A leading company in the trading and processing of paper and cardboard, with over 60 years of experience and located in Montornés del Vallés, is seeking to hire an administrative professional for its purchasing department. The main responsibilities include: * Planning and managing paper/cardboard orders according to system requirements. * Reviewing stock levels and inventory to propose purchases. * Processing supplier orders and tracking deliveries. * Coordinating logistics with suppliers: shipments, consignees, warehouses. * Handling purchase incidents and pending materials for processing orders. Tracking deliveries from consignees. Verifying correct material receipt and validating supplier invoices. Full-time schedule of 40 hours per week from Monday to Friday during morning shifts between 09:00 and 18:00, including legally mandated breaks. * Previous experience in purchasing administration and/or material supply. * Valid driver's license and personal vehicle required for commuting to the workplace. * Living near the workplace is advantageous. * Knowledge of the paper/cardboard sector or experience in packaging companies, printing houses, or graphic arts (desirable). * Fluent spoken and written Spanish and Catalan. - Strong command of spoken and written English required for regular communication with international suppliers (advanced level). * Higher education or vocational training in Administration or related fields. - Advanced Excel user (pivot tables, complex formulas, filters, data validation, charts, etc.).