Accounts Receivable Specialist

Overview

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mSupply is the leading provider of premium solutions, parts, and equipment for professionals serving customers on their appliance parts, HVAC, plumbing, and commercial kitchen needs. Headquartered in St. Louis, Missouri, mSupply is a multi-billion-dollar enterprise operating out of more than 200 locations throughout North America. Offering unparalleled product breadth, expertise across our national footprint, and ease of doing business through leading-edge technology, servicers prefer mSupply because we amplify what they do best: taking great care of their clients with speed, reliability, and accuracy.

Learn more about MSupply at

O’Connor Company is an industry leader in wholesale HVAC equipment, parts, and tools. As a distributor of HVAC services in the Midwest, they provide a range of quality product lines, including Trane, American Standard, and Mitsubishi Electric. The company serves the commercial and residential markets in Kansas, Oklahoma, Missouri, Nebraska and Iowa. For more information, visit

The Accounts Receivable Specialist is responsible for managing and securing accurate payment and collections for assigned customers. This role prepares reports on outstanding balances and collection activities to keep management aware of customer account performance and risk assessment.

• Builds and maintains strong customer relationships to ensure satisfaction and loyalty through prompt, professional communication and issue resolution.
• Collaborates with internal departments to resolve customer concerns efficiently, fostering a culture of professionalism, integrity, and teamwork.
• Reviews daily aging reports and contacts customers with balances over 30 days past due; documents collection efforts, negotiates payment arrangements, and ensures timely resolution.
• Monitors account payment behavior to identify high-risk accounts; recommends escalation to outside collection agency or legal action when necessary.
• Maintains Accounts Receivable over 90% current, with less than 3% over 90 days past due.
• Responds to job queues within two minutes to avoid delays in order processing or customer service.
• Provides accurate updates on delinquent accounts to management weekly and monthly.
• Processes ACH/ECheck, credit card transactions, Lien Waivers, and related documentation within one business day.
• Handles NSF (Non Sufficient Funds) checks immediately upon notification.
• Supports branch locations with credit card issues, customer credit holds and prioritizing resolution of time-sensitive matters.
• Performs additional duties as assigned, adapting to evolving organizational needs and responsibilities.

• High School diploma or its GED equivalent
• 2+ years or more experience with accounts receivable and/or cash applications
• High degree of personal ethics, customer service, and commitment to safety.
• Demonstrate Intermediate level in MS Office suite applications (Excel, Outlook, Word)
• Aptitude for mathematical operations and numerical analysis.
• Use computers, photocopiers, scanners, phone systems and meeting and virtual platform sharing relative to the needs of the job.
• Minimum keyboarding skills of 40 words per minute.
• High ethical standards, integrity, and a strong sense of ownership.
• Ability to operate in a dynamic, fast-paced environment while meeting deadlines.
• Exceptional organizational and project management skills.
• Regular verbal communication via phone and in-person interactions (up to 6 hours daily).

This full-time position requires approximately 40 hours per week and involves regular physical and sensory activity, including:

• Bending, lifting, and carrying materials weighing up to 20 lbs.
• Prolonged sitting (up to 8 hours), with intermittent standing and walking throughout the shift
• Continuous use of fingers, hands, and arms for computer and office-related tasks
• Frequent use of office equipment such as computers, phones, and scanners (up to 8 hours daily)

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