job summary

Telent Technology Services Ltd in Farnborough is seeking a Fortinet Principal Engineer to lead the design and delivery of secure Fortinet SD-WAN solutions for enterprise and public sector clients.

You will act as SME for Fortinet technologies, shape high-level and low-level designs, mentor engineers, and ensure architectures meet SLAs and regulatory standards. Hybrid role requiring in-office presence ~2 days a month with occasional travel.

Qualifications

  • Fortinet SD-WAN design and delivery expertise
  • Fortinet Expert Certification (FCSS) required
  • Strong network security knowledge (firewalls, VPNs, segmentation, zero trust)
  • Experience leading technical design and mentoring across projects
  • Strong stakeholder management and communication skills

Responsibilities

  • Lead end-to-end design of Fortinet SD-WAN solutions for enterprise and public sector clients
  • Define scalable architectures and ensure alignment with SLAs and regulatory standards
  • Act as SME for Fortinet technologies and provide guidance to engineers and architects
  • Produce high and low level designs and technical design documentation
  • Drive best practices in network design, security integration and automation

Job description

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.

When you join our Engineering Team at Telent, you'll be empowered to innovate and drive common solutions, working closely with technical experts who are proud of the impact their work makes. Come join a high-performing team doing complex and critical work. Help build and keep the nation's critical infrastructure connected and protected 24/7.

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.

#TelentTS IND1

Get your free, confidential resume review.
or drag and drop your file here.
Similar jobs

Similar jobs worth comparing

Fortinet Networks & Security Engineer - Systems Integrator
Fortinet Networks & Security Engineer - Systems Integrator

Hamilton Barnes Associates Limited • West Yorkshire

Hybrid
GBP 50,000 - 61,000
Hybrid work model
Senior technical authority
Project team exposure
+1
Network and Security Engineer
Network and Security Engineer

TieTalent • Warwick

Hybrid
GBP 35,000 - 55,000
Car Allowance
34 days holiday
Company pension scheme
+3
Senior Network Engineer - Fortinet
Senior Network Engineer - Fortinet

Wanstor Limited • City Of London

Hybrid
GBP 65,000 - 90,000
24 days annual leave
Lunch & learn
5 paid learning days
+2
Senior Network Engineer - Fortinet
Senior Network Engineer - Fortinet

Wanstor Limited • Greater London

Hybrid
GBP 70,000 - 90,000
Generous time off
Learning opportunities
Personal development
+2
Senior Network Engineer - Fortinet
Senior Network Engineer - Fortinet

Wanstor • Greater London

Hybrid
GBP 65,000 - 85,000
Generous time off
Lunch & learn sessions
Paid development days
+2
Network Architect - Fortinet
Network Architect - Fortinet

Wanstor Limited • Greater London

Hybrid
GBP 65,000 - 100,000
Generous Time Off
Lunch & Learn Sessions
Personal Development Days
+2
Network Architect - Fortinet
Network Architect - Fortinet

Wanstor • Greater London

Hybrid
GBP 85,000 - 110,000
Generous time off
Continuous learning
Personal development
+2
Lead Fortinet SD-WAN Architect
Lead Fortinet SD-WAN Architect

Telent Technology Services Ltd • Farnborough

Hybrid
GBP 80,000 - 110,000
34 days holiday
Car Allowance
Private Healthcare
+4
Systems Engineer - Public Sector
Systems Engineer - Public Sector

Fortinet, Inc. • Greater London

On-site
GBP 60,000 - 95,000
Total Rewards package
Continuous learning
Career development
Systems Engineer - Enterprise
Systems Engineer - Enterprise

Fortinet, Inc. • Greater London

Hybrid
GBP 60,000 - 80,000
Continuous learning opportunities
Career development
Total Rewards package