Business Controller - Apprenticeship F/H

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Published on 29/05/2026

  • Contract type:  Temporary contract - 12 months

  • 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

Would you like to discover or deepen your understanding of corporate finance and develop your management control skills?

 

Are you eager to learn alongside experienced professionals while contributing to the growth of an innovative company?

 

Join the Finance Department at CAILABS as a Management Control Apprentice!

Reporting directly to our Finance Project Manager, your main responsibilities will include:

  • Contributing to the implementation and deployment of a standardized reporting package for Executive Management and shareholders;
  • Developing, producing, and monitoring financial and operational performance indicators;
  • Improving and automating data collection and reporting tools.

 

To carry out these missions, you will primarily work with the following tools:

  • Microsoft Excel & PowerPoint
  • Power BI
  • Microsoft Copilot

Profile required

  • Currently pursuing a Master’s degree (Master 2) in Management Control, Finance, Accounting, Audit & Control (CCA), or DSCG;
  • Strong interest in data analytics solutions (such as Power BI), combined with solid Excel and Microsoft Office skills;
  • Curious mindset with a strong problem-solving orientation;
  • Previous experience within a corporate finance department or an audit firm would be a significant advantage.

 

Why join us ? 

 

  • CAILABS is a fast-growing deep-tech company specializing in advanced photonics solutions and optical laser communications, with ambitious plans to scale up industrially in the near future;
  • This growth requires the strengthening of our financial performance monitoring tools and processes;
  • This is a unique opportunity to contribute to the design and implementation of advanced processes and reporting tools that support strategic decision-making.

Réf: c2e9e17e-d6f1-42f4-9382-44b5df4cda68

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Business Controller - Apprenticeship F/H

Temporary contract - 12 months
Full time
Rennes

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