Data Migration Lead

- Define and own the overall data migration strategy, scope, and detailed migration plan for the TPSM implementation. - Identify all in-scope data objects, legacy systems, data sources, dependencies, and sequencing. - Define data quality standards, migration principles, mapping templates, and acceptance criteria. - Plan migration waves, mock cycles, and production cutover activities in alignment with programme milestones. - Lead data mapping workshops with business SMEs and technical teams. - Define and document source-to-target mappings aligned with the ServiceNow TPSM data model. - Translate business and functional requirements into practical transformation and validation rules. - Ensure alignment with integrations, configuration, and overall ServiceNow platform architecture. - Oversee extraction of data from legacy systems, databases, and spreadsheets. - Manage development and execution of ETL processes using ServiceNow Import Sets, Transform Maps, MID Server, APIs, or external tools. - Coordinate and manage load cycles across development, SIT, UAT, pre-production, and production environments. - Control versioning, re-loads, and data refresh activities. - Lead data profiling, cleansing, and enrichment activities to ensure data completeness, accuracy, and consistency. - Manage validation cycles with business stakeholders and SMEs. - Own reconciliation processes, error handling, issue resolution, and data sign-off. - Maintain full traceability and audit documentation. - Support SIT and UAT cycles, ensuring data readiness for each test phase. - Plan and execute final cutover migrations, including freeze periods, delta loads, and rollback planning. - Lead final production loads and post-load validation. - Support hypercare and stabilization ensuring data integrity post go-live.