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!

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Polaris Raumflugzeuge GmbH