Process Methods Engineer – Optical Manufacturing F/H

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 150 employees, including 35 PhDs. 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

Joining this position means having a concrete impact on industrial performance and evolving in a high-technology environment that is demanding yet stimulating.

You will combine technical expertise, cross-functional collaboration, and a practical mindset.

Your Mission

Reporting to the Methods Manager, you will be responsible for ensuring the technology transfer of a subsystem of our Optical Ground Stations (OGS) from its original site to full integration within our industrial facilities.

Concretely, you will be involved throughout the entire cycle:

• Evaluate and characterize processes (manufacturing and associated metrology), equipment, workflows, and existing constraints.

• Capitalize and structure the industrial documentation (procedures, equipment, safety, maintenance, etc.) for integration into our tools (ERP, DMS, etc.).

• Lead the installation, qualification, and monitoring of equipment and processes.

• Prepare documentation and training for the teams.

• Support production ramp-up and serial life activities.

• Work with a German-speaking partner; travel within Europe expected.

Your Daily Work

You will collaborate with all internal teams — Methods, Production, Quality, Supply Chain, and Technical — to secure processes, solve bottlenecks, and ensure industrial performance.

Your rigor, organizational skills, and ability to unite others will be essential to drive projects forward in a demanding environment.

Curious and proactive, you enjoy understanding processes in depth and identifying concrete levers for improvement.

Your interpersonal skills and pedagogical approach will enable you to support teams in adopting new tools and methods.

Profile required

Your Profile

• Engineering degree (Master’s level) in process engineering, mechanics, optics, or materials.

• Minimum of 5 years of experience in an industrial environment, ideally in materials or microtechnology.

• Experience in micro-polishing and good knowledge of optical manufacturing and metrology processes (precision machining, surface treatment, etc.).

• Proficient in Methods tools and ERP systems (BOM, routing, procedures).

• Proficient with office software (Microsoft Office suite).

• Fluent in English; German is an asset.

• Knowledge of optics or Python would be a plus.

Why Join Cailabs?
By joining Cailabs, you will find:

• The opportunity to take part in an incredible human adventure, working with colleagues who share a strong team spirit based on challenge, intellectual stimulation, and responsiveness.
• The chance to join a dynamic, human-sized company, combining agility with the resources to achieve its ambitions.
• A company at the cutting edge of technology, covering the entire process from prototype development to industrialization.

And also:
Opportunities for team bonding and social events (annual seminar, meals, team games, sports activities, etc.).

• 100% company-covered health insurance.
• A bonus system rewarding both collective and individual performance.

Required languages

• German - Level advanced
• English - Level advanced

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