Senior Service Designer - 6 months, Inside IR35 up to 480 a day Milton Keynes / Hybrid working Parity Group are delighted to partner with our client, a public sector organisation, who is looking to recruit a Senior Service Designer for a minimum 6-month period, this role will Hybrid working and based in Milton Keynes.You will receive a daily rate of up to 480 a day and the contract will see you INSIDE IR35.This role will lead the design of secure, scalable, and operationally robust services across a complex technology portfolio. The successful candidate will work closely with architects, service owners, and delivery teams to ensure services are designed to meet user needs while aligning with enterprise architecture, operational support models, and government security standards.Key ResponsibilitiesLead the creation of end-to-end service designs across the full service lifecycle.Produce clear and reusable service design artefacts including service blueprints, customer journeys, and design specifications.Develop Service Design Packages (SDPs) to support transition into live operations.Define service models including SLAs, OLAs, and underpinning support agreements.Ensure services are secure, resilient, scalable, and cost-effective.Work collaboratively with Service Owners, Product Owners, Architects, and delivery teams to translate requirements into operational service designs.Participate in design governance and assurance reviews, presenting designs and incorporating feedback.Ide