We are looking for an experienced Payroll Accountant to support payroll operations for a construction and contractor environment in Mississauga, Ontario. This Long-term Contract opportunity is ideal for a detail-oriented individual who can oversee complex payroll activities, maintain compliance, and produce accurate reporting across union and non-union groups. The successful candidate will bring strong payroll accounting knowledge, a disciplined approach to reconciliations, and the ability to manage time-sensitive payroll cycles with accuracy.

Responsibilities:

• Process and maintain employee compensation, payroll data, hours worked, earnings, and deductions within the payroll system.

• Complete weekly and bi-weekly payroll processing accurately and on time for both union and non-union employee groups.

• Generate and review audit, exception, and reconciliation reports to validate gross-to-net pay, labour hours, pay rates, deductions, and payroll accuracy.

• Manage payroll disbursements, including direct deposits, pay statements, garnishments, employment insurance claims, and government correspondence.

• Validate and reconcile payroll transactions with downstream systems, including job costing, general ledger, payroll taxes, benefit remittances, and statutory payments.

• Partner with outsourced payroll tax compliance providers and coordinate payroll tax notices, remittances, and compliance activities.

• Prepare and submit union and non-union payroll reporting, including certified payroll, prevailing wage, and benefit remittance reports, ensuring compliance with applicable federal, provincial/state, and job-specific regulations.

• Coordinate and support payroll tax audits, union benefit audits, annual workers' compensation audits, and other payroll-related compliance reviews.

• Investigate, analyze, and resolve payroll discrepancies, variances, and exceptions in a timely manner.

• Create queries, reports, Excel workbooks, and summary analyses to support payroll operations, audits, and business requirements.

• Provide audit support and prepare documentation for internal and external auditors.

• Perform additional payroll and accounting duties and participate in process improvement initiatives as assigned.

• Minimum of 5 years of payroll administration or payroll accounting experience, preferably within construction, contracting, or another complex workforce environment.
• At least 3 years of experience processing both Canadian and U.S. payroll for union and non-union employees.
• Post-secondary education in Accounting, Finance, or a related discipline is preferred.
• Strong knowledge of payroll legislation, remittances, garnishments, payroll tax treatment, and reconciliation practices.
• Advanced proficiency in Microsoft Excel, including reporting and data analysis.
• Experience with ERP and payroll systems; exposure to Sage, Vista, Jonas, or Acumatica is considered an asset.
• Demonstrated ability to reconcile payroll data to financial systems, including general ledger and job costing records.
• Experience supporting payroll audits and preparing regulated payroll submissions.
• Strong analytical, organizational, and problem-solving skills with exceptional attention to detail and confidentiality.
• Ability to manage multiple priorities and meet deadlines in a fast-paced environment.

Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app and get 1-tap apply, notifications of AI-matched jobs, and much more.

This job posting is for a current vacancy with our client.

Our specialized recruiting professionals apply their expertise and utilize our proprietary AI to find you great job matches faster.

Questions? Call your local office at 1.888.490.3195. All applicants applying for Canadian job openings must be authorized to work in Canada.

Only job postings for jobs located in Quebec appear in French.

© 2025 Robert Half. By clicking “Apply,” you’re agreeing to Robert Half’s Terms of Use and Privacy Notice.