Job Summary: We are seeking an Administrative Assistant to provide support to the administration and commercial departments, handling billing, accounting, and customer management. Key Highlights: 1. Multifunctional administrative and commercial support 2. Billing, accounting, and customer service management 3. Dynamic work environment with capacity to support various departments This **Administrative Assistant** vacancy at the **Constantí Industrial Park** is designed as a support role for the administration department. **Main Responsibilities** The selected candidate will join the administration department and provide support both to the administration department and the commercial area, primarily carrying out the following tasks: Billing to customers and suppliers Accounting and invoice control Coordination and support with the HR department Support to the commercial area: commercial and administrative back office Commercial management and support related to customers and quotations Sales tracking and customer service. **Required Academic Qualifications** Vocational Training Cycle in Administration Assistant (CFGM) Higher Vocational Training Cycle in Administration and Finance (CFGS) or equivalent qualification **Languages** Catalan: advanced level (spoken and written) Spanish: advanced level (spoken and written) **Computer Tools** Proficiency in office software (Microsoft Office / Excel) Experience with DELSOL management software Knowledge of ERP Business Central **Candidate Profile** Organized, responsible individual with ability to work in a team Strong time management skills and attention to detail Proactive attitude and ability to support various administrative and commercial departments. **Preferred Qualifications** Prior experience in administration departments Knowledge of accounting, billing, and CAE Experience in commercial back office Additional Requirements Valid driving license type B and personal vehicle. Job Type: Full-time Experience: * Microsoft Business Central: 1 year (Mandatory) Work Location: On-site employment