Senior Service DesignerLocation: London / HybridSecurity Clearance: SCDuration: 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 membersDesign user-focused services that meet programme goalsCollaborate with technical and operational teams to support service transitionPromote Agile, ITIL 4, and continual improvement practicesClearly document design decisions and risks Essential Skills and Experience:Proven service design expertise with a strong user focusExperience working in Agile and ITIL environmentsStrong leadership, mentoring, and stakeholder engagement skillsKnowledge of project delivery frameworks (e.g. PRINCE2) This is a rare opportunity to work on services that make a direct contribution to public safety and national resilience. 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 (phone number removed) or email your CV and coveri