Process Engineer & Process Technician Vacancies

OPTIM Wafer Services: We are an innovative SME, specialising in the circular economy applied to microelectronics. We offer advanced recycling solutions for silicon wafers from industrial processes. Our goal: to reduce the sector's environmental footprint while guaranteeing performance that meets the requirements of the semiconductor industry.

To apply for either position, please send your CV and letter of application to

Ms. Christine Di-Meglio – Human Resource Manager​.

Email​: CDi-Meglio@OptimWS.com Telephone: +33 442 126 155

Process Engineer Job Posting: A Silicon Wafer Recycling Process Engineer (M/F) is needed for a full-time, permanent position. The position is based in Gréasque, Bouches-du-Rhône

Your responsibilities Within the R&D Production Support team, you will be involved in the development and optimisation of silicon wafer recycling processes:

• Monitor the performance of the production equipment on-site
• Develop and optimise the cleaning, polishing (CMP), and re-qualification processes for wafers
• Participate in the industrialisation of processes (transfer from R&D to production)
• Analyse surface defects (particles, roughness, contamination) using optical and chemical characterisation techniques
• Implement quality control protocols
• Collaborate with customer teams and industrial partners

Required profile

• Engineering degree or PhD or equivalent in materials, microelectronics, process chemistry, or a related field
• Experience in clean room environments, silicon production processes and equipment, or surface treatment
• Knowledge of solution chemistry (acids, bases, solvents) and particulate contamination
• Proficiency in Characterisation techniques (optics, profilometry, microscopy, etc.)

Sensitivity to environmental and industrial issues • Analytical and synthesis skills, autonomy, ability to work in a team.

Desired skills

• Experience in recycling
• Knowledge of quality and environmental standards (ISO, etc.)
• Proficiency in Excel
• Fluency in English is essential
• Proficiency in data analysis and processing
• Basic knowledge of industrial wastewater treatment.

Process Technician Job Posting: A Silicon Wafer Recycling Process Technician (M/F) for a full-time permanent contract.

Your responsibilities Within the R&D Production Support team, you will be involved in the development and optimisation of silicon wafer recycling processes:

• Under the supervision of the department manager, Ensure daily monitoring of process performance and intervene quickly in case of deviations
• Implement quality control protocols adapted to microelectronic requirements
• Participate in the optimisation of cleaning, polishing (CMP), and re-qualification processes for wafers
• Participate in the industrialisation of processes (transfer from R&D to production)
• Collaborate with other departments (maintenance, production, quality)
• Regularly track your achievements (reporting)

Required profile

• Diploma in physical measurement, process chemistry, materials science, or equivalent field
• Experience in clean room environments, silicon processes or surface treatment, and production equipment (polishing machines, cleaning hoods)
• Knowledge of solution chemistry (acids, bases, solvents) and particulate contamination
• Proficiency in characterisation techniques (optics, profilometry, microscopy, etc.)

Awareness of environmental and industrial issues • Analytical and problem-solving skills • Autonomy, the ability to work in a team

Desired skills

• Experience in recycling
• Proficiency in Excel
• Fluency in written English is essential
• Knowledge of quality and environmental standards (ISO, etc.)