Thermal Engineer

Thermal Engineer

Lausanne, Switzerland
• Full-time
• Mechanical Engineering

DPhi Space is a Swiss startup building the intelligence infrastructure in space by turning satellites into inference servers and connecting space to the cloud on Earth. The team launched a first demonstrator into space in March 2025 followed by the second one in March 2026. The company is on a track to continue the yearly launch cycle with the next system planned to launch in 2027.

• Thermal design of a satellite from electrical sub-assemblies to system level.
• Perform thermal and multi-discipline simulations to validate the system's thermal integrity.
• Design of experiments to validate simulations and designs.
• Coordinating the procurement of thermal components, for example heat pipes and radiators.
• Bring a project from design to manufacturing by coordinating with manufacturing partners.
• Plan and perform the thermal aspects of a satellite testing campaign.
• Be the subject matter expert for thermal questions for other disciplines.

• The ability to work in a team.
• Experience in the full design cycle covering design, prototyping, and final design implementation and qualification.
• Proficiency in simulation tools, for example Thermal Desktop, Ansys tools, or similar.
• Experience in rapid prototyping and experimental design verification.
• University or HES degree in any relevant engineering or science field.
• Problem‑solving mindset and the ability to work with evolving constraints.
• Language:
  Fluency in English is a must, French is an asset.

• Startup environment – a flexible and innovative work culture
• Fast design cycles – design, build, test, and improve in short cycles
• Room to grow – grow together with the company.
• Possibility of hybrid work. Fully remote positions are not an option.
• Possibility of participation in a stock options plan
• DPhi Space supports equal opportunities employment.

Variable start dates.

Permanent position with 3 months trial period.

Activity rate from 80% to 100%.

Ready to apply? Join our team and help build the intelligence infrastructure in space.

Apply for this position.