Rocket Engine Design Engineer

1w1 week ago

POLARIS Raumflugzeuge GmbH

Bremen, DE · Full-time · €70,000 – €100,000

About this role

POLARIS Raumflugzeuge GmbH develops innovative transportation systems that redefine access to space for payloads and passengers. We are seeking a skilled and driven Rocket Engine Design Engineer to join our headquarters in Bremen. This role is key to our expansion in revolutionizing space transportation and hypersonics.

You will design and analyze conventional and linear aerospike rocket propulsion systems. Responsibilities include design and analysis of liquid rocket engine components such as injector, combustion chamber, nozzle, and igniter. Perform thermodynamic, fluid dynamic, and thermos-structural analysis using tools like CEA, Ansys Mechanical & Fluent, MATLAB, or Ecosimpro.

Engage in material selection, component sizing, and optimization of engine performance and efficiency. Collaborate closely with test and DAQ engineers to define test plans and analyze test data. Join our passionate team dedicated to pushing boundaries and fostering innovation.

Be part of a dynamic, fast-growing startup creating impactful solutions. Shape the future of space transportation and make a positive impact. We value proactive thinking, high motivation, flexibility, and team-working skills.

Requirements

Successfully completed aerospace engineering degree (M.Sc./M.Eng.)
Strong understanding of thermodynamics, fluid mechanics, heat transfer, and combustion
Working experience in the field of rocket propulsion
Experience with rocket propulsion system analysis tools (e.g. CEA, Ecosimpro, Ansys)
Proficient with CAD (Inventor/Creo)
Programming skills (e.g. Python, Matlab)
Experience with CFD (Ansys Fluent) is an advantage
Proficiency in both German and English

Responsibilities

Design and analyze conventional and linear aerospike rocket propulsion systems
Design and analyze liquid rocket engine components, including injector, combustion chamber, nozzle and igniter
Perform thermodynamic, fluid dynamic, and thermos-structural analysis using tools such as CEA, Ansys Mechanical & Fluent, MATLAB or Ecosimpro
Select materials and perform component sizing
Optimize the engine performance and efficiency
Collaborate with test and DAQ engineers to define test plans and analyse test data