Salary: £60,000 - 67,596 per year Requirements: Degree or equivalent experience in Computer Science or Information Technology. Professional level certifications such as ITIL (Foundation or higher), BCS Certificate in Service Design, ISO/IEC 20000 Practitioner, Service Integration and Management (SIAM), Lean Six Sigma, TOGAF, AgilePM, or equivalent experience. Ability to translate business, user, and operational requirements into coherent, efficient, and cost-effective service designs. Experience creating end-to-end Service Design Packages (SDPs). Understanding of Agile and user-centred design approaches. Experience leading and managing Service Designers. Proven ability to deputise for senior technology leaders and engage with senior stakeholders and governance forums. Experience designing secure or air-gapped platforms within the government sector. Knowledge of NCSC, GDS, and UK government security frameworks including Secure by Design and Cloud Security Principles. In-depth understanding of service design principles, IT service management frameworks, and end-to-end service lifecycle management. Familiarity with enterprise and technical architecture concepts. Experience leading co-design workshops. Proven experience in leading service design, delivery, and governance of large-scale IT or digital services. Ability to produce and maintain service blueprints, operating models, SLAs, and OLAs. Successful track record in building relationships with senior stakeholders and influencing technical and business decisions. Collaborative work experience with Technical Architects, Service Owners, Product Owners, and delivery teams. Experience developing service design options and advising on time, cost, quality, and trade-offs. Knowledge in designing business continuity, disaster recovery, and resilience solutions. Utilizing operational data and metrics effectively. Membership of a recognized professional body such as BCS or IET (desirable). Experience designing for government security classification OFFICIAL and above (desirable). Familiarity with AI technologies (desirable). Responsibilities: Ensure service designs are robust, cost-effective, and aligned with our clients strategic objectives. Lead and manage the Service Design function. Translate business, user, and operational requirements into service designs. Create comprehensive end-to-end Service Design Packages (SDPs). Facilitate co-design workshops with relevant stakeholders. Produce and maintain service design documentation including blueprints, operating models, SLAs, and OLAs. Engage and influence senior stakeholders and governance forums in decision-making processes. Manage the design and delivery of secure or air-gapped platforms in compliance with government standards. Collaborate closely with Technical Architects, Service Owners, Product Owners, and delivery teams to ensure alignment and success. Lead service design, delivery, and governance for large-scale IT or digital services. Provide guidance on service design options related to time, cost, quality, and trade-offs. Design solutions for business continuity, disaster recovery, and resilience. Analyze operational data and metrics to inform decision-making and improvements. Technologies: AI Cloud ITIL Security TOGAF UX UI Design More: We are a government services client located near Milton Keynes, offering a hybrid working environment with on-site requirements for up to 3 days per week. Our team is committed to creating secure and innovative service designs that align with our strategic objectives. We value the expertise of our Lead Service Designer, who will play a pivotal role in managing service design functions while collaborating with various stakeholders. This position comes with competitive remuneration, opportunities for professional growth, and the chance to work in a secure environment. last updated 8 week of 2026