Fluid System Design Engineer (m/f/d)

Why us?

POLARIS Raumflugzeuge GmbH develops innovative transportation systems that redefine access to space for payloads and passengers. We are continuing to expand our team and are looking to fill the position of Fluid System Design Engineer (m/f/d) .

Join our dynamic and fast-growing startup and be part of our exciting journey to revolutionize space transportation and hypersonic flights. We are a passionate team dedicated to pushing boundaries, fostering innovation, and creating impactful solutions that make a difference.

Depending on the area of responsibility, professional experience and specialist background, the gross annual salary ranges from EUR 60.000,00 to EUR 100.000,00.
The exact remuneration will be determined during the application process.

Your mission

• Design and interpretation of piping and instrumentation diagrams (P&ID) based on requirements and functional needs
• Define and verify key performance parameters, such as flow rates, pressures, and efficiency, through simulation and testing
• Define specifications for valves, solenoid valves, control valves, pressure regulators, pressure vessels and safety components
• Market research regarding suitable components like different kinds of valves, filters, flow meters, sensors, fittings etc. fulfilling our requirements
• Fluid system component selection, trade-off studies and procurement
• Simulation and analysis of system behavior
• Design fluid system parts and assemblies in CAD
• Define operation and safety procedures for the fluid system
• Analysis of test results to check system performance

Your profile

• Successfully completed aerospace or mechanical engineering degree (M.Sc./M.Eng.)
• Programming skills would be an advantage (Python, C++, Matlab)
• Proficient with CAD software (PTC Creo)
• Experience with simulation software would be an advantage (EcosimPro, Ansys)
• Hands-on experience with assembling, testing and troubleshooting fluid systems
• Work experience in a start-up environment is an advantage
• Proactive thinking, high level of motivation, flexibility, and teamwork skills
• Proficiency in both German and English

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
• Monthly subsidy of €30 for public transportation ("Deutschlandticket")
• Take benefit of attractive employee discounts through Corporate Benefits
• 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

Our mission is to pioneer a new era of space transportation by flying to space and back like an aircraft — taking off and landing at airports, and reusing our spaceplanes for hundreds of missions. We combine unprecedented cost efficiency with unique flexibility and safety, enabling breakthrough advances in both space transportation and hypersonic flight. This vision is currently pursued by over 115employees every day.

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.