Job Summary: We are looking for a dynamic, organized Administrative Assistant with excellent customer service skills to handle administrative tasks, communication, and customer support. Key Highlights: 1. Stability and growth in an expanding company 2. Professional, close-knit, and excellence-oriented environment 3. Flexible working hours We seek a dynamic, organized Administrative Assistant with excellent customer service skills to join our team. Your responsibilities: * Administrative management: invoicing, expense control, and use of HOLDED ERP system. * Digital organization and archiving. * Registration and updating of services in the internal system. * Communication with customers and suppliers in Spanish, English, and Basque. * Customer support: phone calls, emails, incident handling, and post\-service follow\-up. * Preparation of quotations and commercial support. What we are looking for: * English at B2 level and operational Basque. * An organized, solution\-oriented person with attention to detail. * Proficiency in Excel, Word, email, and CRM systems. * Experience in transport, logistics, or services is highly valued. What we offer: * Immediate hiring. * Stability and growth in an expanding company. * Professional, close-knit, and excellence-oriented environment. Employment type: Part\-time, Permanent contract Salary: 12\.000,00€\-15\.000,00€ per year Expected working hours: 20 hours per week Benefits: * Flexible working hours Work location: On\-site employment