Photolithography Process Engineer 80 – 100% (f/m/d)

Hitachi; Lenzburg; On-site; CHF 120,000 - 180,000; Full time

Job summary

Hitachi Energy LTD is seeking a Photolithography Engineer in Lenzburg, Switzerland to develop and optimize semiconductor photolithography processes. You will work with advanced lithography equipment, drive process improvements, and collaborate with cross-functional teams to ensure high-quality production performance.

The role requires strong background in wafer photolithography, immersion lithography, data analysis, and programming, with fluency in English and German.

Qualifications

• Degree(s) in a relevant field with extensive industry experience or advanced degrees.
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Responsibilities

• Ensure processes meet production program and yield goals; address yield and rework issues.

Skills

Wafer photolithography

SPC/MES data

Immersion lithography

Data science

Programming

English & German

Cleanroom work

Education

Bachelor’s degree in related field

Master’s degree in related field

PhD in related field

Tools

SPC software

MES

Job description

Location:

Lenzburg, Aargau, Switzerland

Job ID:

R0140890

Date Posted:

2026-08-25

Company Name:

HITACHI ENERGY LTD

Profession (Job Category):

Engineering & Science

Job Schedule:

Full time

Remote:

No

Job Description:

The opportunity

Join a high performing photolithography team where your expertise truly makes an impact. As a Photolithography Engineer, you will be responsible for developing and optimizing photolithography processes used in semiconductor manufacturing. Your role will involve working with advanced lithography equipment, collaborating with cross-functional teams, and ensuring high-quality production standards. This is your opportunity to shape technical decisions, contribute to long term tool strategies, and drive meaningful improvements in stability, uptime, and process performance. Are you someone who takes ownership, thrives in a fast-paced environment, and enjoys making a real impact?

How you’ll make an impact

• Ensure processes meet the production program and yield goals and address any product yield and rework issues.
• Engage with equipment and material vendors to develop new solutions and improve existing processes, to ensure smooth functioning of the production line.
• Develop new techniques, modify existing designs, and coordinate process improvement projects.
• Analyze process data to identify trends, optimize performance, and troubleshoot issues (implement and regularly check SPC).
• Independent planning and Implementation of new machinery into the production line.
• Work closely with process integration, wet etch, diffusion, metals, dry etch, and implant teams to ensure seamless production.
• Supports some metrology tools i.e. to measure CD and Overlay.
• On-call duties on weekends and public holidays (as required from the production) with participation in the on-call meeting (before the on-call duty) agreed on his own responsibility with the other on-call service providers.

Your background

• Bachelor’s degree in a related field (e.g., Electrical, Mechanical, Chemical, Materials Science or Physics) with 5+ years of experience in industry or master’s degree with 3+ years of experience in industry or Ph.D. with industry experience
• Extensive experience in wafer photolithography operations especially in coating and exposure in Steppers, in a wafer manufacturing environment (thin-film-head, semiconductor wafer manufacturing)
• Familiarity with automated wafer factory software systems like SPC, MES and Experience with data extraction, manipulation, and analysis
• Strong understanding of optics and immersion lithography
• Proficiency in data science and programming is preferred
• Good English and German language skills
• Ability to work in a cleanroom environment

More about us

Our flexible working practices help you optimize personal and business performance while creating an environment where all employees can develop their skills and grow.

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.