Senior Service Designer Location: London / Hybrid Security Clearance: SC Duration: Initial 6-month contract Rate: £600 p/day (inside IR35) We are working with a confidential public sector organisation who are seeking a Senior Service Designer to support a major digital transformation programme within a secure, high-profile environment. You will help shape and transition critical national services, working as part of a cross-functional team within a digital and data-driven directorate. Key Responsibilities: Lead service design activities and mentor junior team members Design user-focused services that meet programme goals Collaborate with technical and operational teams to support service transition Promote Agile, ITIL 4, and continual improvement practices Clearly document design decisions and risks Essential Skills & Experience: Proven service design expertise with a strong user focus Experience working in Agile and ITIL environments Strong leadership, mentoring, and stakeholder engagement skills Knowledge of project delivery frameworks (e.g. PRINCE2) We can only consider applications from those eligible to work in the UK for this position. This position will require some additional checks, to ensure you can access the site worked as needed. For more information on this position, please contact Marika Powell at ARM on 02392 228232 or email your CV and covering letter to marika.powell@arm.co.uk.