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. Along with value-added support, the company offers OEM equipment, replacement parts from industry-best brands including American Standard and Ameristar.

The Collections

Specialist obtains payment updates, collects, maintains, and ensures accurate payments for the assigned customer base. Administers timely collection follow-ups and is highly effective at adhering to collection policies to optimize collection efforts. Conducts high-volume daily outbound collection efforts via email and phone, documenting all activities in the ERP system.

Monitors A/R performance, maintaining over 90% of accounts within 3% past due. follows up on balances over 30 days, addressing payment status, billing issues, and resolutions. Alerts management to non-compliant customers and responds promptly to credit hold queues to prevent service delays. Maintains courteous, professional communication and collaborates cross-functionally to resolve customer issues.





Maintains proficiency in company systems for tasks such as data entry, messaging, call logging, and workflow updates. High school diploma or GED required; minimum 3 years of B2B collections or related experience. Solid aptitude for numerical analysis and mathematical operations.

Intermediate proficiency in MS Office (Word, Excel, PowerPoint, Outlook) and skilled in standard office technology and virtual collaboration tools. This role requires up to 40–43 hours per week and involves regular physical activity, including: Extended use of hands and arms for computer tasks Operation of office equipment (computers, phones, scanners) for up to 8 hours Comprehensive health benefits, 100% paid by the company - extended health coverage, dental, vision, and prescription drugs, effective your first day Life insurance, plus short- and long-term disability coverage Paid time off - vacation, holidays and personal days Employee Assistance Program (EAP); We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment.

If you would like more information about how your data is processed, please contact us at [email protected] is committed to providing accommodation for people with disabilities.

📌 Collections Specialist (Accounts Receivable) (Waterloo)
🏢 Marks Supply
📍 Waterloo