We are seeking an Administrative Assistant for an office located in the center of Lleida. The main purpose of this position is to support the administrative management of the administration, finance, and purchasing departments. We are looking for a proactive individual eager to learn, with strong learning capacity and adaptability to change, as well as advanced proficiency in Office applications and other IT tools. Primary support areas include: - Supporting customer invoicing - Assisting with bank and cash collections management - Administrative coordination with suppliers (delivery notes, goods receipts, returns) - Assisting with accounting for purchase invoices and expenses - Purchasing - Invoicing - Invoice archiving This position aims to support the organization’s administrative, accounting, and purchasing functions. Primary support areas include: - Supporting customer invoicing - Assisting with bank and cash collections management - Administrative coordination with suppliers (delivery notes, goods receipts, returns) - Assisting with accounting for purchase invoices and expenses - Purchasing - Invoicing - Invoice archiving * Minimum 2 years’ experience. Prior experience in administrative support roles is required—specifically at least two years as an Administrative Assistant. Experience managing delivery notes, invoice processing, and purchasing activities. Expert-level proficiency in Microsoft 365 environment, Excel, Outlook, and prior experience working with an ERP system. * Medium-level vocational training qualification (FP de Grau Mig) * Catalan (intermediate spoken and written proficiency) * Competencies / knowledge: Stress tolerance, communication and active listening, organization and planning * Permanent employment contract * Part-time position (20 hours per week)