EasyCareers Job Posting: Lake St. Louis Part-Time:USPS Postal Support Employee(PSE) at United States Postal Service. This is a Part Time role in  Lake St. Louis,  MO. Salary: $20 - $23.

Lake St. Louis Part-Time:USPS Postal Support Employee(PSE)

Posted on July 29, 2026

Lake St. Louis, MO Part Time $20 - $23

Part-Time Work in Lake St. Louis

Key Part-Time Information

  • Based in: Lake St. Louis, MO (a central Lake St. Louis location)
  • Part-Time Job in Lake St. Louis: USPS Postal Support Employee (PSE)
  • Employer: United States Postal Service (Hiring for part-time roles in Lake St. Louis)
  • This part-time role in Lake St. Louis is an excellent opportunity for professionals skilled in relevant skills.
  • Our United States Postal Service part-time team in Lake St. Louis, MO is growing.
  • Benefit from working part-time in Lake St. Louis, a key hub for the Government And Retail industry.

Compensation & Benefits

  • Part-Time Salary: $20-$23/Hour (approx. $26k/Year)
  • Benefits: Steady supplemental income with predictable weekly hours.
  • A supportive local team and part-time friendly culture in Lake St. Louis.

Position Scope

  • Core objectives involve your professional skills in a part-time capacity in Government And Retail.


Core Operations & Data Accuracy

The Postal Support Employee (PSE) is a versatile, vital role within the USPS network, acting as the bridge between raw logistics and customer-facing retail. PSEs ensure that every piece of mail is accurately tracked and routed.


Key Duties Include:

  1. Operating advanced barcode sorting machines and automated dispatch systems.
  2. Distributing incoming mail into precise carrier routes inside the local station.
  3. Providing exceptional retail service at the front counter, selling money orders, and assisting customers with passports.
  4. Resolving complex zip code routing errors.

This role offers varied tasks, a climate-controlled environment, and a highly structured path to becoming a Career Postal Clerk.