Leidos has more than 30 years’ experience of developing and running some of the largest government systems in the world. We are currently hiring to expand our UK based technical team who support our delivery for the UK Govt. Come join our team and further develop your skills as we deliver and support systems key to the defence of the UK and partner nations. Being part of the Leidos team is a commitment to push yourself and those around you to do better, constantly adapt and learn new technologies. We’re a passionate team and are committed to developing and growing our staff. Leidos is a global science and technology solutions leader working to solve the worlds toughest challenges in the defence, intelligence, homeland security, civil, and health markets. The companys 33,000 employees support vital missions for government and commercial customers. We are seeking an experienced and proactive Service Architect to lead and own the service transition process within an agile delivery environment. This pivotal role ensures that all aspects of service are considered throughout the delivery lifecycle, enabling successful and seamless transition into live operations. You will act as the central point for all service design and transition activities, collaborating across engineering, solution architecture, security, ITSM, and programme management teams. This is a hands-on, strategically important position that will shape how services are introduced and maintained in a complex and fast-moving technology environment. You will create and own detailed service designs and contribute significantly to the service acceptance criteria for go-live readiness KEY RESPONSIBILITIES The Service Architect will be responsible for: • Service Transition Ownership: Lead the service transition planning and execution across agile delivery teams, ensuring new or changed services are effectively and smoothly handed over to live operations. • Service Design: Produce detailed, fit-for-purpose Service Designs, including support task analysis and training needs assessment. • Stakeholder Collaboration: Work closely with: • Engineering: to ensure supportability and operational readiness of developed solutions. • Solution Architects & Security: to influence technical design from a service operations perspective. • Programme Manager & Scrum Master: to align service readiness with delivery milestones. • Head of Live Service and ITSM Function Leads: to ensure operational acceptance criteria are met. • Technical Leads: to define support models and ensure documentation and handover requirements are clearly understood. • Requirements Management: Define and manage service requirements with the SMO, integrating them into solution designs and • ITIL Process Alignment: Ensure all service designs and transitions align with ITIL framework best practices, including: • Incident, Problem, and Change Management • Service Level Management • Knowledge Management • Continual Service Improvement • Governance & Assurance: Provide service input into design authorities, governance forums, and acceptance boards. • Service Impact Assessment: Review proposed solutions to assess and influence impacts to live service and support structures. KEY SKILLS AND EXPERIENCE You will have experience in designing full end-to-end service solutions in large scale enterprise environments. Good understanding of enterprise IT technologies infrastructure components and business processes. Highly experienced and qualified in service management frameworks (ITIL) and their practical implementation. Experienced in large scale outsourcing bid responses, particularly government model contracts. DV security cleared as a minimum. The Service Architect must have: • Proven experience as a Service Architect, Service Designer, or Service Transition Lead within complex IT delivery environments. • Strong working knowledge of the ITIL framework (minimum ITIL v3/v4 Foundation; Intermediate or Expert level desirable). • Demonstrable experience in: • Designing and implementing service models within large programmes. • Agile delivery methods, particularly Scrum, including active participation in ceremonies and backlog refinement. • Creating Service Design Packages and contributing to Operational Acceptance Criteria. • Coordinating early life support and transitioning services into BAU support environments. • Excellent interpersonal skills to engage technical and non-technical stakeholders at all levels. • Strong analytical and documentation skills, including gap analysis, risk assessment, and transition planning. • Experience working within cross-functional, multidisciplinary teams including engineering, cyber security, and programme teams It is desirable for the Service Architect to have: • ITIL 4 Managing Professional or ITIL Expert certification. • Experience working in secure or regulated environments (e.g. public sector, finance, defence, healthcare). • Experience with service toolsets such as ServiceNow, Manage Engine, BMC Remedy, or equivalent. Clearance Requirements: • Clearance to Start- DV • Clearance for Role- DV Are you ready to make an impact? Begin your journey of a flourishing and meaningful career, share your CV with us today! What we do for you: At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance. We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes: • Contributory Pension Scheme • Private Medical Insurance • 33 days Annual Leave (including public and privilege holidays) • Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme) • Dynamic Working