Optical R&D Engineer W/M

I apply
Update on 08/03/2024
  • Contract type:  Permanent contract

  • Work time:  Full time

  • Location Rennes

Who are we ?

Founded in 2013, Cailabs is the global specialist in laser beam shaping, particularly through a unique and patented technology (MPLC), originating from scientific laboratories. The company designs, manufactures, and develops innovative photonic solutions for the aerospace, industrial (laser machining), telecommunications, and defense sectors.

Since 2020, Cailabs has experienced accelerated growth in the field of optical ground stations, enabling communication between satellites and Earth using lasers, and has now a central position in this market. Currently, one major area of activity for Cailabs is its optical ground stations TILBA-OGS, which incorporate Cailabs' technological core (MPLC) to facilitate ultra-high-speed communications despite atmospheric conditions.

Cailabs currently has over 90 employees, including 25 PhD holders. With 26 families of filed patents, the company is recognized as one of the most innovative SMEs in France.

Job description

Do you want to apply and enhance your optical skills through innovative technical projects in areas such as space laser communications?

Join the R&D department at Cailabs!

After an experience in the industry or academic research, come join a dynamic team of engineers and PhDs who share your enthusiasm for applying their skills to challenging technical endeavors. You will find collective inspiration and strong intellectual interest in your work. You will be immersed in a cutting-edge technology company, involved from prototype development to industrialization phases.


In this team, your main responsibilities are:

  • Lead the development of new optical systems & subsystems,
  • Design, develop, and test optical instruments,
  • Propose new system architectures according to client needs,
  • Integrate and interface various optical subsystems,
  • Drive the improvement of existing product performances.

Essential skills

Key points : 

  • You have prior experience in the development of optical technologies (internship, academic research/thesis included, industry). 
  • You have received training in optics and possess practical expertise in this field. You are comfortable with the design, assembly, and alignment of optical experiments in free space, as well as with the automated acquisition and processing of data using a programming language.
  • You are autonomous, capable of identifying problems and finding solutions, sometimes under time constraints.
  • You can effectively communicate and coordinate with individuals from other fields (mechanics, electronics). You are able to discuss your technical projects in everyday English with your team, both in writing and orally.

Plus points : 

  • Interest in integration and interfacing,
  • Ability to work in a team,
  • Capability to lead complex multi-disciplinary research projects,
  • Strong synthesis skills and proactivity.


When you join Cailabs, you will find :   

  • A dynamic team of engineers and Ph.Ds who share your wish to put their skills to work on stimulating technical challenges, 
  • A collective emulation and a strong intellectual interest in your work,
  • A company at the cutting edge of technology, from the development of prototypes to the industrialisation phases.


And also :   

  • Times of sharing and conviviality (annual seminar, meals, group games, sports activities, etc.)
  • A health insurance plan covered at 100% by Cailabs.
  • A bonus system to reward collective and individual performances

Joining Cailabs is finally the assurance that everything will be done to help you perform, improve and take up new challenges.

Find out more about us on www.cailabs.com 

Required languages

  • English English - Level advanced

Réf: c2a89452-5404-48a7-85cb-e50eeabd381c


Optical R&D Engineer W/M

Permanent contract
Full time

This information is used to process your application. The legal basis is that of measures prior to the conclusion of a possible employment contract. Unless you take action, this information will be kept for no more than 2 years.

* Required fields

Share job

Our Job Offers