At ***Corporativo Sanchez***, we are a group of companies dedicated to providing environmental consulting, civil protection, ASEA, and STPS services, with over 30 years in the market. We are seeking: **"Administrative Billing Assistant"** **Job Requirements** * Bachelor’s degree in Administration, Accounting, or related field. * Ability to maintain accurate records. * Ability to keep documentation organized. * Proficiency in SAE, NOI, and Excel (desirable). * Minimum 6 months of experience. **Job Responsibilities:** * Entering data into the Accounts Receivable (A/R) database. * Updating Work Orders (O.T.) with proof of payment. * Receiving Work Orders (O.T.). * Receiving payments for issuing tax-compliant addenda. * Receiving F-19 forms. * Supporting administrative tasks. * Reviewing overdue accounts receivable. * Recording income entries. **Benefits and Additional Perks:** * Monthly gross salary of $9,605. * Statutory benefits. * 3% savings fund. * Birthday and seniority bonus. * Biweekly payments. * Training. **Work Schedule:** *Monday to Thursday* from 8:00 am to 6:00 pm, and *Friday* from 8:00 am to 4:00 pm. ***Fixed weekends off: Saturdays and Sundays*** **Location:** Monte de Piedad St., 57740 Ciudad Nezahualcóyotl, Méx. **Join COSA!** Employment type: Full-time, Indefinite-term, Project-based or fixed-term, Probationary period. Contract duration: 3 months. Salary: $9,605.00 per month. Benefits: * Option for an indefinite-term contract. * Additional vacation days or paid leave. Application question(s): * How long does your commute take from your residence to the workplace? Workplace: On-site employment