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Accounts Receivable Representative III

Thermo Fisher · Lagunilla, Costa Rica

Full-timeOn-sitePosted 14 August 2026
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Job description

Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description Position Summary As an Accounts Receivable Representative III, you will play a critical role in supporting the company's financial health by driving effective collections strategies and ensuring the timely resolution of outstanding receivables. Leveraging your expertise in accounts receivable and customer relationship management, you will collaborate with cross-functional teams—including Commercial, Finance, Customer Service, Product Management, and Accounting—to resolve complex issues, improve cash flow, and minimize financial risk. Your ability to build strong customer relationships, identify process improvements, and maintain compliance with internal controls will directly contribute to achieving our financial objectives and delivering exceptional customer experiences. Key Responsibilities Manage a portfolio of customer accounts to ensure timely collection of outstanding invoices while maintaining positive customer relationships. Proactively contact customers regarding past-due balances, investigate payment delays, and collaborate with internal stakeholders to resolve billing disputes. Review customer accounts and perform account maintenance activities within established authority limits. Provide customers with payment information, statements, and account reconciliations, while coordinating payment arrangements when appropriate. Process customer invoice submissions through various customer portals and ensure compliance with customer-specific requirements. Apply incoming customer payments accurately and timely while researching and resolving unapplied cash or payment discrepancies. Partner closely with Commercial, FP&A, Customer Service, and Accounting teams to resolve complex accounts receivable issues and improve collection effectiveness. Support internal and external audits by preparing documentation, maintaining compliance with SOX requirements, and adhering to company policies and financial controls. Identify opportunities to improve processes, enhance operational efficiency, and contribute to continuous improvement initiatives. Perform other related duties and special projects as assigned. Minimum Qualifications High School Diploma or equivalent required. Associate's or Bachelor's degree in Accounting, Finance, Business Administration, or a related field is preferred. Minimum of 2 years of experience in Accounts Receivable, Collections, Credit, or a related finance function. Experience working in a shared services or multinational environment is preferred. B2 English Level. Knowledge, Skills & Abilities Strong understanding of Accounts Receivable processes, collections, cash application, and customer account management. Excellent problem-solving and analytical skills with the ability to investigate and resolve complex account discrepancies. Strong communication and relationship-building skills with the ability to interact effectively with customers and cross-functional business partners. Proficiency in Microsoft Excel (pivot tables, VLOOKUP/XLOOKUP, basic formulas) and experience working with ERP systems such as SAP, Oracle, or equivalent. High attention to detail, accuracy, and ability to manage multiple priorities in a fast-paced environment. Ability to work independently while contributing effectively within a collaborative team environment. Continuous improvement mindset with a focus on delivering operational excellence and outstanding customer service.

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