Workday Data and Testing Adviser - Modern ERP

About the role

Rio Tinto is looking for a Workday Data Management SME to support the Manage People, Time and Payroll stream within its Modern ERP Program, contributing to the transition to SAP S/4HANA. The role strengthens employee master data quality, testing and integration outcomes, and applies Workday expertise to improve payroll and time data accuracy. It is a contract/secondment position through to 28 May 2027, reporting to the Data & Payroll Accounting Lead and working with Group Services, Employee Support and Payroll Services, IS&T and other Modern ERP teams.

Key responsibilities

• Prepare and run data-driven test scenarios and scripts covering data migration, system interfaces and payroll and time outcomes
• Validate Workday data during testing, including completeness checks, field-level validation and exception analysis
• Reconcile data integration outcomes between Workday and SAP S/4HANA, including off-system payroll business units
• Investigate data and integration issues, document variances and support defect resolution through to retesting and closure
• Identify improvements to data controls, validation processes and Workday practices during testing and transition
• Document process changes and update Workday procedures arising from testing, defect resolution and cutover preparation
• Support go-live readiness through training, knowledge transfer, readiness checklists and job aids
• Contribute to cutover and hypercare with practical data validation routines and supporting materials

Required profile

• Strong understanding of Workday processes, employee master data and downstream system integration impacts
• Experience testing employee master data and lifecycle events through user acceptance testing or system validation
• Commitment to safety and ability to collaborate across multidisciplinary project teams

Required skills

• Working knowledge of data migration, data mapping, reconciliation and data-quality controls in HR or payroll transformations
• Analytical and problem-solving skills, with clear documentation of defects, evidence and outcomes
• Ability to manage testing priorities and deliver to agreed timelines

What we offer

• A contract/secondment through to 28 May 2027
• Exposure to one of Rio Tinto's major global transformation programs
• Career development and education assistance
• Family-friendly health, medical and wellbeing support
• Employee discounts across banking, accommodation, cars, retail and more