Service Designer - 5G Enabled Solutions in London

As a Service Design Architect, you’ll play a crucial role in how BT delivers managed services for our Corporate and Public Sector customers. You’ll shape service models for some of the most complex connectivity solutions in the UK—directly influencing customer experience, contract success, and BT Business’s growth strategy.

You’ll guide the service design approach across major bids, ensuring every solution is realistic, deliverable, commercially competitive, and reflects what our customers genuinely need. This role has a real impact on customer satisfaction, revenue generation and the future of BT’s 5G and mobile‑enabled services.

What you’ll be doing

• Designing optimal service models for complex and non‑standard customer solutions, from requirements definition to pricing and forecasting.
• Leading the service design workstream within bid teams, producing high‑quality proposal documents and aligning third‑party service components.
• Building strong senior‑level customer relationships, providing trusted service‑strategy leadership and influencing operational decisions.
• Negotiating service components such as SLAs and contractual schedules with customers and partners.
• Bringing innovation to service design by applying deep knowledge of BT’s products, services, and industry best practice.
• Collaborating with multiple internal teams—Managed Service, Finance, Legal, Security, Commercial, Service Delivery, Service Management—to shape and agree service models.
• Contributing to continuous improvement by enhancing design methodologies, policies, and processes across the Service Design function.
• Representing Service Design within market units, directly influencing BT’s ability to win and deliver complex new business.

What experience you'll need

• Strong background in delivering service solutions to business customers across corporate, commercial, or public‑sector environments.
• Excellent stakeholder management skills with the ability to influence at senior levels, including boards.
• Experience shaping service strategies, translating technical detail into clear, compelling narratives, and producing high‑quality bid materials.
• Proven commercial acumen—able to balance cost, value, and risk to support competitive commercial propositions.
• Understanding of service strategy, operational processes, and the service ecosystem across Corporate & Public Sector.
• Knowledge of leading‑edge connectivity technologies, particularly mobile and 5G‑enabled services.
• Skilled communicator with strong negotiation, presentation, and customer‑facing confidence.
• Minimum ITIL 4 Foundation (or equivalent), with a desire to progress to ITIL Managing Professional.
• Ability to work autonomously, manage ambiguity, and take full ownership of outcomes in complex environments.
• Eligibility to obtain and maintain appropriate security clearances (e.g., SC, NPPV).

Benefits

At BT, we entertain, educate, and empower millions of people every single day. We’re a brand built on connecting people – whether that’s friends, family, businesses, or communities. Working here, you’ll receive an attractive salary and a range of competitive benefits, but – more than that – you’ll be joining an ambitious organisation with a culture of togetherness, collaboration, and inclusivity, that takes a genuine and proactive interest in your progress and development.

Benefits of working for BT include:

• 10% on target annual bonus
• BT Pension scheme, minimum 5% employee contribution, BT contribution 10%
• X4 Salary Life Assurance
• Huge range of flexible benefits including Cycle to Work, Healthcare, Season Ticket Loan, Electric Vehicle Salary Sacrifice
• 25 days annual leave