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Senior Quality Engineer 80 – 100% (f/m/d)

The opportunity 
 

Hitachi Energy is a global leader in power and renewable technologies that enable utility and industry customers to improve their performance while lowering environmental impact. CHSEM provides high‑power semiconductor devices to Hitachi Energy internal customers (e.g. HVDC, GPQSS) as well as to external customers.

The Senior Material Quality Engineer ensures the quality, robustness, and long‑term reliability of critical raw materials used in BiMOS semiconductor device production at the Lenzburg fabrication facility. Acting as a technical authority, the role independently manages complex material‑ and supplier‑related quality topics, contributes to supplier quality strategy, and supports both supplier and team capability development to enable stable and scalable operations.

How you’ll make an impact
 

  • Drive the material quality approach for critical raw materials used in BiMOS operations

  • Define and continuously improve CTQ concepts and control strategies

  • Lead complex material quality investigations related to deviations, yield, and reliability issues

  • Monitor & develop supplier performance and ensure effective implementation of corrective actions

  • Lead material qualification, requalification, and change management activities

  • Support production with technical expertise during production, troubleshooting, and ramp-up phases

  • Drive cross-functional improvement initiatives to enhance quality, reliability, and cost efficiency

  • Act as a technical reference, supporting or mentoring engineers and strengthening supplier and team capabilities
     

Your background
 

  • Bachelor’s or Master’s degree in Materials Science, Chemistry, Physics, or a related field

  • Minimum 5 years of experience in material quality, supplier quality, or semiconductor manufacturing

  • Certified auditor (VDA 6.3, ISO 19011, or equivalent)

  • Strong knowledge of material quality, process control, and risk management in a manufacturing environment

  • Proven ability to independently manage complex material and supplier quality issues

  • Experience with structured quality methods such as 8D, Six Sigma, or equivalent

More about us 

We offer you:

  • Extra days off between Christmas and New Year 

  • Subsidised meals at the locations with canteens

  • 50% discount on main courses at our FELFEL fridges

  • Discount on memberships at various fitness centres 

  • Discounts on various products and services

  • Attractive pension benefits with our company pension fund  

  • Diversity: Promotion of diversity and inclusion and cultural offers, credit cards, petrol, etc.) 

Location Lenzburg, Aargau, Switzerland
Job type Full time
Work arrangement On-Site
Experience Experienced
Job function Engineering & Science
Contract Regular
Publication date 2026-08-10
Reference number R0130057

About Hitachi Energy

We are a global leader in electrification, powering the electricity era to meet the energy demands of today, and the next 25 years. As the energy arm of Hitachi Group, over three billion people depend on our pioneering, mission-critical technologies to power their daily lives. 

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.