Senior R&D Test Engineer – SiC​/Si –(f​/m​/d

Join our Product Evaluation & Qualification team at Hitachi Energy Semiconductors in Lenzburg, where we ensure the highest quality and reliability standards for next-generation semiconductor chips and power modules.

Our products play a critical role in enabling renewable energy, eMobility, traction, and industrial applications worldwide. As we continue to expand our testing capabilities, we are looking for a motivated and hands‑on Senior R&D Test Engineer to support the development and qualification of innovative Silicon Carbide (SiC) and Silicon (Si) technologies.

In this role, you will work at the interface of R&D, product engineering, and testing, helping bring advanced semiconductor technologies from development to industrialization.

• Contribute to the development and qualification of next‑generation Silicon Carbide (SiC) and Silicon (Si) semiconductor devices for power module applications
• Collaborate closely with multidisciplinary teams across R&D Design, Process Development, and Product Engineering to evaluate the performance and reliability of new technologies
• Plan, execute, and monitor electrical and reliability tests using advanced test equipment and methodologies
• Analyze test data, identify trends and root causes, and provide technical recommendations to support product development decisions
• Prepare and present test reports, communicating key findings and risks to project stakeholders
• Drive continuous improvement initiatives within the testing laboratory, enhancing efficiency, quality, and testing capabilities
• Ensure compliance with safety, environmental, cleanliness, and laboratory operating standards in all testing activities

• Master's degree or PhD in Electrical Engineering, Power Electronics, Semiconductor Engineering, or a related field
• Several years of experience in the semiconductor, power electronics, or related industry, ideally within electrical testing, validation, or reliability engineering
• Strong understanding of semiconductor devices, particularly Silicon Carbide (SiC) and/or Silicon (Si) technologies
• Experience with test systems, measurement equipment, and data analysis methodologies
• Programming or automation skills are highly desirable, preferably in Python, LabVIEW, or similar tools
• Experience with statistical data analysis and engineering software tools; CAD knowledge is considered a plus
• Strong analytical and problem‑solving skills, combined with a structured and collaborative working style
• Fluent in English;
  German is an advantage

We are a global leader in electrification, powering the electricity era to meet the energy demands of today, and the next 25 years.

With over a century of innovation, we are addressing the most urgent energy challenge of our time: driving the evolution of the world’s energy system to ensure abundant, secure, affordable, and sustainable power for today’s generation and the next.

With an unparalleled installed base in over 140 countries, we are the grid ecosystem partner across the utility, industry, data center, and transportation sectors.

Headquartered in Switzerland, we employ over 56,000 people in 60 countries and generate revenues of around $20 billion USD.

We welcome you to apply today.