EasyCareers Job Posting: Part-Time Job St. Charles at United States Postal Service | Part at United States Postal Service. This is a Part Time role in St. Charles, MO. Salary: $19 - $21.

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

Posted on May 22, 2026

St. Charles, MO Part Time $19 - $21

Part-Time Work in St. Charles

Fast Facts

  • This part-time position centers on your professional skills within the Government And Logistics space in St. Charles.
  • Hiring Organization: United States Postal Service
  • Benefits: Steady supplemental income with predictable weekly hours.
  • Excellent work-life balance for part-time staff in St. Charles.
  • Part-Time Job in St. Charles: USPS Mail Handler Assistant
  • Based in: St. Charles, MO (our main St. Charles branch)
  • Pay: $19-$21/Hour (approx. $24k/Year)
  • 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 Logistics industry.


Behind the Scenes of the Supply Chain

Before the mail ever reaches a delivery truck, it must be processed at lightning speed in our massive sorting facilities. The Mail Handler Assistant (MHA) is the physically demanding, high-energy engine of the USPS processing plant.

  • The Work: You will load, unload, and move bulk mail and empty equipment. You will physically toss sacks, push heavy wire cages, and operate mechanized sorting equipment.
  • The Environment: Fast-paced, loud, and industrial. This is not a desk job; it is a full-body workout.
  • The Future: MHAs are first in line to become Career Mail Handlers, unlocking federal pensions and lifelong healthcare security.

If you prefer the warehouse floor over driving a route, we need your strength today!