Design Engineer for Liquid Rocket Engine

Why us?

POLARIS Raumflugzeuge GmbH develops innovative transportation systems that redefine access to space for payloads and passengers. With now 70 dedicated colleagues, we are working at two locations to make our vision reality. We are continuing to expand our team and are looking to fill the position of Design Engineer for Liquid Rocket Engine (m/f/d).

Your mission

Maintain and manage the master CAD model of the rocket engine, including configuration control and subsystem integration

Design engine components and produce detailed technical drawings

Perform thermo-mechanical simulations (thermal/structural FE analyses) and iterate designs based on results

Ensure manufacturability, tolerance accuracy, and material suitability

Coordinate with analysis, test, and integration teams to incorporate design updates

Communicate with suppliers regarding manufacturability, materials, design requirements and review supplier drawings

Maintain BOMs and support procurement and assembly

Document design changes through the engineering change process

Your profile

Degree in Space Engineering, Aerospace Engineering (M.Sc.) or similar   

Minimum of 2 years of full-time experience

Advanced skills in CAD modelling

Advanced skills in thermomechanical/FEA simulation

Good understanding of the rocket engine design process and its subsystems

Profound understanding of physics, fluid dynamics, manufacturing processes, rocket engine/propulsion systems

Proactive thinking, high level of motivation, flexibility, and team-working skills

Proficiency in both German and English

Knowledge of PTC Creo is an advantage

Experience with qualification/certification

Work experience in a start-up environmen

What we offer 

Long-term prospects with a permanent employment contract

Being part of an international, highly motivated team

Flat hierarchies and short decision-making processes

Flexible working hours

Use of our company fitness program with EGYM Wellpass

The opportunity to contribute your ideas and actively shape the company

Join us in shaping the future of space transportation and making a positive impact. If your profile fits our requirements, apply now by sending your complete application portfolio, including CV, certificates and a cover letter outlining your relevant experience and why you are the ideal candidate for this role. 

About us

At POLARIS we value on-site collaboration, so we generally do not offer home office. Please apply only if you feel comfortable with this working model – it saves valuable time for everyone involved.