Thermal Analysis and TPS 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 Thermal Analysis and TPS 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.

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

• Thermal analysis of subsystems and overall system of a two-staged hypersonic vehicle
• Performing analysis using low-fidelity methods as well as high fidelity FEM
• Determine thermal loads on the vehicles outer surface as well as internally
• Define thermal boundary conditions, load cases and thermal margins
• Support subsystem design by identifying thermal risks and proposing optimization
• Translate analysis results into technical solutions
• Designing a Thermal Protection System (TPS) for the application on hypersonic winged vehicles from draft to finished product
• Define test samples, test set up, conditions and procedures in cooperation with the AIT department
• Document models, assumptions, results, and design decisions.
• Collaborate closely with design, systems, CFD, test, and manufacturing teams

Your profile

• Masters degree in aerospace engineering, computational sciences or similar
• Strong background in thermal modelling and analysis of aerospace systems
• Experience with thermal management in Hypersonics / atmospheric re-entry applications
• Profound understanding of fluid dynamics, thermodynamics, heat conduction, heat transfer and radiation
• Strong problem-solving skills
• High motivation and proactive way of working
• Strong communication skills and team player mentality

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.

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. 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.