Fluence is seeking a Sr. Engineer, Supplier Quality Assurance to lead supplier qualification, audits, and risk assessments using VDA 6.3, ISO 9001, and IATF 16949 frameworks. This role involves reviewing and approving PPAP documentation for BESS components, supporting NPI activities, and driving corrective actions for supplier non-conformances. The engineer will monitor supplier KPIs, ensure compliance with grid and regulatory requirements, and verify reliability testing. Collaboration with service teams and managing documentation in Windchill are also key aspects of this position.