Key Roles & Responsibilities

You will act as a team member or team lead, responsible for end-to-end as-is/to-be data mapping and migration activities (operations-side) within a DWH renewal program, and for driving cross-functional coordination across business, IT, vendors, and Japan Head Office stakeholders.

Project Planning & Management

•    Develop and manage the end-to-end plan for as-is/to-be data mapping and migration activities within the DWH renewal / Downstream systems project (operations-side).

•    Define the scope, approach, and workflow for mapping activities based on system specifications, data definitions, target architecture, and business requirements.

•    Drive milestones, dependencies, and resource planning; monitor progress and provide regular status reporting.

Stakeholder Coordination

•    Serve as the primary point of contact among business users, IT teams, vendors, and Japan Head Office stakeholders to align requirements, resolve issues, and report status.

•    Lead requirement clarification sessions, support impact analysis, and ensure decisions and assumptions are documented and agreed.

Business Requirements & Data Mapping Coordination

•    Lead and facilitate the collection, structuring, and consolidation of mapping-related inputs and requirements from business users and IT specialists.

•    Analyse gaps and differences between current and target states; drive consensus-building and requirement alignment.

•    Provide guidance to senior team members and review/validate key deliverables to ensure completeness and accuracy.

Documentation & Quality Control

•     Create, review, and maintain data mapping documents and other related project materials in line with project standards and auditability requirements.

Risk & Issue Management

•     Identify project risks, issues, and impacts; propose mitigation actions, solutions, and contingency plans.

What You Should Have

•    Strong understanding of Data Warehouse concepts and downstream data flows.

•    Hands-on experience with Global and/or Regional Data Warehouse platforms and downstream consumer systems.

•    Experience in system implementation in bank.

•    Experience participating in requirements definition and testing/validation phases for DWH renewal or migration projects.

•    Business-level Japanese (written and spoken) to communicate effectively with Japan Head Office stakeholders.