Cashier Assistant – Costco – Mississauga, ON

Costco Wholesale Canada Ltd. is hiring a Cashier Assistant in Mississauga, ON at 1570 Dundas Street East, Mississauga, ON L4X 1L4. This front-end warehouse role focuses on packing member orders, supporting Cashiers, and delivering a consistently high level of member service.

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You’ll help keep checkout running smoothly by boxing orders, moving items to carts or flatbeds, running for supplies when requested, and maintaining a clean and safe register area. It’s a hands-on role that rewards strong teamwork, attention to detail, and a customer-first attitude.

About the role: Cashier Assistant

As a Cashier Assistant, you’ll greet members, help load orders onto the conveyor belt, confirm packing preferences, answer questions, and share information on special promotions. You’ll pack member orders into boxes and load them to a separate cart or flatbed, checking packaging for tampering and following all safety and security procedures. When appropriate, you’ll assist members loading orders into their vehicle.

Day to day, you’ll run for merchandise, boxes, register supplies, and item numbers as requested by Cashiers to keep lines moving. You’ll transfer items not on the belt to carts or flatbeds while Cashiers scan them, follow proper departmental procedures, maintain cleanliness at the register and front end, clean spills and trip hazards immediately, retrieve carts and flatbeds from the parking area, and complete set-up/closing duties like returning products, collecting paperwork, stocking registers, and cleaning. You may also operate a mechanical trash compactor and cardboard bailer, and support the cashier during promotions.

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Benefits and Salary

Pay and benefits are not listed in the details provided for this posting. Any compensation details may be shared during the application or interview process.

Job Details

📌 Job Type: Front End / Warehouse — Cashier Assistant

📍 Location: 1570 Dundas Street East, Mississauga, ON L4X 1L4, Canada

🏢 Company: Costco Wholesale Canada Ltd.

🎓 Education: High School Diploma or GED (preferred)

Requirements / Skills

  • Member service mindset: greet members, answer questions, and provide prompt and courteous support.
  • Comfort packing and organizing orders quickly: boxing, transferring to carts/flatbeds, and checking packaging for tampering.
  • Ability to support a busy checkout: run for items (merchandise, boxes, register supplies, item numbers) to keep lines moving.
  • Ability to follow safety and security procedures, including cleaning spills and trip hazards immediately.
  • Ability to retrieve carts/flatbeds from the parking area and keep the lot area tidy (including sweeping in front of the building).
  • Ability to complete set-up and closing tasks (return products, collect paperwork, stock registers, clean area).
  • Ability to operate equipment as needed, including a mechanical trash compactor and cardboard bailer.
  • For Quebec postings, ability to communicate in French (oral and written) is required (as noted).

How to Apply

If you’re ready to support front-end operations, pack orders efficiently, and provide great member service, apply through the official posting link. In your application, highlight any customer service experience, fast-paced retail or warehouse work, and your ability to stay organized while following safety procedures.

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Job Summary & Tips for Applying

AI-generated summary and tips to help you highlight your strengths effectively.

To stand out for this Cashier Assistant role, make sure your resume reflects the core work: packing orders into boxes, moving items to carts or flatbeds, and supporting Cashiers so checkout stays efficient. If you’ve worked in retail, grocery, or any fast-moving front-end environment, describe how you kept pace while staying accurate.

Costco puts a strong focus on safety and security procedures. Mention habits like cleaning spills right away, watching for trip hazards, and keeping your workspace organized. If you’ve operated store equipment (or worked around equipment safely), that’s also worth including—especially if you’ve used or worked near compactors or bailers.

Finally, highlight your member service style: being friendly, listening to packing preferences, answering questions, and staying calm during busy rushes. This job blends speed with service, so showing you can do both—without cutting corners—can help you land an interview.