Service Design Manager

Company: Rethink Mental Illness
Apply for the Service Design Manager
Location: London
Job Description:

Service Design Manager

Make a difference. Design and improve services and products through continuous improvement.

At Rethink Mental Illness, we’re working to become a lean organisation, with continuous improvement embedded in how we work every day. We are looking for a Service Design Manager to join our Planning & Improvement team where you’ll help lead improvements in how we design and deliver services and products.

The Business Improvement & Technology directorate was formed in January 2026, bringing together Technology & Business Systems with Compliance, Quality, Audit and PMO. This new directorate has an exciting purpose to drive real, meaningful change across the organisation. It will play a key role in improving how we work, maintaining compliance, shaping and strengthening our technology, systems, and data to deliver quality services, demonstrate our impact and enable strategic planning & delivery.

What you’ll be doing

  • Lead service design and process improvement projects from discovery through to design and optimisation
  • Embed user-centred design grounded in insight, co-design and evidence based decision making.
  • Identify improvement opportunities using data, performance metrics and user feedback
  • Facilitate workshops, ideation sessions and re-design processes
  • Develop process maps, personas, journeys and design artefacts
  • Oversee the production of documentation ensuring alignment to organisational architecture and delivery frameworks.
  • Ensure compliance with organisational policies and regulatory requirements.
  • Align service design with organisational goals, user needs and technical feasibility
  • Embed design principles and continuous improvement practices across teams
  • Work closely with stakeholders to influence, challenge and drive sustainable change
  • Mentor and coach and support colleagues in the team, building capability in service design and improvement
  • Monitor, test and refine solutions to ensure real impact
  • Establish feedback loops, monitoring and performance measures.

What you’ll bring

  • Experienced in designing services and products over the full design lifecycle.
  • Experienced project manager, ideally skilled in agile and waterfall methodologies.
  • Understand user research principles, personas, journey mapping, co-design and accessibility.
  • Skilled in end-to-end service mapping and identifying interdependencies.
  • Ability to understand complex systems and design services that work across teams and channels.
  • Ability to build strong stakeholder relationships across differing levels in Rethink Mental Illness including influencing and negotiating to achieve sustainable improvements.
  • Knowledge of Lean or continuous improvement methodologies
  • Skilled in data analysis, interpreting complex data into clear and actionable insight.
  • Experienced in identifying inefficiencies and redesigning processes for quality, efficiency and user experience.
  • Ability to champion change, bring others on the change journey through understanding needs and engaging effectively.
  • Ability to prioritise challenges, frame problems and design strategic solutions.
  • Ability to communicate effectively both verbally and in written form.
  • Experience of using Lean methodologies.
  • Experienced in facilitating and coaching others.
  • Experience in developing technology-based products.
  • Experience in user research.

Benefits

  • Wellbeing support, including EAP and mental health tools
  • Inclusive culture with active staff networks
  • Recognition & rewards through discounts and internal platforms
  • Generous leave – 25 days + bank holidays + your birthday off
  • Learning & development to support your growth
  • Family & financial support, including pension and enhanced leave
  • Travel benefits like cycle-to-work and season ticket loans
  • Referral bonus up to £300

Our commitment to inclusion

We’re proud to be building a diverse, inclusive and anti‑racist organisation. We actively encourage applications from people with lived experience of mental illness and from underrepresented communities. We are committed to creating a workplace where everyone feels heard, valued and able to belong.

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Posted: June 11th, 2026