Part-time Medical office Jobs in Windsor, ON

Pertinent Information: Full-time, direct hire position. Primary focus of role is day to day accounting functions coupled with oversight of basic HR administrative duties. Full details to be provided during the interview process.

Wage: $65,000 – $85,000/year depending on experience. Comprehensive benefits package.

Location: Oldcastle, ON.

Job Description

The Accounting / Office Manager is responsible for overseeing daily accounting operations while managing administrative functions to ensure efficient office performance. This role combines financial oversight with hands-on office management, requiring strong organizational, leadership, and analytical skills. The ideal candidate will ensure accurate financial reporting, maintain compliance, and support business operations in a fast-paced environment.

Responsibilities to include the following, but not limited to:

Accounting & Finance

• Manage full-cycle accounting, including Accounts Payable, Accounts Receivable, General Ledger
• Prepare monthly, quarterly, and annual financial statements
• Perform bank and credit card reconciliations
• Oversee payroll processing and ensure compliance with applicable legislation
• Manage cash flow, budgeting, and forecasting
• Coordinate with external accountants for year-end audits and tax filings
• Ensure compliance with company policies, accounting standards, and regulatory requirements (e.g., HST, WSIB where applicable)
• Monitor and improve internal controls and accounting processes

Payroll & Office Management

• Administer weekly payroll, ensuring accuracy of wages, deductions and statutory remittances
• Oversee employee benefits programs (health/dental, retirement plans, leaves), including enrollment, changes and renewals
• Maintain accurate and confidential employee records, including new hires, job changes and terminations
• Support recruitment activities (job postings, screening, coordination of interviews, references)
• Coordinate onboarding and offboarding, including documentation, orientations and exit processes
• Ensure compliance with employment standards, health and safety requirements and internal HR policies

Reporting & Leadership

• Provide guidance to leadership on the financial impact of HR decisions (staffing levels, compensation, benefits changes)
• Partner with managers to interpret policies and support performance management and employee relations issues
• Identify opportunities to streamline and integrate accounting, payroll and HR processes and systems

Qualification

• Diploma or degree in Accounting, Finance, or Business Administration
• Minimum five (5)+ years of experience in accounting and/or office management
• Strong knowledge of accounting principles and financial reporting
• Experience with accounting software (e.g., QuickBooks, Sage, or similar ERP systems)
• Proficiency in Microsoft Office, particularly Excel
• Knowledge of Canadian payroll regulations, HST, and compliance requirements
• Excellent organizational, multitasking, and problem-solving skills
• Strong communication and leadership abilities