We are looking for a **Billing Assistant** to join our team! If you are organized, detail-oriented, and seeking professional growth in a dynamic environment, this opportunity is for you. Main responsibilities: * Issue, verify, and classify invoices and reports; * Request pumping invoices from distributors; * Record shipping notes for storage of unloading and pumping; * Issue sales invoices, storage invoices, and refueling invoices for company-owned fleet; * Record pumping data and prepare weekly quota report for management; * Cancel general invoices and issue correction letters; * Verify delivery receipts, organize files and billing documentation; * Handle NF procedures for fuel decontamination; * Read and verify loading/unloading tickets, issue daily return reports; * Record purchase invoices and control balances; * Issue MDF-e via system for fuel transportation; * Monitor monthly fuel thermal variation; * Update price lists and perform biweekly tax substitution adjustments; * Manage unused invoices, sequence discrepancies, and inventory closing; * Requirements: * **Education:** Completed High School (Higher education in Administration or Technical degree in Accounting **will be a plus**); * **Experience:** Minimum of 1 year in billing routines; * **Desired knowledge:** Fuel distributors, tax legislation, and invoice issuance; * **Skills:** Organization, proactivity, clear communication, results focus, and problem-solving.