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.