Cleanroom Engineer

As a Cleanroom Engineer at C12, you will be responsible for the operation, maintenance, and continuous improvement of cleanroom equipment.

You will work hands‑on with several process systems, ensuring reliable wafer production while maintaining the highest standards of safety, quality, and uptime in a startup environment.

Key Responsibilities

• Take technical ownership of multiple cleanroom tools
• Perform regular performance checks, calibration, and preventive maintenance
• Troubleshoot and perform first‑line repairs
• Operate process tools to support wafer fabrication for R&D and early production
• Anticipate technical and operational risks; propose and implement mitigation actions
• Coordinate with equipment manufacturers, service engineers, and vendors for installations, upgrades, and major repairs
• Identify facility‑related bottlenecks (utilities, gases, vacuum, HVAC, etc.) and support continuous improvement initiatives
• Develop, implement, and maintain safety standards, SOPs, and best operational practices
• Interface efficiently with subcontractors and suppliers to sustain an uninterrupted fabrication process
• Contribute to cleanroom documentation, tool logs, spare parts management, and maintenance planning

Required Qualifications

• Bachelor’s or Master’s degree in Engineering, Physics, Materials Science, Micro/Nano‑fabrication, or a related field
• Hands‑on experience in a cleanroom environment (academic or industrial)
• Practical knowledge of lithography, thin‑film deposition (PVD, CVD, ALD), dry etching (RIE, ICP), and/or wet processing
• Experience with tool maintenance, troubleshooting, and vendor coordination
• Strong awareness of cleanroom safety and chemical handling
• Ability to work autonomously, prioritize tasks, and thrive in a startup environment
• Fluency in English (working proficiency required)

What We Offer

• €53,000 - €70,000 per year
• Stock options for every employee (BSPCE/ESOP)
• Two office spaces in the heart of Paris
• Sponsored trips to conferences worldwide
• Swile meal vouchers
• Vibrant office culture (team lunches, offsite events, Friday breakfasts)
• Mental health support through Moka Care
• Training budgets / Annual Learning & Development Allowance
• Sabbatical leave after 2 years

Applications from women are especially welcome.