Costco Jobs in O'Fallon, MO — Open Positions
As of September 2026, there are 70+ open Costco positions in O'Fallon, MO. Current pay ranges from $16 to $40 per hour. Top hiring areas include Warehouse, Part Time and Grocery. New roles are posted daily — listings on this page are verified and updated regularly.
Costco
Flexible Part-Time:Warehouse Associate-O'fallon
O'Fallon, MO
$21 - $27
Costco
Student Friendly:Delivery Driver(O'fallon)
O'Fallon, MO
$22 - $30
Costco
Evening/Weekend Morning Shift(O'fallon)
O'Fallon, MO
$20 - $24
Costco
O'fallon Part-Time Opening:Security
O'Fallon, MO
$19 - $26
Costco
Office Assistant(Part-Time)-O'fallon
O'Fallon, MO
$20 - $25
Costco
Part-Time Job at Costco:Night Shift
O'Fallon, MO
$20 - $24
Costco
O'fallon Part-Time Opening:Food & Bakery
O'Fallon, MO
$19 - $26
Costco
Part-Time Employment Opportunities in O'fallon
O'Fallon, MO
$18 - $28
Costco
Join Costco:Part-Time Loss Prevention Associate(O'fallon)
O'Fallon, MO
$16 - $22
Costco
Just Posted:Part-Time Optical Associate(O'fallon)
O'Fallon, MO
$18 - $26
Costco
Just Posted:Loss Prevention Clerk in O'fallon | Hiring
O'Fallon, MO
$19 - $26
Costco
Careers Needed-O'fallon Area | Hiring
O'Fallon, MO
$20 - $29
Costco Jobs in O'Fallon — FAQ
How many Costco jobs are available in O'Fallon, MO right now?
There are currently 70+ open Costco positions in O'Fallon, MO. These include warehouse associates, delivery drivers, fulfillment center workers, sortation center staff, and management roles. New jobs are added daily.
How much does Costco pay in O'Fallon?
Costco pay in O'Fallon varies by role: Warehouse associates earn $15–$22/hr, delivery drivers $18–$25/hr, CDL truck drivers $25–$35/hr, and area managers $50K–$90K+/year. Night and weekend shifts include $0.50–$3.00/hr extra.
Does Costco hire with no experience in O'Fallon?
Yes. Most Costco warehouse, fulfillment center, and sortation center positions in O'Fallon require no prior experience. Costco provides paid training for new hires. Delivery driver positions require a valid driver's license but no commercial license (CDL) for most routes.
What are Costco's shifts and hours in O'Fallon?
Costco offers multiple shift options in O'Fallon: day shift (6 AM–4:30 PM), evening/twilight shift (1 PM–11:30 PM), night/overnight shift (6 PM–6 AM), and weekend-only schedules (Fri–Sun or Sat–Mon). Part-time shifts of 4–5 hours are also available. Overnight and weekend shifts pay extra shift differentials.
What benefits does Costco offer employees in O'Fallon?
Costco employees in O'Fallon receive benefits starting Day 1, including: health, dental, and vision insurance; 401(k) with company match; paid time off; up to 20 weeks paid parental leave; free career training through Career Choice program (covers tuition up to $5,250/year); employee discount; and weekly pay.
How much is Costco take-home pay after taxes in O'Fallon?
Your Costco take-home pay in O'Fallon depends on your hourly rate, hours worked, and state tax rate. For example, a warehouse worker earning $18/hr in a no-tax state like Texas takes home about $614/week, while in California it's closer to $548/week after state tax.
Is Costco hiring immediately in O'Fallon?
Yes, many Costco positions in O'Fallon are hiring immediately with start dates within 1–2 weeks of applying. Some fulfillment center and delivery station roles offer same-week start dates. Browse the 70+ listings above and apply directly.
Last updated: September 15, 2026