Costco Jobs in Diamond Bar, CA — Hiring Now - Page 3

Costco is hiring in Diamond Bar, CA — 40+ open positions across warehouse, driver, fulfillment & more. Weekly pay, benefits from Day 1. Browse openings in Diamond Bar.

Costco

(Diamond Bar)Part-Time:Digital Fulfillment Associate

Diamond Bar, CA

$19 - $23

Costco

Sushi Chef(Part-Time)@ Costco-Diamond Bar

Diamond Bar, CA

$21 - $29

Costco

Diamond Bar Needs:Cart Attendant(Part-Time)

Diamond Bar, CA

$18 - $21

Costco

Earn Extra Cash:Warehouse Associate(Diamond Bar)

Diamond Bar, CA

$19 - $24

Costco

[New] Bakery Worker-Diamond Bar(PT)

Diamond Bar, CA

$19 - $22

Costco

Urgent Hire in Diamond Bar:Optical Assistant

Diamond Bar, CA

$20 - $23

Costco

Evening/Weekend Delivery Driver(Diamond Bar)

Diamond Bar, CA

$20 - $25

Costco

Supplemental Income:Hearing Aid Specialist(Diamond Bar)

Diamond Bar, CA

$25 - $33

Costco

Diamond Bar Part-Time Opening:Bakery Assistant

Diamond Bar, CA

$18 - $23

Costco

Evening/Weekend Front End Assistant(Diamond Bar)

Diamond Bar, CA

$18 - $24

Costco

Flexible Part-Time:Warehouse Receiver-Diamond Bar

Diamond Bar, CA

$20 - $23

Costco

Flexible at Costco(Part-Time,Diamond Bar)

Diamond Bar, CA

$19 - $23

Last updated: September 19, 2026