Fluid System Design Engineer (w/m/d)

Why us?

POLARIS Raumflugzeuge GmbH develops innovative transportation systems that redefine access to space for payloads and passengers. As we expand our operations, we are seeking a skilled and driven individual to join us at our headquarters in Bremen as 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 hypersonics. We are a passionate team dedicated to pushing boundaries, fostering innovation, and creating impactful solutions that make a difference.

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.
• Fluid system component selection, trade‑off studies and procurement
• Simulation and analysis of system behaviour.
• 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 (Inventor/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 team‑working 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
• 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. Apply now by sending your CV and a cover letter outlining your relevant experience and why you are the ideal candidate for this role. We look forward to welcoming you to our team!