MOCVD Technician

About the role

The MOCVD Technician will support operation, maintenance and reliability of epitaxy systems used in semiconductor manufacturing at Coherent's Zurich site. This hands‑on role ensures safe, stable and efficient operation of complex gas, vacuum and reactor equipment.

Key responsibilities

• Perform preventive and corrective maintenance on MOCVD reactors, gas supply, abatement and vacuum systems.
• Troubleshoot mechanical, electrical and process‑related issues to maximise equipment uptime.
• Handle pressurised gas cylinders safely and follow strict safety protocols.
• Monitor system data and logs for fault diagnosis and ensure process stability.
• Support setup and maintenance of measurement and testing equipment, including wafer characterisation tools.

Required profile

• Completed technical training, apprenticeship or equivalent in Mechatronics, Electronics, Automation, Industrial Mechanics or related field.
• Approximately 3+ years of hands‑on technical experience or a strong apprenticeship background.
• Ability to work in a cleanroom and safety‑critical environment, using respiratory protection equipment.
• German working proficiency required; English language skills a plus.

Required skills

• Maintenance and troubleshooting of vacuum pumps and gas handling systems.
• Reading and interpreting electrical schematics and technical diagrams.
• Working with PLC‑based control systems.
• Understanding of basic physics, pressure, gas flow and electrical fundamentals.