Accounts Receivable Specialist

About mSupply™

mSupply is a North American distributor of OEM repair parts and equipment serving the appliance, HVAC and plumbing industries. Headquartered in St. Louis, the company combines industry expertise with a broad product selection and a national distribution network.


With 2,000 employees across the United States and Canada, mSupply delivers speed and reliability at scale, with a vast product inventory and same-day shipping. Its family of brands is focused on making sure customers always get the Right Products. Right Now.™


For more information, visit mSupply.com.


Job Summary

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.


Job Duties & Responsibilities

• 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.

Minimum Job Requirements

• 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).

Physical Demands & Work Environment

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

• 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)

What We Offer:


We prioritize your well-being from day one with a comprehensive benefits package that includes:

• Medical, dental, vision, and prescription coverage effective immediately
• 401(k) plan with company contributions
• Life insurance and short- and long-term disability coverage
• HSA/FSA options and an Employee Assistance Program (EAP)
• Paid time off, including vacation, holidays, and personal days
• Weekly pay, employee discounts, and more

Equal Employment Opportunity & Pre-Employment Requirements:

mSupply is an Equal Opportunity Employer. We make employment decisions without regard to sex, age, race, color, creed, religion, national origin, citizenship or immigration status, sexual orientation, gender identity or expression, disability, genetic information, marital status, veteran or military status, or any other status protected by applicable federal, state, or local law.


We are committed to providing reasonable accommodations for qualified individuals with disabilities and to applicants with sincerely held religious beliefs, in accordance with applicable law. To request a reasonable accommodation, please contact View email address on click.appcast.io.


Final offers of employment may be contingent upon completion of job-related pre-employment checks and screenings permitted by law for the position. For roles that require operation of a company vehicle, a Motor Vehicle Record (MVR) check may also be conducted to determine insurability. This employer participates in E-Verify to confirm employment eligibility in the United States.


#mSupply

Pay Range: $19 - $24 per hour