IT Technician Internship F/H

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Published on 28/10/2026

  • Contract type:  Internship - 6 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

You will work within the IT team, under the supervision of Mattéo Chapellier, IT Technician.

The internship project will give you the opportunity to:

  • Discover how the IT team is organized and operates
  • Contribute to day-to-day IT support and workstation deployment
  • Implement a new AI agent for IT support
  • Support the team in setting up the systems infrastructure for a new production site

Your objectives will be to:

  • Suggest improvements to existing IT support processes
  • Propose new approaches to providing user support
  • Develop your skills in tools and technologies such as AI
  • Assist with systems and network-related topics, working closely with the Systems & Network Administrator
  • Suggest relevant solutions and approaches discovered during your studies
  • Take part in the IT onboarding and offboarding of employees, working with the IT Technician and using the tools already in place

The internship will last between 3 and 6 months and will take place during 2027.

Profile required

Key skills:

  • Student completing a BTS in IT Services for Organizations (SIO) or an equivalent qualification
  • General knowledge of systems and networks
  • Good level of written and spoken English
  • Good interpersonal skills, patience and active listening

Nice to have:

  • Knowledge of LLMs (Large Language Models)
  • Thoroughness, motivation and autonomy
  • Previous experience in helpdesk support or systems administration would be a plus

Work environment:

  • An innovative, fast-growing company
  • A young and dynamic team
  • 35-hour working week, Monday to Friday

By joining Cailabs, you will find:

  • A dynamic team that shares your desire to apply its skills to stimulating technical challenges
  • The autonomy to suggest and implement new solutions
  • A cutting-edge technology company, working from prototype development through to industrialization

And also:

  • Opportunities to connect and enjoy time together (team meals, games, sports activities, etc.)
  • A modern and pleasant working environment designed to encourage collaboration
  • Meal vouchers

Finally, joining Cailabs means having the support and opportunities you need to develop new skills.

More information: Cailabs website

Required languages

  • English English - Level Intermediate

Réf: eb5e02dc-bfde-46ac-9a19-4e4665f19d95

Apply

IT Technician Internship F/H

Internship - 6 months
Full time
Rennes

As part of your application on the career site of CAILabs, the information you provide is processed for the review of your profile, on the basis of pre-contractual measures and the legitimate interest of the company in building a CV database.

Some data may be automatically analysed (parsing and pre-screening) via an Artificial Intelligence system. No decision is made solely by AI, as every application is reviewed by a recruiter.

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- Your data is not retained by our AI solution.

- It is not used to train an AI model.

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- No transfer outside the EU is carried out.

Regarding your data:

Unless otherwise requested, your data is retained for a maximum of 2 years.

In accordance with our internal security policies (PSSI) and current best practices, robust technical and organisational measures are implemented to protect the access and integrity of your information: secure access, rights management, encryption, security protocols, access monitoring, employee awareness, etc.

Regarding your rights:

In accordance with the GDPR, you have the right to access, rectify, object to and delete your data. You may exercise these rights by contacting dpo@septeo.com.

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