CareerWall Job Posting: Part-Time Job in St. Charles:USPS Postal Support Employee(PSE) at United States Postal Service. This is a Part Time role in St. Charles, MO. Salary: $22 - $25.

Part-Time Job in St. Charles:USPS Postal Support Employee(PSE)

Posted on April 08, 2026

St. Charles, MO Part Time $22 - $25

Part-Time Role Based in St. Charles

Part-Time Job in St. Charles: USPS Postal Support Employee (PSE) Hiring Organization: United States Postal Service Based in: St. Charles, MO (a key business district)

Part-Time Salary: $22-$25/Hour (approx. $29.1k/Year) Benefits: A competitive part-time compensation package. Excellent work-life balance for part-time staff in St. Charles.

Day-to-Day

Apply your your professional skills skills in a flexible part-time role at our St. Charles location.

  • This part-time role in St. Charles is an excellent opportunity for professionals skilled in relevant skills.
  • Our United States Postal Service part-time team in St. Charles, MO is growing.
  • Benefit from working part-time in St. Charles, a key hub for the Government And Retail industry.


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.