Administrative Assistant – Accounting and Billing Department A socio-educational organization is seeking an **Administrative Assistant** to join its **company accounting and billing department**, on a full-time morning schedule, with the workplace located in the **Salón de los Reyes** area. This position is intended for individuals with **practical knowledge and experience in corporate accounting and billing**, as the selected candidate will be integrated into the organization’s finance area. **Main Responsibilities** The selected person will provide support to the administrative and finance areas, primarily carrying out the following duties: * Direct support to the **accounting department**. * **Issuance, management, and control of invoices**. * Management and tracking of **receivables and payables** using management software. * Registration and filing of administrative documentation. * Telephone assistance and email management. * General support to the administrative team. * Coordination with other departments to ensure proper administrative management. **Essential Requirements** Practical knowledge and/or experience in corporate accounting and billing is mandatory. **Applications failing to meet this requirement will not be considered, as this position is specifically linked to the accounting area.** * Training in administration, accounting, business management, or related fields. * Demonstrable experience or training in **corporate accounting and billing**. * Proficiency in the **Microsoft Office suite**, especially Excel. * Regular use of email and digital office tools. * Organizational skills, responsibility, and ability to work as part of a **team**. * Strong communication skills and telephone customer service aptitude. **Particularly Valued** * Prior experience in corporate accounting departments. * Familiarity with accounting and billing management software. * **Residence in the San Sebastián de los Reyes area or nearby**, or strong availability to commute. Job Type: Full-time Salary: €19,000.00–€20,000.00 per year Education: * Medium-Level Vocational Training (Desirable) Experience: * Administrative experience: 1 year (Desirable) Work Location: On-site employment