International Installation & Maintenance Engineer F/H

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Update on 09/06/2026
  • Contract type:  Permanent contract

  • 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

With the growth of our international projects, we are strengthening the team responsible for installing our high-technology systems worldwide.

Your role will be essential: you will make it possible to deploy complex technological systems on international sites that are often sensitive and strategic.

You will work on cutting-edge equipment combining optics, mechanics, electronics, and robotics, at the heart of concrete projects where every installation matters.

You will manage the full installation of our systems, from on-site activities to reporting, with direct involvement in continuous improvement and maintenance operations.

 

Mission Preparation

  • Take over during the FAT at the factory.
  • Conduct Site Surveys / Infrastructure Surveys.
  • Train on the technical specificities of the systems.
  • Challenge system maturity (Production, V&V, Technical) and suggest constructive improvements.
  • Occasionally contribute to the integration of OGS systems and custom projects.

Deployment on Customer Sites

  • Present the solution and support the customer, representing Cailabs on site.
    Train the end users.
  • Manage logistics for the equipment (disassembly, packaging, transport, reception).
  • Physically install the systems (mechanical, electronic, cabling).
  • Perform tests and provide troubleshooting.
  • Carry out the SAT and validate final acceptance on site.

Reporting & Knowledge Sharing

  • Write intervention reports and appropriate documentation, especially for custom projects.
  • Actively contribute to feedback and continuous improvement initiatives.
  • Collaborate with internal teams: V&V, Production, Logistics, Purchasing, Quality, Technical, Methods.
  • Travel Requirements

International trips of 3 to 6 weeks, estimated between 1 and 5 times per year.

For corrective maintenance missions: more frequent and less scheduled trips.

Profile required

Technical Skills

  • Bachelor’s or Master’s degree
  • Minimum of 3 years’ experience in a demanding industrial environment
  • Knowledge in one or more of the following areas: Networks / Programming, Optics – Lasers – Microscopy, Automation, Robotics / AI, Mechanical Engineering / Construction, Industrial Maintenance, Medical Devices, RF – SatCom – Radar, Electronics
  • Hands-on field experience in operational roles such as: Field Service Engineer, Customer Support Engineer, Field Engineer, International Technical Suppor

Soft Skills

  • Strong interest in international assignments
  • Ability to understand and work with technologies that are still evolving or scaling up
  • Advanced level of English
  • Strong rigor and composure, team-oriented mindset, good communication skills, autonomy, and adaptability

Interests

  • Motivation for international and field-based assignments
  • Strong interest in complex technical projects

By joining Cailabs, you will find:

  • The opportunity to take part in an incredible human adventure, working alongside colleagues who share a strong team spirit built on challenge, intellectual stimulation, and responsiveness;
  • The chance to join a dynamic organization that combines agility with resources aligned with its ambitions;
  • A cutting-edge technology company involved in every stage, from prototype development to industrialization phase.

Benefits

  • Regular opportunities for team bonding and social events (annual seminar, team lunches, group games, sports activities, etc.);
  • 100% employer-covered health insurance;
  • A bonus scheme rewarding both collective and individual performance;
  • Joining Cailabs also means having the assurance that everything will be put in place to help you perform, grow, and take on new challenges.

Required languages

  • English English - Level advanced

Réf: 6c0fb3e4-9c03-4ce4-8411-830d958d9dfc

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International Installation & Maintenance Engineer F/H

Permanent contract
Full time
Rennes

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