Polishing Specialist

Renaissance Fusion; Grenoble; On-site; EUR 32,000 - 52,000; Full time

Job summary

Renaissance Fusion, based in Fontaine (near Grenoble), seeks a polishing engineer/technician for a temporary autumn 2026 – February 2027 assignment. You will define technical polishing solutions, select appropriate polishing technologies, and commission and maintain the polishing system to meet surface roughness targets.

Ideal candidates hold an engineering degree in materials or equivalent technician experience, with 3+ years in at least two polishing methods, and can work autonomously while

Qualifications

• Engineering degree in material engineering or equivalent technician experience.
• 3+ years of professional experience in at least two polishing techniques (mechanical, electropolishing, laser).
• Ability to work independently and in a team, with strong problem-solving and attention to detail.

Responsibilities

• Define technical solutions to meet process engineers’ specifications.
• Select polishing technologies to achieve target surface roughness.
• Commission and maintain the polishing system.
• Optimize the polishing process to reach required roughness and yield.
• System troubleshooting and issue resolution.
• Collaborate with process engineer responsible for physical vapor deposition.
• Set target surface roughness and other specs.
• Analyze data and write reports.

Skills

Mechanical polishing

Electropolishing

Laser polishing

Education

Engineering degree in material engineering

Experienced technician

Job description

Renaissance Fusion is the first Magnetic Confinement Fusion company in the EU. We are building the first net-energy-producing stellarator by combining proprietary innovations in modular design, the manufacturing of next-generation High-Temperature Superconducting (HTS) magnets, and liquid walls. We are forming a team of the brightest, most driven scientists and engineers to realize and commercialize our non-fusion HTS magnets and integrated fusion solutions.

Contract

• Duration : Autumn 2026 – February 2027
• Based in Fontaine (38)
• Temporary employment

Responsibilities

• Define technical solutions to meet the process engineers’ specifications.
• Select polishing technologies to reach the required surface roughness.
• Commission and maintain the polishing system.
• Optimize the polishing process to reach the required surface roughness and process yield.
• System troubleshooting
• Work closely with the process engineer in charge of physical vapor deposition.
• Set target surface roughness and other specifications.
• Analyze data and write reports

Qualifications (Must-haves)

• Engineering degree in material engineering OR experienced technician
• 3+ years of professional experience in at least 2 of the following polishing techniques: mechanical polishing, electropolishing, laser polishing.
• Organizational and problem-solving skills, attention to detail and willingness to learn.
• Ability to work independently as well as in a team.

Languages

• Fluent in English OR fluent in French with knowledge of technical English

Other desirable qualifications

• Experience in polishing meter-wide surfaces.
• Experience operating high-power lasers.
• Experience in writing specifications and standard operation documents.
• Written and oral communication skills. Ability to explain complicated concepts in a clear, concise manner.
• Ability and drive to engage with a team of scientists and engineers, understand complex descriptions and needs, and ability to translate them into technical requirements and “on time, on budget, on specs” designs.
• Experience in polishing substrates for the semiconductor or superconductor industry.
• Experience in polishing mirrors for telescopes or other cutting-edge scientific instruments.
• Knowledge of Access databases
• Knowledge of image processing

At Renaissance Fusion, we value diversity and are an equal opportunity employer. We consider all qualified applicants equally for employment. We do not discriminate on the basis of origin; gender; morals, sexual orientation; sexual identity; age; marital status; pregnancy; genetic characteristics; actual or assumed membership or non-membership of an ethnic group, nation or race; political opinions; trade union or mutualist activities; religious beliefs; physical appearance; family name; place of residence; state of health; disability.