Lead Mechanical 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.
Your Responsibilities
* Take ownership of the spacecraft mechanical design from concept through release, and execute the detailed design of all associated subcomponents to meet mission requirements.
* Explore design concepts, run structured trade studies, and converge on the best architecture using analysis and simulation tools.
* Own mechanical interfaces across internal subsystems and customer payloads, while ensuring structural, thermal, accessibility and harness routing constraints are respected.
* Conduct mechanical and thermal analyses, including static, modal, random vibration, and shock.
* Optimize designs for manufacturability, including machining technique selection and technical drawing generation.
* Define and perform the mechanical environmental testing campaign in coordination with the system engineers.
* Lead the mechanical integration campaign for flight hardware.
What Will Make You Successful
* The ability to work in a multidisciplinary team and communicate clearly across engineering disciplines.
* Hands on experience in spacecraft design techniques and processes for aerospace.
* Creative design mindset and the ability to explore out of the box concepts that meet structural requirements.
* Proficiency in CAD software (SolidWorks or similar) and FEM software (Ansys or similar).
* Basic programming skills are a plus.
* University or HES degree in any relevant engineering or science field.
* At least 3 years of experience in the space sector.
* Problem‑solving mindset and the ability to work with evolving constraints.
* Language: Fluency in English is a must, French is an asset.
What We Offer
* Flexible working hours and a dynamic, friendly, innovative and multi‑cultural working environment.
* 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.
Activity Details
* Variable start dates.
* Permanent position with 3 months trial period.
* Activity rate from 80 % to 100 %.
DPhi Space supports equal opportunities employment.
Ready to apply? Join our team and help build the intelligence infrastructure in space. Apply for this position
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