Payroll Administrator

We are seeking a detail-oriented and experienced Payroll Administrator to join our team. As a Payroll Administrator, you will be responsible for accurately processing payroll, maintaining payroll records, and ensuring compliance with relevant laws and regulations. The ideal candidate is detail-oriented, collaborative, and hands-on, with strong technical payroll knowledge and experience working in a fast-paced, multi-entity environment. This position requires a strong understanding of Canadian payroll legislation, unionized payroll administration, and UKG PRO WFM systems. Responsibilities: Payroll Processing and Administration Process weekly payroll for hourly and salaried employees across multiple Canadian provinces Ensure payroll is completed accurately, on time, and in compliance with federal and provincial regulations Maintain employee payroll records, including new hires, terminations, salary adjustments, and deductions Support payroll administration within unionized environments and ensure compliance with collective agreements Review payroll data for accuracy and resolve discrepancies in a timely manner Compliance & Reporting Assist with statutory payroll requirements, including WSIB reporting, tax remittances, and provincial filings Support payroll reconciliations and ensure accurate payroll-related general ledger coding Prepare payroll reports and assist Finance with month-end reconciliations and reporting activities Maintain confidentiality and accuracy when handling employee payroll information Systems and Process Support Utilize and maintain payroll systems, specifically UKG PRO WFM Assist in improving payroll procedures, controls, and documentation to support organizational growth and efficiency Identify payroll issues, investigate discrepancies, and recommend practical solutions Qualifications: University degree required in business-related field, PCP certificate is preferred A minimum of 3 years of experience in payroll Asset to have UKG experience The candidate will possess a proactive work ethic Ability to work well under pressure in a fast-paced environment Strong communication, organization, time management and problem-solving skills Excellent people skills and a friendly, responsible, service-oriented attitude Ability to work with confidential, sensitive information and maintain discretion Strong attention to detail, analytical and math skills As the Payroll Administrator, you will be handling confidential information. We need to ensure this information is handled with extreme care/privacy. This posting is for an existing vacancy. We are actively reviewing resumes for this open role. Headquartered in Mississauga, Onyx-Fire serves local and national clients, providing preventative maintenance and project services to protect people and properties. Join our high-performance culture, where you can advance your career, take on greater responsibilities, and contribute to our clients’ property operations and life safety requirements. Onyx Fire Protection Services is an equal opportunity employer committed to fair and respectful treatment of all individuals. We value diversity as a strength and strive to create an inclusive workplace. In accordance with provincial legislation and our Accommodation Policy, we welcome accommodation requests throughout the hiring process

The Payroll Administrator will be responsible for accurately processing payroll and maintaining payroll records while ensuring compliance with relevant laws and regulations. This includes processing payroll for employees across multiple provinces and supporting payroll administration in unionized environments.

Candidates should have a university degree in a business-related field and a minimum of 3 years of payroll experience. A PCP certificate and experience with UKG are preferred, along with strong communication and problem-solving skills.

Identified from the job description. Confirm important requirements above.

• Payroll Processing
• Compliance
• Attention To Detail
• Problem Solving
• Communication
• Organization
• Time Management
• Analytical Skills
• Math Skills
• Technical Payroll Knowledge
• Unionized Payroll Administration
• UKG PRO WFM
• Confidentiality
• Service Orientation
• Collaboration
• Fast-Paced Environment

Minimum education

Bachelor’s degree

Minimum experience

2+ years

Apply by

Sep 8, 2026