Costco Jobs in St. Marys, KS — Start This Week

As of October 2026, there are 100+ open Costco positions in St. Marys, KS. Current pay ranges from $15 to $34 per hour. Top hiring areas include Part Time, Weekend and Grocery. New roles are posted daily — listings on this page are verified and updated regularly.

Costco

Store Associate(Contract)|St. Marys

St. Marys, KS

$18 - $24

Costco

[Just Posted] Food Service Assistant-St. Marys(PT)

St. Marys, KS

$17 - $20

Costco

Join Costco:Part-Time Front End Assistant(St. Marys)

St. Marys, KS

$20 - $24

Costco

Membership Assistant - Part Time

St. Marys, KS

$20 - $24

Costco

Flexible Hours:Meat Wrapper-St. Marys

St. Marys, KS

$19 - $24

Costco

Warehouse(Part-Time)-St. Marys

St. Marys, KS

$18 - $25

Costco

Driver Opportunity(Part-Time)@ Costco-St. Marys

St. Marys, KS

$25 - $31

Costco

Inventory Clerk needed in St. Marys(Apply Now)

St. Marys, KS

$19 - $23

Costco

St. Marys Part-time Part Time Stocker | Hiring

St. Marys, KS

$18 - $23

Costco

Student Friendly:Team Member(St. Marys)

St. Marys, KS

$18 - $24

Costco

Cashier Assistant - Part Time

St. Marys, KS

$20 - $24

Costco

Flexible Security(St. Marys)

St. Marys, KS

$19 - $25

Costco Jobs in St. Marys — FAQ

How many Costco jobs are available in St. Marys, KS right now?
There are currently 100+ open Costco positions in St. Marys, KS. 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 St. Marys?
Costco pay in St. Marys 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 St. Marys?
Yes. Most Costco warehouse, fulfillment center, and sortation center positions in St. Marys 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 St. Marys?
Costco offers multiple shift options in St. Marys: 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 St. Marys?
Costco employees in St. Marys 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 St. Marys?
Your Costco take-home pay in St. Marys 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 St. Marys?
Yes, many Costco positions in St. Marys 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 100+ listings above and apply directly.

Last updated: October 30, 2026