
Location:
Lenzburg, Aargau, Switzerland
Job ID:
R0120193
Date Posted:
2026-02-26
Company Name:
HITACHI ENERGY LTD
Profession (Job Category):
Engineering & Science
Job Schedule:
Full time
Remote:
No
The opportunity
Are you passionate about driving innovation and ensuring maximum uptime of semiconductor production tools? As a Diffusion and Implant Maintenance Engineer/Technician, you play a vital role in ensuring the availability, reliability, and continuous improvement of our semiconductor production tool park. Your focus is on the corrective, preventive and predictive maintenance of diffusion and implant equipment, working cross-functionally to drive safety, productivity, and general tool and workflow optimizations across the production line.
How you’ll make an impact
Ensure maximum uptime of semiconductor production tools through proactive maintenance and troubleshooting of diffusion and implant equipment
Drive continuous improvement in equipment performance, applying workplace safety and efficiency practices aligned with 6S methodology
Collaborate closely with other maintenance, process, and production teams to achieve performance goals and optimize line efficiency
Participate in tool upgrades and modernization projects to enhance tool capability and reliability
Maintain accurate and detailed documentation of maintenance activities, equipment status, and system performance
Support root-cause analysis and problem resolution for technical issues within the team
Train and mentor colleagues in the areas of diffusion and implant, safety, and best maintenance practices
Promote a strong safety culture by ensuring compliance with all relevant regulations, procedures and documentations
Your background
Hands-on experience in maintenance of semiconductor production tools
Solid understanding of electronics, mechanics and pneumatics
Experience with diffusion systems (e.g. ASM, centrotherm ovens) as well as with ion implanters (AMAT, Nissin)
Familiarity with metrology tools for process control (e.g., Surfscan, Semilab WT-2000)
Additional training or expertise in vacuum systems or related technologies
Completed technical vocational training (e.g., Automation Technician, Electronics Technician, or similar field)
Willingness to work in shifts is a must
Strong team player with problem-solving mentality, organizational skills, and proficiency in English (German is a plus)
More about us
Hitachi Energy offers you interesting tasks in a highly motivated team and an open communication style. Through an individual and practice-oriented induction plan, we will support you to quickly gain professional confidence to be able to work independently with high level of personal responsibility.

Since its founding in 1910, Hitachi has responded to the expectations of society and its customers through technology and innovation. Our mission is to “Contribute to society through the development of superior, original technology and products.” Over the past 100+ years this commitment has led us to work towards creating a more sustainable society through our “Social Innovation Business”. We work to apply our expertise in information technology (IT), operational technology (OT), and a wide variety of products to advance social infrastructure systems and improve quality of life across the world.
Hitachi’s Social Innovation Business is centered around 5 growth sectors: Mobility, Smart Life, Industry, Energy, and IT. Globally, we have nearly 300,000 employees who are working to improve people’s quality of life and our customers’ social, environmental, and economic values to create a sustainable future. The challenges we face as a society are unprecedented, but so are the opportunities. Together, let’s start powering good.