Administrative Office Manager

The Administrative Office Manager is responsible for overseeing all office, administrative, and clerical operations to ensure the location runs efficiently, compliantly, and with strong internal controls.

This role serves as the operational backbone of the business—supporting payroll, job management, accounting administration, benefits coordination, office staffing, and compliance. The Office Manager partners closely with the General Manager, Project Managers, and field teams to keep work flowing, people paid correctly, and financial processes accurate and timely.

The ideal candidate is organized, dependable, detail-oriented, and capable of leading office operations in a fast-paced restoration environment.

WINMAR® Property Restoration Specialists is a national leader in disaster restoration and construction services across Canada. With decades of experience and a trusted reputation among insurers, municipalities, commercial partners, and homeowners, WINMAR® delivers restoration work the right way—safely, professionally, and to the highest standards.

Each WINMAR® location operates as a high-performance business unit within a proven national framework. Our leaders are empowered to own results, build markets, and scale responsibly while maintaining the integrity and operational discipline of the WINMAR® brand.

• Maintain Accurate Job Administration by ensuring timely and complete job setup, data entry, and documentation.
• Oversee Payroll Processing to ensure accurate, compliant, and on-time payroll for all staff.
• Manage Timesheet Collection and Validation for office and field personnel.
• Administer Benefits Enrollment and Changes accurately and confidentially.
• Oversee Accounts Receivable & Payable Processes, including invoicing, deposits, and statement preparation.
• Support Collections Efforts by tracking outstanding balances and following established processes.
• Recruit, Onboard, and Train Office Staff as required to support business needs.
• Supervise and Support Office Team Members, maintaining accountability and service standards.
• Ensure Compliance with Health & Safety Documentation and administrative requirements.
• Support Marketing Administration, including document coordination and basic tracking.
• Maintain Organized Office Systems for files, records, and digital platforms.
• Serve as a Reliable Administrative Partner to the General Manager and leadership team.

• Administrative & Office Management
• Payroll & Timekeeping Accuracy
• Basic Accounting & Financial Administration
• Attention to Detail
• Confidentiality & Professional Judgment
• Organization & Time Management
• Problem Solving
• Staff Supervision & Coordination
• Process Adherence
• Reliability & Accountability

• 1–3 years of experience in an administrative, office management, or clerical role
• Strong computer skills and comfort working with office software and job management systems
• Ability to read, write, and speak English fluently

• Experience supporting construction, restoration, or trades-based businesses
• Exposure to payroll processing, invoicing, AR/AP, or benefits administration
• Prior experience supervising office staff

• Prolonged periods sitting at a desk and working on a computer