26-00054J Mechanical Engineer III

Mechanical Engineer III – Industrial Automation & Prototype Development

Location: Merrifield, VA (Onsite)

Design. Build. Solve.

Do you enjoy taking an idea from a sketch to a working prototype? Are you the engineer others rely on when complex equipment needs a practical solution?

Join our team supporting the U.S. Postal Service Engineering Headquarters, where you'll help improve one of the largest automated package sorting networks in the country. As a Mechanical Engineer III, you'll design, prototype, troubleshoot, and modernize the equipment that keeps millions of packages moving every day.

This is more than a design role—you'll spend time in the engineering lab, machine shop, and field turning concepts into real-world solutions.

What You'll Do

As part of the Package Sorting Technology Group, you'll:

• Design, fabricate, machine, weld, and assemble mechanical and electri...