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Senior Diffusion Engineer

Company

Onsemi

Location

Hopewell Junction, New York

Posted

June 12, 2026

Position Overview

onsemi is seeking a Sr. Diffusion Engineer. You will develop and support the manufacturing of 300mm silicon wafers used for Automotive and Consumer applications throughout the world. You will also provide process engineering support for additional process areas. In this team-based environment, you will work closely with the integration, process, and equipment teams to deliver robust, high-quality products to our customers.

  • Own critical Furnace processes and associated health of ASM/TEL/Bruce equipment in a fast-paced, 24/7 manufacturing environment. 
  •  Apply technical skills to implement equipment and process improvements that increase product performance, reduce cost, and increase throughput and yield. 
  •  Design and document experiments utilizing engineering methodology to improve yield, cost, and throughput. 
  •  Resolve complex, time-sensitive technical problems to maintain production or development schedules.
  •  As a Furnace Engineer, you wi...
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