ISA Corporativo, a leading advertising company in transportation media, invites you to join our team as a **Billing and Collections Assistant**, with the following responsibilities: * Data entry, preparation, and issuance of fiscal documents (CFDI and XML) * Registration and maintenance of records on reception portals * Invoice preparation * Payment complements * Support during external audits * Compliance with SAT requirements **Requirements:** * Education: Completed bachelor’s degree in economics or business administration * Recent, hands-on experience with **SAP (Mandatory)** * Knowledge of SAE (desirable) **We offer:** * Statutory benefits * Food vouchers * Savings fund * Working hours: Monday to Friday, 9:00 AM to 7:00 PM * **TEMPORARY CONTRACT** WORK LOCATION: 15 minutes from Copilco or Miguel Ángel de Quevedo Metro stations Interested candidates may apply through this channel Job type: Full-time Salary: $15,400.00 per month Benefits: * Food vouchers Workplace: On-site employment