About the Role We're looking for a detail-oriented, bilingual Billing Coordinator to join our Billing Department. In this role, you'll handle invoicing, accounts receivable, and customer billing support. You'll make sure invoices are accurate, on time, and compliant with SAT requirements, while working closely with sales, customer service, and program management.
Key Responsibilities Billing and Invoicing Process and complete invoices promptly, working in tandem with other internal applications
Organize and schedule recurring billing assignments
Review billings for accuracy and completeness
Issue CFDI 4.0 invoices in line with current SAT requirements, and validate XML/PDF files on the SAT portal
Print and manage invoices for miscellaneous minor accounts
Upload invoices to customer portals as needed
Accounts Receivable Apply customer payments in the system, identifying deposits and transfers
Issue and send Payment Complements (REP) accurately and on time
Issue and apply credit notes for returns
Reconcile customer account statements and clean up balances
Prepare and follow up on the accounts receivable aging report
Manage preventive collections and follow-up
Customer and Internal Support Serve as a point of contact for customers and resolve billing issues for smaller or less complex accounts
Support sales, customer service, and program management with billing and other customer-related issues
Develop a working knowledge of billing procedures handled by other team members in the Billing Department
Perform other office duties as assigned
Education and Experience Bachelor's degree in Public Accounting (Contaduría Pública)
6 months to 2 years of experience in a similar role (Accounting Assistant,



Billing Assistant, Accounts Receivable, or Accounts Payable). Professional internships or social service will be considered for candidates with a strong technical foundation.
Technical Skills Solid knowledge of CFDI 4.0 invoicing and SAT requirements, including product/service code catalogs, CFDI usage codes, and payment methods/forms
Experience with Payment Complements (REP) and credit notes
Basic accounting knowledge, including creditable/transferred taxes and withholdings (ISR/VAT)
Microsoft Excel (intermediate to proficient) for cross-referencing databases and reconciliations; proficiency in Microsoft Word
Hands-on experience with an ERP or business system such as P21 (or equivalent), specifically in sales order processing, invoicing, and accounts receivable modules (preferred)
Basic knowledge of online banking for reviewing bank transactions
Language Fluent in both Spanish and English (required)
Other Requirements Valid visa to travel to the United States (required)
Own a car (preferred)
Skills We're Looking For Strong attention to detail and numerical accuracy
Organized, self-motivated, with diligent work habits and the ability to follow established processes
Ability to work quickly and accurately while following directions
Strong listening, written, and verbal communication skills, including professional and courteous phone skills
Strong interpersonal skills and the ability to adapt to people with different work styles and personalities
Good analytical skills, with a desire to learn processes and make informed, timely decisions
Effective communication and negotiation skills for collections follow-up
Required Assessment Excel: Proficient

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📌 Billing Coordinator – Part Time (Centro Cívico)
🏢 US Tool Group Mexico, de C.V.
📍 Centro Cívico