Maintenance Assistant – Costco – Kitchener, ON
Location: Kitchener, ON | Company: Costco Wholesale
Costco’s Optical Lab in Kitchener, Ontario is looking for a reliable and detail-oriented Maintenance Assistant to join their facility team at 4438 King Street East. This is a hands-on role that plays a key part in keeping the lab clean, safe, and running smoothly day to day.
In this position, you’ll handle everything from janitorial duties and floor care to grounds maintenance and inventory management. If you take pride in a well-maintained workspace and enjoy variety in your daily tasks, this role has a lot to offer.
About the Role: Maintenance Assistant
As a Maintenance Assistant, your primary focus is on maintaining the cleanliness and upkeep of the entire Optical Lab facility to meet Costco’s high company standards. You’ll be responsible for cleaning floors, emptying and operating trash and cardboard compactors, washing windows, changing light bulbs, and responding quickly to spills. Beyond routine cleaning, you’ll also assist with concrete floor repairs, painting, and monitoring cleaning supply inventory.
This role also involves contributing to grounds maintenance — including snow and ice removal, leaf blowing, litter pickup, and periodic roof checks. You’ll be expected to follow all safety and security procedures consistently, operate the internal maintenance system (Interal), and support the team with internal and external purchases as needed.
Benefits and Salary
This Maintenance Assistant position at Costco in Kitchener offers a pay rate of $20.00 per hour. Costco is widely known for offering competitive compensation packages, and working at the Optical Lab gives you access to a stable, structured work environment with a respected employer in the Canadian retail sector.
Job Details
🏢 Company: Costco
📍 Location: 4438 King Street East, Kitchener, ON N2P 2G4
💰 Pay: $20.00 per hour
📌 Pay Rate Type: Hourly
Responsibilities
The Maintenance Assistant role at Costco’s Kitchener Optical Lab is varied and active. Each day brings a mix of routine cleaning tasks, facility upkeep, and support duties that keep the lab safe, organized, and up to standard for employees, members, and suppliers alike.
- Clean floors throughout offices, the break room, restrooms, the production floor, and other facility areas; change scrubber water frequently to minimize dust
- Empty trash from designated areas across the facility and operate trash and cardboard compactors
- Maintain lighting by cleaning fixtures regularly, changing bulbs, and washing windows, upper walls, and ceilings
- Respond quickly to spills and other cleaning needs as they arise throughout the facility
- Support grounds maintenance including leaf blowing, litter pickup, roof checks, snow and ice removal, painting, and concrete floor repairs
- Monitor and restock cleaning supplies and place merchandise in the appropriate departments
- Operate the Interal maintenance system and assist with conducting store inventory
- Perform internal and external purchases as required and provide courteous service to members, employees, and suppliers
Requirements / Skills
Costco is looking for a candidate who is mechanically inclined, physically capable, and dependable. The ideal person for this role takes their responsibilities seriously and can be trusted to follow established safety and operational procedures without close supervision.
- High School Diploma or GED preferred
- Valid driver’s licence is required for this position
- Janitorial experience is preferred and will be considered an asset
- Mechanical aptitude is required to support facility maintenance tasks
- Manual dexterity is required for hands-on cleaning and repair work
- French language skills (oral and written) are required for candidates applying to Quebec locations
How to Apply
To apply for the Maintenance Assistant position at Costco in Kitchener, use the link below to access the official job posting. Make sure your resume is up to date and reflects any relevant janitorial or maintenance experience before submitting.
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Job Summary & Tips for Applying
Quick Summary & What to Highlight: This Maintenance Assistant role at Costco in Kitchener is a great fit for candidates who excel in janitorial work, facility upkeep, and following safety procedures. On your resume, emphasize any experience with floor care equipment, compactors, or grounds maintenance, your attention to cleanliness standards, and your ability to work independently in a fast-paced environment. If you’ve previously worked in building maintenance, janitorial services, or a warehouse/production setting, make sure to highlight specific responsibilities and achievements that align with this position.
Resume & Application Tips: Before applying, tailor your resume to match the job description. Include keywords like janitorial maintenance, floor care, and safety compliance that appear in the posting. Quantify your achievements where possible (e.g., “maintained cleanliness across a 10,000 sq ft facility” or “restocked and tracked supplies for a team of 30+”). Write a brief cover letter expressing your genuine interest in working with Costco and why you’re well-suited for this hands-on role in Kitchener. Double-check your application for spelling errors and ensure your contact information is current.
Interview Preparation: If selected for an interview, research Costco‘s values, commitment to employee standards, and workplace culture beforehand. Prepare specific examples using the STAR method (Situation, Task, Action, Result) to demonstrate your attention to safety, reliability, and physical work ethic. Common questions may include scenarios about handling spills quickly, prioritizing multiple tasks, and working as part of a team. Dress appropriately for a maintenance/facility environment, arrive 10–15 minutes early, and bring copies of your resume. Prepare thoughtful questions about the role, team dynamics, and day-to-day scheduling. After the interview, send a thank-you email within 24 hours reiterating your interest in the position.