Principal Service Designer – Discovery Lead (Central Government)

We are seeking an experienced Principal Service Designer to lead a high-profile discovery phase within a central government digital transformation programme. This role will focus on building a robust and comprehensive understanding of user needs, service interactions and key pain points within a nationally significant public-facing register.

The successful candidate will work collaboratively with an in-house digital team, bringing independent challenge, deep experience of legacy modernisation and the ability to move at pace while maintaining objectivity and delivery rigour.

Key Responsibilities

  • Lead and structure a full discovery phase aligned to GDS standards
  • Build a comprehensive understanding of user needs, behaviours and pain points
  • Map current state services, journeys and processes
  • Develop service blueprints and articulate future-state opportunities
  • Identify constraints, risks and dependencies within legacy systems
  • Provide independent challenge and strategic insight to senior stakeholders
  • Collaborate closely with digital, technical, policy and operational teams
  • Produce clear, evidence-based outputs to inform subsequent Alpha and Beta phases

Essential Experience

  • Extensive experience leading discovery phases within central government
  • Strong working knowledge of GDS service standards and delivery lifecycle (Discovery to Live)
  • Proven track record of delivering service design within complex, high-volume public services
  • Experience working within or alongside central government departments
  • Deep understanding of legacy modernisation in public sector environments
  • Ability to translate research and insight into structured, actionable recommendations

Desirable Experience

  • Experience working on public registers or regulatory services
  • Previous involvement in GDS service assessments
  • Background in complex data-driven services
  • Exposure to policy-led transformation environments

Skills & Capabilities

  • Strategic service design leadership
  • User-centred design methodology
  • Stakeholder engagement at senior level
  • Workshop facilitation and collaborative delivery
  • Strong analytical and synthesis capability
  • Clear written communication and evidence reporting

Personal Attributes

  • Independent thinker able to provide constructive challenge
  • Comfortable operating in complex, ambiguous environments
  • Outcome-focused and delivery-oriented
  • Collaborative, credible and commercially aware

Job Details

Company
LHH
Location
London Area, United Kingdom
Posted