Jobs and Careers
ON

Process Engineer - Wet Cleans

onsemi
United Statesfull_timeVerifiedPosted 16 Jan 2026

About the role

onsemi is seeking a highly motivated individual to join our Process Diffusion Process Engineering group in Gresham, OR.  An Engineer in this position will work with other Engineers and Technicians in a fast-paced Silicon wafer fab production and technology development environment.  Primary technology nodes range from sub-0.18um to 0.5um.  Group responsibilities include Yield Enhancement (both wafer level and die level), Technology Transfers, New Product Introduction, and other production sustaining/optimization activities.  This position will advance your Semiconductor device knowledge across the entire Silicon manufacturing chain (from bare wafers to finished goods), with a significant focus on fab manufacturability.  Communication skills will be important, since this position regularly interfaces with in-house Fab Process Engineering, Technology Development, Failure Analysis, Design/Layout, wafer probe/test, in-line defect control, Quality, and Business Unit part owners and managers. 

  • Understand all processes and procedures in the WET Cleans area
  • Participate in the planning and execution of experiments for new technologies and processes
  • Drive activities such as yield improvement, throughput optimization, and cost reduction
  • Perform advanced data analysis
  • Understand and apply SPC principles
  • Respond in an appropriate and timely manner to out-of-control process conditions
  • Manage the disposition of non-conforming material
  • Prioritize production support and other responsibilities
  • Generate written process instruction specifications
  • Communicate established processing procedures to Production Operators and Process Technicians
  • Contribute to factory environment responsibilities by supporting Operators, Technicians and Engineers

Education/Experience:

  • Bachelor’s or Master's degree in Engineering, Material Science, Physics, or a related degree
  • 10+ years of direct wet clean work experience in the semiconductor industry preferred

Skills:

  • Direct experience with wet clean processes
  • Fundamental understanding of semiconductor device physics
  • Demonstrated ability to apply and practice SPC and DOE methodology
  • Demonstrated experience with continuous fab improvement in yield, throughput, and cost reduction, preferably in a lean manufacturing environment
  • Fundamental understanding of standard metrology, inspection, and failure analysis methods and their applications
  • Advanced data analysis skills. Ability to quickly learn and apply various software applications required
  • Energetic, self-motivated, and results-oriented attitude
  • Articulate written and verbal communication skills
  • Demonstrated track record of being able to work well in a team environment, as well as the drive and desire to provide hands-on support for the site’s Operators, Technicians, and Engineers when needed

onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and leads the way in creating a safer, cleaner, and smarter world.

More details about our company benefits can be found here:

https://www.onsemi.com/careers/career-benefits

Apply for this role

Generate a tailored application kit with a matched cover letter, interview prep, and CV highlights — in under 60 seconds.

Apply Now →Generate Application Kit

Free account required — sign up in 30s

Company

onsemi

View company profile →