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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.) 

Accessibility and reasonable accommodation

Qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a general inquiry form on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process.

This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response.

Use of Al and automated tools in recruitment

As part of our recruitment process, Hitachi Energy uses digital and automated tools, including Al-supported solutions, to assist with activities such as application screening, job matching, and interview scheduling. These tools are designed to support our recruiters and do not replace human decision-making. Candidate data is processed in accordance with applicable data protection and employment laws as well as Hitachi's Global Data Privacy Notice.

Background Screening and Security Checks

As part of the hiring process, Hitachi Energy conducts pre-employment background checks that may include verification of employment history, education, criminal records, and other relevant information, in accordance with applicable laws.

For certain roles—particularly those involving access to sensitive information, financial responsibilities, client data, regulated environments, or security-sensitive functions—additional or more comprehensive background or security screenings may be required. These may include, but are not limited to, enhanced criminal history checks, credit history reviews (where legally permissible), sanctions screening, or other due diligence measures aligned with the responsibilities of the position.

The scope and depth of any background or security review will be determined based on the nature of the role and business necessity, and will always be conducted in compliance with applicable federal, state, and local laws. Candidates will be notified and, where required, asked to provide consent prior to the initiation of any such checks.