Senior Adviser Data and Testing - Workday to SAP S/4HANA

About the role

Rio Tinto is looking for a Senior Adviser Data and Testing to support the Manage People, Time and Payroll stream within its Modern ERP program, contributing to the transition to SAP S/4HANA. This is a contract/secondment opportunity through to 30 September 2027, reporting to the Data & Payroll Accounting Lead. It suits an experienced Workday professional who will lead data validation, testing and defect resolution, ensuring employee master data is complete and accurate and that payroll and time outcomes are reliable.

Key responsibilities

• Develop and run data-driven test scenarios covering data migration, interfaces and payroll and time outcomes
• Lead Workday data validation, reconciliation and exception analysis during testing
• Validate data integration between Workday and SAP S/4HANA, including off-system payroll business units
• Triage and investigate complex data and integration defects, identify variances, root causes and fixes
• Manage defects through resolution, fix validation, retesting and closure
• Partner with business stakeholders to investigate testing issues and confirm successful outcomes
• Provide technical and process guidance to the Workday integration testing team and support escalated data issues
• Improve data controls, validation processes and Workday practices while supporting cutover, knowledge transfer and hypercare readiness

Required profile

• Strong Workday experience, able to interpret Workday data and understand downstream integration impacts
• Experience testing employee master data and lifecycle events through UAT or similar validation activities
• Commitment to the safety of yourself and your team
• Strong analytical and problem-solving skills, with experience investigating defects and documenting evidence
• Strong communication and collaboration skills, able to give technical guidance and deliver within complex project timelines

Required skills

• Workday
• Data migration, mapping, reconciliation and data quality controls in HR transformation environments

What we offer

• A contract/secondment through to 30 September 2027
• Exposure to one of Rio Tinto's major transformation programs
• Career development and education assistance
• Connections across Group Services, ESPS, IS&T and the Modern ERP program
• Family-friendly health, medical and wellbeing support
• Employee discounts across banking, accommodation, cars, retail and more