**Position: Administrative and Billing Assistant** Company located in **Mexico City** is seeking an **Administrative and Billing Assistant**. **Work location:** Metro **Eduardo Molina** **Schedule:** Monday to Friday, **8:00 a.m. to 5:00 p.m.** **Salary:** **$12,100 net monthly** **Type of engagement (IMPORTANT): Fee-based, not payroll.** **It is mandatory that the candidate be able to issue invoices.** Preferably registered under **RESICO** (or able to register immediately). **Main responsibilities:** * Preparation and tracking of billing. * Administrative control and documentation filing. * Support in general administrative tasks. * Review of supporting documents and basic reports. **Essential requirements:** * Experience in administrative and billing activities. * Basic proficiency in Microsoft Office suite. * Organizational skills, attention to detail, and responsibility. * Availability to work during the specified schedule. **We offer:** * Fixed schedule, Monday to Friday. * Timely payment. * Operational stability. Job type: Full-time Salary: $12,100.00 per month Workplace: On-site employment