Test Engineer for Rocket Engine Test Stand (Systems & Component Design) (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 Test Engineer for Rocket Engine Test Stand (Systems & Component Design) (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

• Design and develop test stands for rocket engines and subsystems.
• Select and integrate instrumentation, control, and data acquisition systems.
• Plan, execute, and safely operate test campaigns for engines and components.
• Analyze test data, create reports, and provide feedback to engineering teams.

Your profile

• Degree in Space Engineering, Aerospace Engineering (M.Sc.) or similar
• Minimum of 2 years of full-time experience
• Experience with rocket engines, test stands, high-pressure systems or cryogenic fluid systems
• Safety-conscious mindset and the ability to work under pressure during live tests
• Strong problem-solving skills and ability to work independently and in a team
• Proactive thinking, high level of motivation, flexibility, and team-working skills
• Proficiency in both German and English

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 115 employees 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
• Monthly subsidy of €30 for public transportation ("Deutschlandticket")
• 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.