Characterization Engineer for MV

onsemi; München; On-site; EUR 65,000 - 90,000; Full time

Job summary

onsemi is seeking a skilled engineer to support MV SiC power device characterization through DC electrical measurements and application-relevant testing. You will apply semiconductor physics and Python-based test automation to understand device behavior and provide data to development teams.

You will perform DC/static and dynamic tests, develop measurement methods, and analyze data to derive clear conclusions for reliability, modeling, and applications, while ensuring reproducible test

Qualifications

• Bachelor’s or Master’s degree in Electrical Engineering or related field.
• Knowledge in high voltage standards and testing above 1500 V DC.
• Experience with Python for data analysis, visualization, or automation.
• Hands-on characterization of semiconductor devices and DC/pulse measurements.

Responsibilities

• Perform DC/static and dynamic characterization of SiC devices (I-V, RDS(on), VTH, leakage).
• Execute application-relevant characterization to evaluate switching performance and robustness.
• Develop/test methods and measurement set-ups for SiC technologies.
• Use Python for data processing, visualization, and parameter extraction.
• Ensure measurement quality, repeatability, and thorough documentation.

Skills

Python for data analysis

Measurement automation

High voltage testing

Education

Bachelor’s or Master’s degree in Electrical Engineering

Tools

Python

DC measurement setup

Job description

Job Summary

Support the characterization of MV SiC power devices through

Job Description

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.

Responsibilities

• 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.

Qualifications

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.

About Us

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

About The Team

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.