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BT Group • GBR Bristol - Assembly, GBR-Birmingham-Three Snowhill, GBR-London-BTHQ One Braham, GBR-Manchester-New Bailey

Customer Solutions Design Specialist (Fortinet)

Employment type:  Full time
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Job Description

About the role

You’ll be responsible for designing and delivering secure, scalable and resilient network solutions for BT's enterprise customers. Acting as a technical specialist, you'll take ownership of complex network designs, ensuring they align with customer requirements, industry best practice and BT's strategic network architecture.

You'll work closely with customers, architects, project teams and bid specialists to develop innovative network solutions that enable digital transformation, improve application performance and strengthen security. This is a highly visible customer-facing role, combining technical expertise with consultative engagement and design leadership.

What you’ll be doing

  • Design and deliver end-to-end network solutions with a focus on Fortinet Secure SD-WAN technologies.
  • Own complex network designs from requirements gathering through to implementation and handover.
  • Act as a trusted technical advisor, translating business and operational requirements into scalable network solutions.
  • Support customer workshops, technical design reviews, bids and pre-sales activities.
  • Collaborate with architects, security specialists and delivery teams to ensure successful customer outcomes.
  • Review network designs and provide governance to ensure compliance with BT standards and best practices.
  • Contribute to the development of network design frameworks, standards and reusable solution patterns.
  • Mentor colleagues and share technical expertise across the wider design community.

Essential Skills / Experience

  • Experience designing enterprise networks, including Fortinet Secure SD-WAN solutions in complex customer environments.
  • End-to-end solution design expertise, covering WAN, LAN, routing, switching, security and network resilience.
  • Ability to engage with customers and senior stakeholders, translating business requirements into technical network designs.
  • Technical leadership and design governance experience, including design reviews, mentoring and best-practice development.
  • Excellent communication and presentation skills, with experience supporting workshops, proposals and customer-facing technical discussions.

Desirable Skills / Experience

  • Fortinet certifications (NSE, FCF, FCSS or equivalent).
  • Experience with SASE, Zero Trust and cloud networking architectures.
  • Knowledge of public cloud networking (AWS, Azure and/or Google Cloud).
  • Understanding of network automation, orchestration and Infrastructure as Code.
  • Experience with secure access technologies, firewalls and network security design.
  • Knowledge of MPLS, Internet WAN, SD-WAN migration and network transformation programmes.
  • Experience shaping network strategy, standards and future-state architectures.

Our Package

Tailored benefits make a real difference. That’s why we offer a comprehensive range to support your growth, wellbeing, and everyday life.
You can design the package to suit you and your lifestyle. Your core benefits include:


• 10% on target annual bonus
• 25 days Holiday
• Access to an online private GP 24/7 for you and your immediate family
• Market-leading paid carers leave with up to 2 weeks off
• Equalized maternity, paternity, and adoption leave – 18 weeks’ full pay and 8 weeks’ half pay
• Discounted EE and BT products, including mobile and broadband
• Market leading Pension scheme – 5% from you and 10% from us
• Holiday purchase scheme


You can select additional benefits, including healthcare, dental, gym memberships and more when you’re ready.
Ready to connect for good and help shape the future? Apply now.

With over 180 years of heritage, BT Business has brought together our best people and capabilities into a B2B powerhouse serving 1.2 million business customers in the UK

We’re a leader for secure connectivity and collaboration platforms for businesses of all shapes and sizes, from big household names and government departments, right through to sole traders and new start-ups. But it’s not just the technology that matters, it’s what it can do to help them build stronger, smarter, more secure businesses.

We are Customer-First Challengers, who are Committed, Clear and Connected. We value diversity and inclusion and believe in making a positive impact. We connect for good by championing digital inclusion and equipping people, businesses, and communities with digital skills to thrive.

As a member of our team, you will be part of an organisation that celebrates difference, fosters innovation and provides you with opportunities to be your best. With millions of businesses relying on us daily, joining BT means you can be part of a diverse and multi-skilled team that makes a significant impact to society.

Apply now

Company benefits

25 (UK, increasing with service) / 21 (India) days annual leave + bank holidays
Adoption leave – 18 weeks full pay, 8 weeks half pay, 6 months statutory
Bank holiday swaps
Buy or sell annual leave – buy up to 5 days/year pro rata
Carer’s leave – Two weeks paid leave
Cinema discounts
Coaching
Compassionate leave
Complimentary Medical Services
Cycle to work scheme
Employee assistance programme
Employee discounts
Enhanced maternity leave – 18 weeks full pay, 8 weeks half pay, 6 months statutory
Enhanced paternity leave – 18 weeks full pay, 8 weeks half pay, 6 months statutory
Enhanced pension match/contribution
Enhanced sick pay – 3 months
Faith rooms
In house training
L&D budget – sponsored accreditation available for certain professions
Learning platform – internal and external learning content via Degreed
Learning license – unlimited access
Lunch and learns
Mental health platform access – Silvercloud
Mentoring
Neonatal leave
Open to job sharing
Open to part time work for some roles
Optional unpaid leave
Private GP service – 24/7 virtual GP access for UK colleagues
Referral bonus
Returnship
Salary sacrifice
Share options
Shared parental leave
Travel loan
Volunteer days – 3 volunteer days per year
Reservist leave
Fertility treatment leave
Pregnancy loss leave
Pregnancy support
Fertility treatment leave
Pregnancy loss leave
Pregnancy support
On-site catering
On-site barista
On-site shower
Modern office
Collaboration spaces
Private booths
On-site wellness room
Open to part-time employees
Open to compressed hours

Working at BT Group

Company employees:

100,000 across BT Group (24,000 at BT Business)

Gender diversity (m:f):

74.3:25.7 (BT Group)

Hiring in countries

Brazil

Hungary

India

Spain

United Kingdom

Office Locations

Awards & Accreditations

2nd - Best Workplace Culture

2nd - Best Workplace Culture

Flexa awards 2026
3rd – Most loved - Large companies

3rd – Most loved - Large companies

Flexa awards 2026
Most Family Friendly Company

Top 10 - Most Family Friendly Company

Flexa awards 2025
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2025

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