Optical Technician - Polishing F/H

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Published on 02/10/2026

  • Contract type:  Permanent contract

  • Work time:  Full time

  • Location Rennes

The company

Founded in 2013, Cailabs designs, manufactures, and develops innovative photonic solutions for the space, industry, telecommunications, and defense sectors. A global specialist in laser shaping, the company has accelerated its growth in the space field with turnkey optical ground stations that integrate atmospheric turbulence compensation technology. This makes it one of the first companies to harness very high data rates enabled by optics in a commercial ground station.

Cailabs currently has more than 200 employees, including 41PhDs. With 29 patent families filed, the company is one of the most innovative companies in France. It is headquartered in Rennes, with offices in Paris and Washington (USA).

Post description

Within the Operations department and reporting to the Workshop Manager, you will contribute to the manufacturing and inspection of high-precision optical components for innovative technology applications. You will actively participate in the development and industrialization of new manufacturing processes in a highly demanding technical environment. 

Your responsibilities 

 

  • Analyze and manufacture precision optical parts using a robotic micrometric manufacturing cell.
  • Manufacture optical components using high-precision production equipment.
  • Carry out the various steps required for the production and processing of parts.
  • Perform metrology checks and analyze the results obtained to ensure product conformity.
  • Participate in the adjustment, improvement and optimization of manufacturing processes.
  • Contribute to solving technical issues in collaboration with the Methods and R&D teams.
  • Ensure the quality, traceability and conformity of the operations performed.
  • Take part in the company’s innovation projects.

 

What you can expect 

  • Direct involvement in a strategic industrial development project.
  • The opportunity to acquire rare expertise in advanced optical manufacturing processes.
  • An innovative technological environment combining production, metrology and process development.
  • Close collaboration with the Operations, Methods and R&D teams.

Profile required

With a two-year higher education qualification in optics, physical measurements, mechanics or a related field, you enjoy precision work and demanding technical environments. Additional assets: 

 

  • You have at least two years of experience in optical manufacturing, micro-manufacturing or metrology.
  • Your rigor, attention to detail and patience.
  • Your ability to follow manufacturing procedures.
  • Your interest in high-precision work.
  • Your technical curiosity and ability to learn.
  • Your team spirit and autonomy.

 

A training period outside France will be planned when you join. 

Avantages

  • Opportunities to share and connect with others, including an annual seminar, meals, group games, sports activities and more.
  • Health insurance fully covered by the company.
  • A bonus system that rewards both collective and individual performance.
  • Joining Cailabs also means knowing that everything will be done to help you perform, improve and take on new challenges.

Réf: 133ad296-ac5e-435f-9888-6c903eebe456

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Optical Technician - Polishing F/H

Permanent contract
Full time
Rennes

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