Jobs and Careers
ON

Senior Principal Design Engineer

onsemi
Scottsdale, United Statesfull_timeVerifiedPosted 23 May 2025

About the role

onsemi is seeking a highly experienced and innovative Senior Principal Design Engineer to lead the development of Gallium Nitride (GaN) High Electron Mobility Transistor (HEMT) power switching devices. This role supports cutting-edge applications across industrial, cloud/data center, and automotive sectors.

Key Responsibilities

  • Define IC architecture and design strategies aligned with market application requirements, balancing implementation risk, customer timelines, and profitability.
  • Serve as the lead IC designer for both integrated and discrete GaN products.
  • Develop and maintain target datasheet for new products.
  • Perform device and process simulations and conduct comprehensive electrical characterization.
  • Evaluate product suitability for target applications and ensure performance benchmarks are met.
  • Design test plan for power GaN HEMT devices.
  • Troubleshoot and resolve device-related issues with innovative solutions.
  • Assess and enhance the reliability and robustness of GaN HEMT devices.
  • Collaborate with the Packaging team to develop advanced packaging solutions.
  • Foster strong cross-functional relationships and collaborate across engineering, manufacturing, and business units

Qualifications

  • Deep expertise in GaN HEMT device physics, structure, and electrical behavior.
  • Proven experience in fab processes and packaging for power semiconductor technologies.
  • Proficiency in TCAD simulations and layout tools.
  • Strong background in electrical characterization and testing of power semiconductor devices.
  • Understanding of degradation mechanisms and failure analysis in GaN HEMTs.
  • Familiarity with accelerated reliability testing methodologies.
  • 20+ years of experience in power semiconductor design, including process integration and device fabrication.
  • Exceptional analytical and problem-solving skills.
  • Ability to leverage best practices across technologies and projects.
  • Excellent communication skills—verbal, written, and interpersonal.
  • Comfortable working in multinational, cross-functional, and culturally diverse teams.
  • Highly self-motivated, accountable, and committed to continuous improvement.
  • Advanced degree (Master’s or PhD) in Electrical Engineering, Physics, Materials Science, or a related field. 

 

 

 

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 →