Characterization Engineer for MV in Aschheim

Job Summary:

Support the characterization of MV SiC power devices through DC electrical measurements and application-relevant testing, including DPT, SCWT, and switching characterization. Apply semiconductor device physics and Python-based test automation/data analysis to understand device behavior and provide characterization data supporting technology development, modeling, reliability, and applications.

Performance Objectives:

• Perform DC/static and dynamic characterization of SiC power devices, including I-V, RDS(on), VTH, leakage, DPT and SCWT.
• Develop strong understanding of SiC device physics and correlate device-level behavior with application-relevant performance.
• Support test setup development, measurement automation, and data analysis using Python.
• Analyze characterization data, identify trends/anomalies, and provide clear technical conclusions to technology, modeling, reliability, and application teams.
• Ensure high-quality, reproducible measurements and proper documentation of test conditions, methods, and results.
• Contribute to the development and improvement of characterization methodologies and laboratory capabilities for current and future SiC technologies.

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

We are committed to sourcing, attracting, and hiring high-performance innovators, while providing all candidates a positive recruitment experience that builds our brand as a great place to work.

Requirements:

• Bachelor's or Master's degree in Electrical Engineering, Electronics, Semiconductor Physics, Applied Physics, or a related technical field.
• Knowledge in high voltage standards and background in testing above 1500 V DC.
• Good understanding of semiconductor device physics, preferably including power semiconductor devices and SiC MOSFETs.
• Basic knowledge or hands‑on experience with electrical device characterization, DC measurements, and/or power electronics testing.
• Familiarity with dynamic/application-level testing, such as DPT, SCWT, or switching characterization, is an advantage.
• Experience with Python for data analysis, visualization, measurement automation, or scripting.
• Ability to analyze measurement data, identify trends and anomalies, and draw clear technical conclusions.
• Hands‑on, structured, and analytical working approach with a strong focus on measurement quality and reproducibility.
• Good communication skills and ability to collaborate effectively within cross‑functional and international engineering teams.

onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a continued focus on the automotive and industrial end-markets, onsemi is accelerating change and driving disruptive innovation towards a sustainable ecosystem in high-growth megatrends such as vehicle electrification, advanced safety, alternative energy, and factory automation. 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. Today, the industrial and automotive end-markets are responsible for two-thirds of global greenhouse gas emissions, providing an immense opportunity for onsemi to do its part in achieving a net-zero economy with its intelligent power and sensing technologies. Climate change presents not only a risk to the environment, but also opportunities for innovative business solutions, and onsemi is committed to applying its research and design expertise and adapting its own operations to achieve net-zero emissions by 2040.

• Perform DC/static and dynamic electrical characterization of SiC MOSFETs, including I-V, RDS(on), VTH, leakage, breakdown, DPT and SCWT.
• Execute application-relevant characterization to evaluate switching performance, device robustness, and key electrical parameters.
• Develop and maintain test methods, measurement setups, and characterization procedures for current and future SiC technologies.
• Use Python for measurement automation, data processing, visualization, and parameter extraction.
• Analyze results based on semiconductor device physics and correlate electrical behavior with device design and application performance.
• Ensure measurement accuracy, repeatability, data quality, and proper documentation of characterization results.
• Collaborate with technology development, modeling, reliability, applications, and product engineering teams to support development milestones and technical investigations.

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