Sr Accounts Receivable Medicaid - Hybrid GDL MX

We are looking for a Senior Accounts Receivable Specialist to manage and support the full accounts receivable cycle while working closely with a U.S.-based finance team. This role requires a professional with solid AR experience, excellent English communication skills, and the confidence to interact directly with customers regarding outstanding balances, payment discrepancies, and account inquiries. The ideal candidate is detail-oriented, proactive, highly organized, and enjoys collaborating across teams to ensure accurate financial records, timely collections, and healthy cash flow. Key Responsibilities Manage the full Accounts Receivable cycle, including invoicing, collections, cash application, and account reconciliations. Monitor customer accounts and follow up on outstanding invoices and past-due balances. Communicate professionally with customers via phone and email to resolve billing questions, payment issues, and account discrepancies. Apply and reconcile incoming payments accurately. Investigate and resolve account discrepancies in a timely manner. Maintain accurate AR records and supporting documentation. Support month-end close activities related to Accounts Receivable. Collaborate closely with Accounting and Finance teams to ensure accurate financial reporting. Escalate complex collection issues when appropriate. Build positive relationships with both internal stakeholders and external customers. Qualifications Bachelor's degree in Accounting, Finance, or a related field. Approximately 5 years of Accounts Receivable experience. Experience managing the full Accounts Receivable cycle. Experience supporting U.S.-based companies or clients. Advanced English (written and spoken). Comfortable communicating with customers over the phone regarding payments and account-related issues. Strong analytical, problem-solving, and organizational skills. High attention to detail and ability to manage multiple priorities. Ability to work effectively in a collaborative team environment. Nice to Have Experience working with healthcare organizations or within the U.S. healthcare industry . Familiarity with Medicaid, Medicare, medical billing, insurance claims, or healthcare Accounts Receivable processes . Experience with Revenue Cycle Management (RCM) or healthcare billing systems. Valid U.S. Visa. Monthly Salary: MXN $30,000 - $35,000 Before taxes Christmas Bonus : 30 days, to be paid in December. Major Medical Expense Insurance : Coverage up to $20,000,000.00 MXN. Minor Medical Insurance Dental Insurance : Always smile with confidence! Life Insurance : (Death and MXN Disability) Vacation Days : 12 vacation days in accordance with Federal Labor Law, with prior approval from your manager. + Floating Holidays : 3 floating holidays in addition to the 7 official holidays in Mexico. Cell Phone Reimbursement & Transportation Subsidy . Hybrid Scheme : Enjoy the best of both worlds, remote and in-office work. Multicultural Exposure : Work with operations within Mexico and United States. MezTal Internal Events : Strike a healthy balance between your professional and personal goals. Exclusive Discounts : Benefits with different companies for being part of MezTal. Academic Agreements : Access to national universities and language schools.