OA is hiring a Quality Assurance Officer to join our client s expanding team. Reporting to the Operations and Technical Director, you ll support and strengthen the Quality Management System, working closely with the existing QA Officer.This role focuses on managing customer complaints, leading investigations, driving cross-functional improvement projects, and engaging with key stakeholders across Commercial, Logistics, suppliers, subcontractors, and clients. You ll also conduct site visits and support operational and logistics quality improvements when needed.Fluent Portuguese required.Location: Uxbridge Hours: Monday to Friday, 9am-5pm (office based). Salary: £38,000-£40,000 DOEQuality Assurance Officer Benefits Pension25 days pa, plus UK bank/public holidays (pro-rata for part years service).Life insurancePerformance bonus Income protection insurance Quality Assurance Officer Key Responsibilities Manage customer complaints end-to-end in coordination with the Commercial teamLiaise with warehouses, transport providers and suppliers to conduct investigationsComplete and manage Corrective Action Plans (CAPs)Follow up with suppliers for formal response letters and ensure timely closureAnalyse recurring issues and drive continuous improvement initiatives Support chargebacks, claims and quality-related commercial matters Handle and maintain Quality Control documentationPromote application of the Quality Control Program across departments, suppliers, subcontractors and clientsA