Customer Complaint Handling Specialist (f/d/m)

Manage the end-to-end complaint handling process, including intake, assessment, investigation, documentation, escalation, customer follow-up, and timely closure in compliance with internal procedures and regulatory requirements. Receive, review, and process customer feedback using Good Documentation Practices, classify complaints, and maintain investigation records to complete or assign additional actions as necessary. Evaluate complaints for potential health hazards, determine escalation needs, and review investigations to ensure they meet procedural requirements. Participate in complaint investigations with relevant Subject Matter Experts. This on-site role in Grens, Switzerland, is fixed-term for six months with up to 5% travel.