Job Summary: We are seeking an administrative and commercial assistant with a higher technical education and experience in invoicing, order management, and customer service; experience preparing budgets for window installation is highly valued. Key Points: 1. Administrative and commercial assistant role 2. Invoicing and order management 3. Customer service and email drafting We seek candidates with a higher technical education to perform administrative and commercial assistant duties. Proficiency in office software tools is required, as well as experience in invoicing and order management. Prior experience preparing budgets for window installation will be positively considered, and the ability to draft professional emails and deliver effective customer service is required. A minimum of five years’ prior experience in similar roles is required. A permanent full-time contract is offered. Working hours are Monday to Friday, from 9:00 to 14:00 and from 17:00 to 20:00. The annual gross salary is €19.800. The workplace is located in Prosperidad, Madrid city.