EasyCareers Job Posting: Part-Time Job St. Louis at United States Postal Service | Part at United States Postal Service. This is a Part Time role in St. Louis, MO. Salary: $23 - $26.

Part-Time Job St. Louis at United States Postal Service | Part

Posted on May 03, 2026

St. Louis, MO Part Time $23 - $26

Part-Time Job Highlights – St. Louis

Key Part-Time Information

  • Part-Time Job in St. Louis: USPS Postal Support Employee (PSE)
  • Based in: St. Louis, MO (a vibrant local hub)
  • Excellent work-life balance for part-time staff in St. Louis.
  • This part-time position centers on your professional skills within the Government And Retail space in St. Louis.
  • Pay: $23-$26/Hour (approx. $29.9k/Year)
  • Hiring Organization: United States Postal Service
  • Benefits: Steady supplemental income with predictable weekly hours.
  • This part-time role in St. Louis is an excellent opportunity for professionals skilled in relevant skills.
  • Our United States Postal Service part-time team in St. Louis, MO is growing.
  • Benefit from working part-time in St. Louis, 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.