Lead Service Designer

As a Lead Service Designer, you’ll bring 8+ years of experiencedesigning human-centred services that balance business value, technical feasibility, and user desirability. You’ll work in agile, cross-functional teams across public and private sectors – helping clients make confident, design-led decisions through a consultative, evidence-based approach.

Applicants must be SC clearable and able to share a strong design portfolio.

What you’ll do

• Lead end-to-end design projects – Oversee multidisciplinary work across public and private sectors, collaborating with design professionals through all phases, from research and ideation to delivery and continuous improvement.
• Shape strategy through design – Apply a systemic, design-led lens to complex challenges, turning insights and requirements into clear visual maps that break silos, reveal opportunities, and guide impactful action across ecosystems.
• Support growth and business development – Contribute to pitches and proposals, proactively identifying new opportunities and helping position design as a strategic lever for clients.
• Champion and grow service design at NTT DATA UK – Advocate for the role of service and strategic design with clients and colleagues, build confidence in its value, and help grow our practice as part of Tangity’s global design community.
• Design for the age of AI – Work with business consulting and technology experts to explore how design can shape a responsible, human-centred adoption of AI and agentic systems.
• Measure and communicate impact – Combine qualitative insight and quantitative data to show the impact of design, inform decisions, and drive ongoing improvement.

What We’re Looking For

Must Have:

• 8+ years’ experience leading end-to-end service or strategic design projects across complex organisations.
• Depth in service design methods, including user research, systems thinking, and workshop facilitation.
• A track record of engaging and aligning senior leaders and multidisciplinary teams around shared outcomes, with examples of guiding decision-making through clear evidence and structured collaboration.
• Confidence using data and evidence to inform design decisions, define success metrics, and demonstrate business value.
• Confidence applying data-informed design, translating qualitative and quantitative insights into clear, actionable decisions, and defining measurable success criteria that demonstrate tangible business impact.
• Clear and compelling communication and storytelling skills.
• Experience mentoring and supporting designers, helping them grow their craft and confidence.
• Consultative and proactive mindset, comfortable navigating ambiguity in fast-changing environments, ideally within consultancy or large-scale transformation settings.
• Active or eligible SC clearance (British citizen or equivalent, with at least 5 years of UK residency).

Nice to Have:

• Degree in Service Design, UX, HCI, Psychology, or a related discipline
• Business development and sales experience.
• Knowledge of change management or behavioural design.
• Familiarity with business modelling and business case development.
• Interest in exploring and experimenting with AI and automation.
• Experience working with or alongside the UK public sector or to GDS (Government Digital Service) standards.
• Entrepreneurial experience, whether from founding or working in a startup, or leading your own side project or initiative