Description and details of activities * Bill expenses and fees related to customs agency operations (customs declarations) * Send payment receipts * Send expense reports (supporting documents) to clients * Mexican invoicing (Lucy system) * U.S. invoicing (QuickBooks) * Preparation of proformas / quotations * Addressing client inquiries * Administrative support tasks (preparing accounting files, archiving) Experience and requirements * Knowledge of Mexican electronic invoicing 4.0 * Proficiency in Lucy and Darwin systems * Knowledge of QuickBooks * Archiving knowledge * Basic Excel knowledge and skills * Experience managing client portals * Positive attitude * Teamwork * Responsibility * Mathematical skills * Customer service orientation * Organized * Education: High school diploma or bachelor’s degree * Statutory benefits and savings fund provided * Salary: $3,000 MXN, negotiable based on interview * Monday to Friday, 8:00 AM to 6:00 PM * Location: Otay area Benefits * Benefits according to the Federal Labor Law (LFT) * Savings fund **Number of vacancies** 2 **Department** Administration **Contract type** Permanent **Work modality** In-person **Shift** Day shift **Work schedule** Full-time **Working hours** Full-time * Morning shift * 10-hour shift * Monday to Friday **Net monthly salary** $12,000 – $14,000 MXN **Education level** High school **Age range** 21 – 65 years **Willingness to travel** No