Senior R&D Test Engineer – SiC/Si 80–100% (f/m/d)

The opportunity

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 world-wide. 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) tech-nologies.

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

How you’ll make an impact

Contribute to the development and qualification of next-generation Silicon Carbide (SiC) and Silicon (Si) semicon-ductor devices for power module applications

Collaborate closely with multidisciplinary teams across R&D Design, Process Development, and Product Engineer-ing 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 de-velopment 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 ca-pabilities

Enure compliance with safety, environmental, cleanliness, and laboratory operating standards in all testing activities

Your background

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

More about us

The opportunity to work on cutting-edge semiconductor technologies that enable the global energy transition

Collaboration with highly skilled experts in an international and innovative environment

Challenging projects with real impact on future power electronics solutions

Flexible working arrangements and attractive development opportunities within a global technology leader