Maintenance Assistant – Costco – East Gwillimbury, ON

Costco Wholesale Canada is hiring a Maintenance Assistant for its East Gwillimbury, ON location (18182 Yonge Street). This role is responsible for janitorial services, cleanliness, and general upkeep of the warehouse and grounds, helping maintain Costco’s high standards for safety, cleanliness, and member service.

If you are detail-oriented, enjoy working in a hands-on environment, and want to be part of a team that values quality and efficiency, this could be the right fit for you.

About the Role: Maintenance Assistant

The Maintenance Assistant ensures that the warehouse, offices, restrooms, and common areas are kept clean, safe, and organized. Daily responsibilities include operating cleaning equipment, sweeping, mopping, restocking supplies, and handling cardboard and trash collection.

In addition, the role includes checking the facility perimeter, cleaning up spills promptly, maintaining safety standards, and assisting with the general upkeep of the building and grounds. As part of the Costco team, you’ll also provide courteous member service and support other departments as needed.

Benefits and Opportunities

• Competitive compensation and benefits as part of Costco’s team.
• Stable work environment with opportunities to grow within the company.
• Safe, team-focused workplace culture with strong emphasis on cleanliness and security.
• Hands-on experience with facility and janitorial maintenance equipment.

Key Responsibilities

• Clean warehouse floors, offices, restrooms, and breakrooms using floor scrubbers, sweeping, mopping, and wiping.
• Collect and dispose of cardboard and trash; operate garbage compactor and cardboard baler.
• Restock cleaning supplies and ensure work areas remain hazard-free.
• Perform daily scheduled maintenance tasks and perimeter checks of the facility.
• Report facility and maintenance issues to management promptly.
• Respond quickly to spills and safety hazards.
• Provide prompt, courteous service to Costco members.

Qualifications

• High School Diploma or GED preferred.
• No prior experience required – on-the-job training provided.
• Ability to follow safety and cleanliness standards consistently.
• Strong attention to detail and reliability.
• For Quebec postings: ability to communicate in French (oral and written).

How to Apply

Ready to join one of Canada’s most respected employers? Apply online through the official Costco Careers portal:

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