Lead Mechanical Engineer, Lausanne

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.

For this mission, we are looking for motivated engineers to join the company.

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 DPhi offers flexible working hours, and a dynamic, friendly, innovative and multi-cultural working environment. We have attractive working conditions including team social events. In particular, DPhi Space offers

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.

Activity Details

Variable start dates

Permanent position with 3 months trial period

Activity rate from 80% to 100%

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