Accounts Receivable (Ar) Analyst (Fixed Term Contract) - Costa Rica

Job Description **This is a 12-month fixed-term contract opportunity.** The Accounts Receivable (AR) Analyst supports AR and Order-to-Cash (O2C) operations for support to our customers. This entry-level role focuses on accurate cash application, routine reconciliations, AR reporting, timely customer service and close collaboration with OTC teams while contributing to AR/O2C improvement projects and maintaining control compliance. Key responsibilities Cash application: Accurately review customer payments as Unapplied Cash in the ERP within SLA; research and document unapplied or partially applied receipts and review as per process. Reconciliations & month‑end support, reconcile unapplied cash and credit memos; deliver assigned AR schedules for month‑end close. Invoicing & master data support: Assist on disputes with invoice validation, and customer master data updates by coordinating with local teams Collections & customer service: Perform routine collections outreach using provided templates, respond to straightforward billing inquiries from B2B customers and OTC partners, and maintain clear account notes in CRM/collections tools. ( Phone calls ) Reporting & analytics: Produce recurring AR reports (aging, open invoices, unapplied cash) for the US region; flag trends (top overdue accounts, recurring short‑pays) for escalation and cash forecasting input. OTC collaboration & projects: Work with OTC, Credit, Customer service and Sales to resolve order-to-bill issues, support billing impacts for product launches/promotions, and participate in AR/O2C projects (automation, master data cleanup, process documentation). Controls & compliance: Follow internal control and SOX procedures; keep audit-ready documentation and protect customer data confidentiality. Required qualifications Experience: 0–2 years in AR, billing, cash application or customer service in a B2B environment; pharmaceutical experience a plus. Skills: Basic ERP familiarity or strong learning aptitude, intermediate Excel (filters, basic formulas, clear verbal/written communication in English, professional phone manner, strong attention to detail and time management. Use of Sales force Required Skills: Accounting, Accounting, Accounting Management, Adaptability, Audit Trails, Billing Support, Business Support, Cash Reconciliations, Communications Support, Credit Management, Customer Data Maintenance, Customer Support, Customer Technical Support, Data Reporting, Enterprise Resource Planning (ERP), Financial Accounting Controls, Financial Operations, Human Resources (HR) Shared Services Advisory, Internal Control Framework, Internal Control Procedures, Internal Control System, Internal Financial Control, Invoice Management, Invoice Processing, Invoice Reconciliation {+ 9 more} Preferred Skills: Current Employees apply HERE Current Contingent Workers apply HERE Search Firm Representatives Please Read Carefully Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company. No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails. Employee Status: Project Temps (Fixed Term) Relocation: No relocation VISA Sponsorship: No Travel Requirements: No Travel Required Flexible Work Arrangements: Hybrid Shift: Not Indicated Valid Driving License: No Hazardous Material(s): N/A Job Posting End Date: 09/17/2026 *A job posting is effective until 11:59:59PM on the day BEFORE the listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.