A leading staffing agency in Southwestern Ontario is seeking a Senior Accounting Supervisor to oversee day-to-day accounting operations and mentor junior staff. This role requires at least 5 years of experience in accounting, including solid QuickBooks and Advanced Excel skills. The successful candidate will manage accounts payable/receivable activities, prepare financial reports, and ensure operational efficiency within a multi-entity health services context. This is a full-time position with a salary range of $80,000 to $90,000.