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Device Engineer

AMI Semiconductor

Gresham, OR · Posted October 19, 2026

More in Oregon job market · Technology & Software · Engineering jobs

About the job

onsemi is seeking a highly motivated individual to join our Device Engineering / Yield Enhancement 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 build upon 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.

Responsibilities will include one or more of the following:

Yield enhancement for production products

New product introduction into the Fab

Scrap reduction and prevention.

Process improvements using existing and newly acquired process equipment, often working directly with Process Engineering

Minimize variation (lot to lot, wafer to wafer, product to product)

Lower cost

Improve throughput

Lower defectivity

Standardization / Best Known Methods

Analyze manufacturing and test data to improve product performance

Ensure all shipped material meets requirements

Present trends, KPIs, and process improvements to management team

Qualifications:

BS/MS or equivalent in Engineering, with BSEE/MSEE preferred. Will also consider Physics, Chemistry, Chemical Engineering, Materials Engineering, or a related technical field

Broad understanding of semiconductor devices, such as CMOS, DMOS, and Bipolars

5+ years of experience in semiconductor process technology and wafer fabrication

Problem-solving mindset

Comfortable using data analysis and statistics to reach conclusions

Concise and clear written and oral communication skills

Strong interpersonal skills

Desired:

Experience in one or more of the following engineering disciplines: Process/Device Integration, Circuit Design / Simulation, Test (parametric, circuit), Process Engineering

Experience with DOE and experiment analysis

10+ years of experience in semiconductor process technology and wafer fabrication

Ability to relate product circuit performance to semiconductor device parameters

Knowledge of post-fab product manufacturing (ex: assembly, and test)

Ability to debug issues at any point in a product manufacturing sequence

Hands-on knowledge of GDS layout viewing and editing

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