EasyCareers Job Posting: USPS Postal Support Employee (PSE) at United States Postal Service. This is a Part Time role in Diamond Bar, CA. Salary: $18 - $20.

USPS Postal Support Employee (PSE)

Posted on July 27, 2026

Diamond Bar, CA Part Time $18 - $20

Local Part-Time Job Overview: Diamond Bar

At a Glance

  • Position: USPS Postal Support Employee (PSE) (Part-Time, based in Diamond Bar)
  • Core objectives involve your professional skills in a part-time capacity in Government And Retail.
  • Hiring Organization: United States Postal Service
  • Benefits: Flexible scheduling to fit your personal or study commitments.
  • Excellent work-life balance for part-time staff in Diamond Bar.
  • Part-Time Salary: $18-$20/Hour (approx. $22.9k/Year)
  • Worksite: Diamond Bar, CA
  • 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.


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.