MOCVD Technician

As a MOCVD Technician , you will support the operation, maintenance, and reliability of epitaxy systems used in semiconductor manufacturing.

This is a hands-on technical role focused on maintaining complex gas, vacuum, and reactor systems that enable the production of high-performance semiconductor laser materials. You will work closely with engineering and production teams to ensure safe, stable, and efficient operation of critical manufacturing equipment.

Key Responsibilities

• Equipment Maintenance & Reliability

• Perform preventive and corrective maintenance on MOCVD reactors and associated infrastructure (gas supply, abatement, vacuum systems)

• Support maintenance of vacuum pumps and gas systems

• Troubleshooting & Repairs

• Troubleshoot mechanical, electrical, and process-related issues to ensure system uptime

• Replace and maintain components such as filters, piping, and gas handling systems

• Safety & Operations

• Safely handle and exchange pressurized gas cylinders, following strict safety protocols

• Monitoring & Process Stability

• Monitor and interpret system data and logs for fault diagnosis (e.g. SPC)

• Ensure equipment availability and process stability in a production environment

• Document maintenance and service activities in line with quality standards

• Testing & Systems Support

• Support the setup and maintenance of measurement and testing systems (e.g. wafer characterisation or similar diagnostic equipment)

• Work with control systems (PLC-based) to identify and resolve operational issues

Qualifications

• Completed technical training, apprenticeship, or equivalent in Mechatronics, Electronics, Automation, Industrial Mechanics, or a related field
• ~3+ years of hands-on technical experience (or strong apprenticeship background)
• Experience in semiconductor manufacturing, chemical processing, gas systems, vacuum systems, or similar industrial environments is a plus, but not required.

Skills & Other Requirements

• Understanding of basic physics and technical systems (pressure, gas flow, electrical fundamentals)
• Ability to read and interpret electrical schematics and technical diagrams
• Experience with maintenance and troubleshooting of industrial equipment
• Strong awareness of safety protocols, particularly in regulated or hazardous environments
• Ability to work in a cleanroom and safety-critical environment, including use of respiratory protection equipment (training provided)
• German working proficiency required and English language skills is a plus

Quality And Environmental Responsibilities Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.

Culture Commitment Ensure adherence to company’s values (ICARE) in all aspects of your position at II-VI:

Integrity – Create an Environment of Trust

Collaboration – Innovate Through the Sharing of Ideas

Accountability – Own the Process and the Outcome

Respect – Recognize the Value in Everyone

Enthusiasm – Find a Sense of Purpose in Work

We offer

• a dynamic, international environment,
• an appreciative, collegial corporate culture
• unique technical challenges for the products of the day after tomorrow
• above-average social benefits

About Us Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!

Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.