Our Products

Discover all our products developed in theaim to meet your floating solar projects.

Our services

For all stages of your project, benefit from our experience and comprehensive support.

Our Solutions per site’s characteristics

Find the answer to the challenges of your project thanks to ourcomplete solutions compatible with different bodies of water.

R&D Engineer M/W

Lille, France


Our mission

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

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 role & missions

Develop solutions & products from concept/idea to industrialized technology for Hydrelio or Anchoring components.


Your responsabilities

    • Ensure that the product respects specifications in term of performance and quality.
    • Define required resources (manhours, expenses) to achieve project.
    • Respect milestones and budget of the development project.
    • Respect Ciel et Terre processes.

Your missions will
be as follows


  • Define technical solutions.
  • Perform technical feasibility – performance prediction, risk analysis, industrial feasibility.
  • Define and follow validation plan (tests) including request for new test.
  • Manage prototype manufacturing.
  • Prepare design reviews and gate reviews. Validate gate reviews packages.
  • Regularly update and follow up project schedule and budget.
  • Perform technical feasibility – performance prediction, risk analysis, industrial feasibility.
  • Revert to R&D Manager or R&D Director for decisions.
  • Capitalize acquired knowledge and write design guides.
  • Close project with lesson learns and project summary.
  • Participate to Intellectual Property (patentability review, patent writing review).
  • Be responsible for document signature according Signature Authority Matrix.


Full time contract to start ASAP

Behavioural Competencies:

  • Proactive.
  • Team Player.
  • Self-Motivated.
  • Logical and organized.
  • Strong Interpersonal Skills.

Your qualifications

  • Bac+5 in engineering (mechanics, material science, general engineering, naval architecture…) OR Bac+3 in mechanics or material science 
  • Min 5 years of experience in technical product development. 

soft skills

  • Autonomous
  • Sense of teamwork
  • Critical thinking
  • Appetence for challenges
  • Proactive
  • hard skills

    • Project Management, CAD – Solidworks, Mechanical simulation, CFD simulation, Hydrodynamic simulation,
    • Polymer processing and characteristics, Metal parts manufacturing
    • Good level in English.
    • Ideally knowledge of an additional language

    Ciel & Terre’s benefits

    • Working for the pioneer of floating solar photovoltaics
    • The opportunity to have a direct impact on the group’s activities
    • The ability to take decisions and initiate change
    • A dynamic work environment that encourages the expression of everyone’s potential and talent
    • Autonomy and the ability to initiate change daily interaction with multicultural teams
    • Diverse, multicultural teams

    Our Values

  • Conquering
  • Responsible
  • Caring
  • Skillful
  • Genuine
  • You will bring us your skills and inspiration, we will offer you a friendly and stimulating work environment!

    Ciel & Terre’s little extras

    • The possibility of sharing your time between
      on-site and home office
    • Lunch vouchers: lunch vouchers worth €8 are distributed at the end of the month, one for each day worked. The company pays 60% of the value of the ticket (€4.80)
    • Mutual and provident insurance: we have decided to pay 75% of the family contribution
    • Bike: We can lend a bike to employees who would like to come to work by bike

    And also:
    We provide you with a personalized onboarding: you will be welcomed by your sponsor who will guide you throughout your integration, prepare your training with the different departments etc…

    the office

    Our headquarters are located in the business area of the Haute Borne in Villeneuve d'Ascq, 15 minutes by subway from train station and Lille city centre.

    Ready to join our team? Apply online!

    Your application will be automatically addressed to our HR manager, in charge of the recruiting process.
    Please complete your application with a short message in English stating your goals and motivations.

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