Job Summary: We are looking for an Administrative Assistant with high responsibility in billing and document management, valuing organized and solution-oriented profiles. Key Highlights: 1. Key role in daily billing and document management operations. 2. Stable position with direct impact on the department. 3. Internal training and opportunity for continuous learning. We seek to hire an **Administrative Assistant** for our Administration Department. The selected candidate will play a key role in the daily operations of the billing area, providing direct support to the team and ensuring proper document management, customer invoicing, and cost control. This is a highly responsible position, especially regarding the management of special customers and critical administrative processes; therefore, we value organized, solution-oriented profiles with strong attention to detail. Main Responsibilities Among other duties, the selected candidate will be responsible for: * Daily email review and handling of inquiries and incidents. * Breakdown and organization of administrative documentation. * Internal coordination with other departments and managers. * Scanning, archiving, and organizing documents. * Monitoring and recording thermographic data in the management system. * Daily customer invoicing and management of special invoices. * Order consolidation and documentary planning. * Management of supplier and collector data (license plates, dates, costs, etc.). * Recording supplier payments and entering trip-related costs into the system. * Preparation and monitoring of invoicing for customers with specific operational requirements. Requirements * Education in Administration, Business Management, or related field. * Prior experience in administrative roles, preferably in billing areas. * Proficient use of office software (especially Excel). * Strong organizational skills, attention to detail, and ability to manage repetitive tasks. * Autonomy, responsibility, and a solution-oriented attitude. * Experience with management and billing systems is desirable. Key Competencies * High organizational and planning capability. * Focus on detail and work quality. * Ability to manage critical administrative processes. * Strong communication and teamwork skills. * Capacity to adapt to workload peaks during specific periods. What We Offer * Joining a well-established and growing company. * Permanent contract from day one. * Positive work environment and collaborative team. * Internal training and opportunity for continuous learning. * Stable position with direct impact on departmental operations. * Recognition of high-quality work and team support. Job Type: Full-time Benefits: * Company events * Free parking * Training program * Private health insurance Work Location: On-site