Accounts Receivable Associate

Join Clario, a part of Thermo Fisher Scientific and help support the financial operations that enable the delivery of innovative clinical trial solutions around the world. As an Accounts Receivable Associate, you will play a key role in managing billing, collections, account reconciliations, and customer account administration while ensuring accuracy, compliance, and exceptional customer service. Working closely with internal stakeholders and customers, you will help drive financial performance, improve operational efficiency, and support the organization's commitment to quality and continuous improvement.

What We Offer

• Competitive compensation and incentives.

• Private medical coverage and MetLife protection.

• SZÉP Card and telework reimbursement.

• Flexible time off.

• Engaging employee events and hybrid technology support.

What You'll Be Doing

• Set up and maintain customer accounts while reviewing contracts, budgets, and billing requirements to support accurate invoice creation and distribution.

• Manage billing activities across multiple service lines, ensuring compliance with contractual terms, company policies, and financial controls.

• Investigate and resolve billing discrepancies, maintain contract budgets, and coordinate pass-through expenses to ensure accurate financial reporting.

• Develop and manage customized billing solutions for strategic and high-priority customer accounts.

• Monitor accounts receivable aging and proactively address delinquent accounts through customer outreach and issue resolution.

• Collaborate with customers and internal stakeholders to investigate payment delays, resolve disputes, and improve collection outcomes.

• Support negotiations related to payment plans, account resolutions, and collection strategies while escalating issues appropriately.

• Reconcile customer accounts to ensure billing accuracy and maintain the integrity of financial records.

• Prepare detailed financial reports, analyses, and account summaries to support business decisions and operational performance reviews.

• Identify trends, risks, and opportunities to improve accounts receivable performance and cash collection effectiveness.

• Assist with complex account reconciliations, including intercompany transactions and ledger balancing activities.

• Maintain accurate documentation of billing, collection, and reconciliation activities in accordance with company procedures.

• Participate in cross-functional initiatives that improve operational effectiveness, compliance, reporting accuracy, and customer experience.

• Contribute to process improvement activities by identifying gaps, recommending enhancements, and supporting system optimization efforts.

• Support ad hoc reporting, project reconciliations, and special initiatives as assigned by Finance leadership.

What We Look For

• Bachelor's degree in Accounting, Finance, Business Administration, or a related field, or equivalent combination of education and experience.

• Minimum 3 years of accounting experience with a focus on invoicing, contract review, accounts receivable, billing operations, or collections.

• Direct experience in accounts receivable, customer billing, collections, or credit management preferred.

• Strong understanding of financial principles, reconciliation processes, and accounts receivable best practices.

• Proficiency with Microsoft Office applications, including Excel and Word.

• Experience working with ERP systems, financial systems, or enterprise accounting software preferred.

• Excellent analytical and problem-solving skills with the ability to identify trends and recommend process improvements.

• Strong organizational skills with exceptional attention to detail and accuracy.

• Excellent verbal and written communication skills with the ability to interact effectively with internal and external stakeholders.

• Professional and customer-focused approach when handling customer inquiries and account-related discussions.

• Ability to manage competing priorities and work independently in a dynamic, fast-paced environment.

• Proven ability to investigate and resolve complex account issues while maintaining positive customer relationships.

• Strong collaboration skills with the ability to work effectively across Finance, Operations, Project Management, and Commercial teams.

At Clario, a part of Thermo Fisher Scientific, our purpose is to transform lives by unlocking better evidence. It’s a cause that unites and inspires us. It’s why we come to work—and how we empower our people to make a positive impact every day. Whether you're advancing clinical science, building innovative technology, or supporting our global teams, your work helps bring life-changing therapies to patients faster.