Rocket Engine Structural Engineer (m/f/d)

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 a Rocket Engine Structural Engineer (m/f/d) .

Your mission

• Perform structural design and analysis of rocket engines at system, subsystem, and component level
• Conduct strength, stiffness, stability, and life analyses under static, dynamic, pressure, and thermal loads
• Define and assess structural load cases from operation, launch, testing, and off-nominal scenarios
• Support mechanical design of load-bearing components such as combustion chambers, nozzles, housings, mounts, and interfaces
• Perform and own finite element analyses (linear/nonlinear, thermo-mechanical, and fatigue where applicable)
• Define boundary conditions, safety factors, and structural margins
• Correlate analysis results with test data and derive design improvements
• Support structural, pressure, and load testing activities, including test evaluation
• Collaborate closely with interdisciplinary teams
• Document assumptions, models, results, and structural design decisions

Your profile

• Degree in Space Engineering, Aerospace Engineering (M.Sc.) or similar
• Minimum of 2 years of full-time experience
• Strong background in structural mechanics, strength of materials, and material behavior
• Experience in structural design and analysis of complex engineering systems
• Strong background in ANSYS Mechanical
• Experience with high-temperature, pressure-loaded, and dynamically loaded structures
• Understanding of thermo-mechanical coupling and material behavior under extreme conditions
• Ability to interpret and validate simulation results using test data
• Proactive thinking, high level of motivation, flexibility, and team-working skills

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.