Your JOB

R&D Engineer M/W (Lille, France)


To support the development of our innovations, we offer a R&D engineer position in our HQ in Villeneuve d’Ascq. You will be involved in all steps of new product development, from design and prototyping to testing and production kick-off.

This is a demanding job which requires expertise and skill to deal with the products under development.

Within the R&D division and under the responsibility of the R&D Director, your missions will be as follows:

  • Invent new systems for floating solar plants related to the floating structure,
  • Define, plan and realize in autonomy the whole new system development from concept to industrial qualified solution,
  • Identify reliable and competitive partners to develop and validate the new systems,
  • Work closely with the industrial/supply team to qualify partners all over the world.
  • Steer, in autonomy, the progress of new system development
  • Ensure the reporting of the activity, in terms of progress and issues encountered, propose measures for continuous improvement,
  • Participate to the synergy within R&D team and between teams of the whole Ciel et Terre group.

You may have to travel abroad as part of site visits or our affiliates.



You have a master’s degree in engineering (mechanics, material science or general engineering) with 5 year-experience in CAD and technical parts development (plastic parts a plus).

You master Office, Autocad and/or Solidworks (or another CAD software) and you have strong skills in mechanics, technical part design, plastics and RDM.

You feel very comfortable writing and talking in French and English.

  • Open-minded, innovative and curious, you are able to work in an international team,
  • You have a strong practical sense and are proactive,
  • You know how to prioritize, adapt to changes and work in autonomy,
  • You know and like working in a team and accept constructive feedback,

You have a strong interest in renewables and desire to make an impact in this field.



  • Work for the pioneer and leading floating solar company
  • The opportunity to have a direct impact on the company activities
  • A dynamic working environment, where people can express their potential and talent
  • The ability to take decisions and initiate change
  • Diverse, multicultural teams

You will work in the business area of the Haute Borne, located 15 minutes by subway from Lille city center. You will benefit from a parking reserved for staff.

You wish to come to work by bike, we lend you one!

It’s full-time permanent position.

  • Salary: between 36K€ and € 45K€ depending on the profile
  • Incentive agreement
  • Lunch vouchers
  • Health insurance supported up to 75%



At Ciel & Terre, we are deeply engaged in the development of the fast-evolving and international floating PV market, which implies experience and a high-level of expertise, and we have the ambition to remain leaders and go further to realize its potential.

Working at Ciel & Terre means something for each of our co-workers. As an innovative and eco-friendly company, we share strong human qualities and values in connection with the energy transition. We give every employee the opportunity to express his/her potential by providing autonomy and encouraging initiative among dynamic multicultural teams.



Your application will be automatically addressed to our HR manager – Ms Fanny HERMANT, in charge of the recruiting process.

Please complete your application with a short message in English stating your goals and motivations (instead of a cover letter).

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