Service Transition Lead, AWS ProServe UKGI

Overview

In this role you drive the end-to-end transition of workloads from legacy HMRC data centers to the AWS platform, ensuring readiness for Run & Operate. You serve as the bridge between delivery and operations, securing stakeholders’ acceptance and documenting all aspects of the transition. You will chair review boards, define acceptance criteria, and oversee risk, dependencies, and knowledge transfer. You help shape the R&O operating model and maintain a up-to-date service catalogue and CMDB. This is a high-impact role within the UK government cloud migration program, offering visibility across governance bodies and operating teams.

Responsibilities

• Own end-to-end service transition process for workloads migrating to AWS
• Develop and maintain the Service Transition Plan aligned with milestones and Day 1 readiness
• Define and manage service acceptance criteria with the R&O Lead
• Chair AWS Service Transition Review Boards for handover approvals
• Produce operational documentation (Runbooks, SOPs, architecture/configuration, monitoring, incident/change management, DR/BCP, support models)
• Identify and manage transition risks, dependencies, and issues with delivery leads
• Coordinate Early Life Support periods with defined entry/exit criteria
• Ensure effective knowledge transfer from project teams to R&O
• Maintain service catalogue and CMDB entries for transitioned services
• Provide regular transition status reports, readiness dashboards, and risk registers
• Interface with HMRC stakeholders to ensure customer acceptance and alignment with operations
• Support development and continuous improvement of the R&O operating model

Key requirements

• Experience as a Service Transition Lead or similar in large-scale IT transformation or data centre exit programmes
• Strong ITIL knowledge across Service Transition, Service Operation, and Continual Service Improvement
• Experience in AWS or public cloud environments with practical cloud-native operations understanding
• Experience in a prime contractor model, ideally in UK public sector/government programmes
• Strong documentation and governance skills for operational handover artefacts
• Excellent communication and facilitation skills; ability to lead review boards and drive decisions
• Experience with service acceptance testing and operational readiness assessments
• Familiarity with Agile and PRINCE2 project methodologies
• Eligibility to obtain UK Government Security Clearance

• Strong stakeholder management
• Clear and proactive communication
• Facilitation and decision-making
• ITIL framework expertise (Service Transition, Service Operation, CSI)
• Experience with Runbooks, SOPs, and operational documentation
• Knowledge of monitoring/alerting configurations, incident and change management

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