Rio Tinto is seeking a Senior Adviser - Test Assurance (Financial Reporting) to drive validation and assurance across the Up-to-date ERP program, coordinating across Finance, Tax, Data and IS&T; teams to ensure reporting outputs are accurate and ready for each test phase. You will lead test planning, evidence management and stakeholder sign-off, aligning with governance standards, and act as a central coordinator between programme and business teams to deliver outcomes.