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Sr. Staff GaN Device Design Engineer

ALPHA & OMEGA SEMICONDUCTOR

Sunnyvale, CA · Posted August 25, 2026

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About the job

At Alpha and Omega Semiconductor (AOS), we design, develop and globally supply a broad range of power semiconductors, including a wide portfolio of Power MOSFET, IGBT, IPM, TVS, GaN/SiC, Power IC and Digital Power products. You will find our products in everyday applications including personal computers, graphic cards, gaming consoles, TVs, home appliances, smart phones, power tools, and more! At the center of our innovation is our people who bring passion, talent, and a collaborative atmosphere to our growing company. We offer an impressive benefit package and career development opportunities. If you are ready to take the next step in your career working with a team of passionate and talented people, then take a look at the job opportunity below to POWER your career!

Primary Job Duties:

Design GaN HEMT transistors for power conversion applications

Perform analytical analysis of designs through TCAD or other methods as needed

Work with foundries to evaluate, design, and qualify products meeting yield, performance, and quality metrics

Direct and perform layouts and T/O procedures

Characterize and benchmark designs with competitors

Analyze electrical characterization data with statistical software, write reports, and present results

Work closely with the product engineering teams to define test, reliability, and qualification requirements

Qualifications:

MS degree in Electrical Engineer required, PhD preferred

3+ years GaN design experience

Strong knowledgeable in industry qualification standards such as JEDEC, AEC-Q101, and AQG 324

Hands-on experience in device layout, testing, and fabrication methods

Thorough understanding of high voltage GaN HEMT physics and layout techniques

Understand characterization methods of HV GaN devices (switching, dynamic-Ron, etc.)

Excellent written reporting and presentation skills

Alpha and Omega Semiconductor, Inc is committed to diversity in our workplace. Qualified applicants will receive consideration for employment without regard to, and will not be discriminated against based on race, age, color, ethnicity, marital status, sex, religion, national origin, sexual orientation, gender, gender identity, disability, protected veteran status or any other category protected by federal, state or local law.