Chargé(e) de relations clients H/F

Manage client data for contract administration, sales, and invoicing by opening, closing, and archiving client files while updating administrative elements. Collect missing information, execute SAP software modifications from planners, and qualify client databases through outbound calls. Track clients via Excel planning and service support, process intervention returns, handle simple disputes, and manage receivables. Perform manual invoicing and oversee stock levels to ensure proper maintenance. Requires a Bac pro in administration or secretariat with call center experience.