EasyCareers Job Posting: Part-Time USPS Postal Support Employee(PSE)(Diamond Bar) | Part at United States Postal Service. This is a Part Time role in Diamond Bar, CA. Salary: $20 - $23.

Part-Time USPS Postal Support Employee(PSE)(Diamond Bar) | Part

Posted on August 16, 2026

Diamond Bar, CA Part Time $20 - $23

Part-Time Opportunity in Diamond Bar, CA

Fast Facts

  • Hiring Organization: United States Postal Service
  • Location: Diamond Bar, CA
  • Part-Time Job in Diamond Bar: USPS Postal Support Employee (PSE)
  • This part-time role in Diamond Bar is an excellent opportunity for professionals skilled in relevant skills.
  • Our United States Postal Service part-time team in Diamond Bar, CA is growing.
  • Benefit from working part-time in Diamond Bar, a key hub for the Government And Retail industry.

Rewards

  • Compensation (Part-Time): $20-$23/Hour (approx. $26k/Year)
  • Benefits: Steady supplemental income with predictable weekly hours.
  • Stable part-time work with a friendly Diamond Bar team and clear expectations.

Day-to-Day

  • This part-time position centers on your professional skills within the Government And Retail space in Diamond Bar.


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.