R&D internship: simulator development F/H

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Published on 14/10/2025

  • Contract type:  Internship

  • 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 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).

Internship description

The internship involves taking charge of and participating in the development of an optical ground station simulator, the first version of which has already been developed.

 

Under the supervision of the internship tutor, you will:

  • Define the objectives that will guide the developments and simulations you will be required to produce, in order to integrate them into the R&D tools.  

 

The simulator is based on software libraries for simulating astronomical objects and servo systems, with which you will need to familiarise yourself in order to contribute to the evolution of the code base and the addition of new features to the simulator. 

Profile required

Second- or third-year engineering student specialising in optics or servo control systems

 

Key points:

  • Good knowledge of programming (Python) and software development basics
  • Knowledge of control methods
  • Basic knowledge of numerical simulation methods 

 

Bonus points: 

  • Knowledge of astronomy, orbital mechanics and/or astrodynamics
  • Curiosity and interest in studying and modelling complex real-world systems
  • Experience in asynchronous programming
  • Experience with Docker for application deployment

 

When you join Cailabs, you'll find :

  • A dynamic team of engineers and PhDs who share your desire to apply your skills to stimulating technical challenges,
  • Collective emulation and a strong intellectual interest in your work,
  • A company at the cutting edge of technology, from the development of prototypes through to the industrialisation phases.

Plus :

  • Time for sharing and conviviality (annual seminar, meals, group games, sports activities, etc.).
  • A modern, pleasant working environment, conducive to collaborative working
  • Luncheon vouchers

Finally, joining Cailabs is the assurance that everything will be done to help you develop new skills.

For more information: www.cailabs.com

Réf: 4f40f7d5-f1c3-420d-8bea-baba9f046dc1

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R&D internship: simulator development F/H

Internship
Full time
Rennes

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