Turgi, Switzerland

FenX is a spin-off from ETH Zurich. We tackle the world’s energy and greenhouse gas challenge by bringing technology and innovation to the building insulation market. Our first impact product is a high-performance building insulation panel incorporating mineral waste materials. It is cost effective, fully recyclable and has a low CO2 footprint.

At FenX every day offers a new opportunity to shape the future. We are looking for a talented and passionate Mechanical / Process Engineer who wants to join the adventure of a dynamic start-up with a mission to empower circular construction.


  • You are responsible for designing new and improving existing industrial production processes for mineral foam products, comprising drying, mixing and casting.
  • You lead the technological transfer from R&D to the testing pilot line.
  • You actively participate in long-term product/technology planning.
  • You track, monitor and report progress and deliverables on running projects.


  • You have completed an MSc in Mechanical / Process Engineering or similar.
  • You have gained at least 3 years of professional experience in the development and testing of key steps of production plants (porous materials, food, building materials)
  • You are experienced in developing concepts/preliminary designs as well as preparing techno-economic analyses and technical drawings.
  • You work hands-on with the technical team on the prototyping line.
  • You are team orientated, communicate effectively, work cooperatively, and make a positive contribution to the team environment.
  • You are flexible and can adapt quickly to changing requirements to operate successfully in a dynamic working environment.
  • We value initiative, you are proactive and can take on tasks independently.


  • Impact: shape society’s future in a creative working environment
  • Personal growth: experience direct work impact and grow with the daily challenges of a start-up.
  • Team spirit: become part of a young, impact-driven, diverse, and motivated Team which enjoys the best coffee in Turgi and doesn’t shy away from a ping-pong challenge.

Ready for the next step?

Your path to innovation: Become part of FenX!

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