Position Summary: We are seeking a professional to manage the customer portfolio, perform timely collections, identify overdue accounts, and ensure proper integration and tracking of invoices. Key Responsibilities: 1. End-to-end management of customer portfolio and collections. 2. Supervision and tracking of invoicing and payments. 3. Maintenance of customer information and agreements. Job Description and Detailed Activities: * Customer portfolio handling, tracking, and integration. * Maintain customer portfolio with timely and proper collections. * Identify overdue accounts, follow up, establish contact with customers, and, if necessary, request support from the Administrative Director. * Report scheduled payment commitment dates provided by customers (tracking via portals and emails); recovery projections. * Verify and supervise shipping executives through customer portals to track invoices with observations or rejections. * Compile electronic files of rejected invoices and coordinate follow-up between billing and customer management teams, as applicable. * Monitor that re-invoicing is performed correctly and resubmitted for collection. * Identify credit collections in bank statements. * Manage preparation and delivery to customers—via email or portals—of the billing REP (Payment Receipt) using the PPD payment method. * Ensure timely accounting registration of customer credit deposits, associating the corresponding REP. * Report customer portfolio indicator. * Perform customer maintenance—including onboarding, offboarding, or information updates—in accounting and ERP systems. * Keep customer agreement information and insurer discount percentages up to date. * Compile the customer catalog’s contact database. * Manage collections and legal enforcement with law firms for individual accounts, as applicable. * Control supporting documentation required for payment application. Experience and Requirements: Bachelor’s degree in Accounting or Business Administration; proficiency in accounts receivable, journal entries, invoicing, deposits, Excel, and ERP system usage. Spanish 2 years of relevant experience Ability to integrate financial information; ability to identify priorities. 25–45 years old Gender-neutral Organized, responsible, customer-service oriented, sense of urgency, proactive. None Benefits: * Benefits according to the Federal Labor Law (LFT) * Cafeteria * Uniform * Medical expense insurance **Number of vacancies** 1 **Department** Accounting/Finance **Employment type** Permanent **Work modality** On-site **Shift** Mixed **Working hours** Full-time **Net monthly salary** $24,000 MXN **Education** Bachelor’s degree with professional title **Willingness to travel** No