Data Migration Lead - Data Transformation

  • Jobtailor
  • 11/07/2026
Full time Information Technology Telecommunications

Job Description

Responsibilities
  • Analyse source and target data structures to understand differences, dependencies and risks
  • Define and document data mapping, transformation and reconciliation rules
  • Support the Business Architect in performing detailed data analysis to inform migration design
  • Identify data quality issues and support the definition and execution of data cleansing and remediation plans
  • Contribute to the definition of the overall data migration approach, including sequencing, dependency management and cutover considerations
  • Produce clear migration specifications, validation rules and test data to support delivery and testing
  • Support data migration testing activities, including reconciliation, issue investigation and resolution
  • Assist in specifying data reporting and data quality requirements for migration and post-migration states
  • Provide input into operational data ownership, controls and post-migration monitoring arrangements
  • Work within programme governance structures, supporting mobilisation and ongoing delivery
Requirements
  • Strong experience working as a Data Migration Lead or similar role on complex transformation programmes
  • Proven experience analysing source and target data models and supporting migration design
  • Hands-on experience defining data mappings, transformation logic and reconciliation rules
  • Experience identifying and addressing data quality issues within large or complex datasets
  • Practical involvement in data migration testing, validation and issue resolution
  • Understanding of migration sequencing, cutover planning and deployment considerations
  • Strong analytical and problem-solving skills, with attention to detail
  • Ability to collaborate effectively with architects, delivery teams and business stakeholders
  • Comfortable operating in environments with multiple systems, datasets and dependencies
  • Experience contributing to data-led or platform-based transformation initiatives
  • UK-based and able to travel onsite 2 days per week
  • Experience working on large-scale data transformation or system replacement programmes
  • Exposure to data governance, data ownership or post-migration monitoring models