Costco Careers in O'Fallon, MO — Immediate Openings
As of October 2026, there are 50+ open Costco positions in O'Fallon, MO. Current pay ranges from $17 to $32 per hour. Top hiring areas include Warehouse, Grocery and Fulfillment Center. New roles are posted daily — listings on this page are verified and updated regularly.
Costco
Costco Careers (Part Time)
O'Fallon, MO
$19 - $26
Costco
O'fallon Career:Store Associate at Costco | Hiring
O'Fallon, MO
$18 - $24
Costco
O'fallon:Student(Part-time,$19-$24/hr) | Hiring
O'Fallon, MO
$19 - $24
Costco
Part Time Cake Decorator
O'Fallon, MO
$21 - $25
Costco
Food Service Assistant (Part Time)
O'Fallon, MO
$20 - $24
Costco
Forklift Driver - Part Time
O'Fallon, MO
$19 - $27
Costco
Costco Part Time Jobs
O'Fallon, MO
$20 - $27
Costco
O'fallon Career:Loss Prevention Clerk-Part Time at Costco | Hiring
O'Fallon, MO
$20 - $24
Costco
Security(Retail Asset Protection)Vacancy in O'fallon | Hiring
O'Fallon, MO
$19 - $25
Costco
Retail Associate - Part Time
O'Fallon, MO
$20 - $23
Costco
Costco Morning Shift Jobs (Part Time)
O'Fallon, MO
$19 - $23
Costco
Deli Clerk - Part Time
O'Fallon, MO
$20 - $26
Costco Careers in O'Fallon — FAQ
How many Costco jobs are available in O'Fallon, MO right now?
There are currently 50+ open Costco positions in O'Fallon, MO. These include cashiers, sales associates, stock associates, customer service reps, and store management roles across many Costcoers. New jobs are added daily.
How much do Costco jobs pay in O'Fallon?
Costco pay in O'Fallon varies by employer and role: cashiers and sales associates typically earn $12–$18/hr, stock and overnight associates $13–$19/hr, and store managers roughly $45K–$75K+/year. Some employers add extra pay for night and weekend shifts.
Are there Costco jobs with no experience in O'Fallon?
Yes. Most cashier, sales associate, and stock positions in O'Fallon require no prior experience, and employers typically provide paid on-the-job training. Some specialized roles such as pharmacy or management may ask for relevant experience — check each listing.
What shifts and hours do Costco jobs offer in O'Fallon?
Costco shifts in O'Fallon are flexible: daytime, evening, overnight stocking, and weekend-only schedules are all common. Part-time shifts of 4–6 hours are widely available alongside full-time roles, so you can find hours that fit around school, family, or another job.
What benefits do Costco jobs offer in O'Fallon?
Benefits for Costco jobs in O'Fallon vary by employer, but many roles include an employee discount, flexible scheduling, and paid training. Full-time positions often add health, dental, and vision insurance, a 401(k), and paid time off. Check each listing for specifics.
How much is Costco take-home pay after taxes in O'Fallon?
Your take-home pay in O'Fallon depends on your hourly rate, hours worked, and state tax rate. For example, an associate earning $15/hr full-time in a no-tax state like Texas takes home roughly $500/week, while in California it's a bit lower after state tax.
Which Costco stores are hiring immediately in O'Fallon?
Many Costcoers in O'Fallon are hiring immediately, with start dates often within 1–2 weeks of applying — and faster during seasonal peaks. Browse the 50+ listings above and apply directly to the employer.
Last updated: October 10, 2026