Turbomachinery Development Engineer

Company Details



We are Isar Aerospace and we are at the forefront of New Space building a modern space business to enable faster, better and cheaper access to space.

Our mission is to help democratise space and use it for good in order to improve life on Earth now and for the future generations.

We are a fast-growing company aiming to provide sustainable and environmentally friendly launch solutions for small and medium-sized satellites and constellations into Low Earth Orbit. The company is privately funded by world-leading technology investors with strong commitment and support and our team is made of driven and talented people with a real passion for space innovation.

We’re making rockets in a way that hasn’t been done before disrupting a traditional industry. If you are up for the challenge, want to work on cutting-edge projects and be part of a team changing the world for better, come, join us and launch your career!


  • Be at the centre of an agile and dynamic team of highly motivated space enthusiasts
  • You will be part of an incredible start-up journey
  • Huge learning potential and the opportunity to build things from the ground up (literally)
  • You’ll enjoy a high level of freedom and autonomy
  • Flat hierarchy and open communication


  • The main purpose is to support the turbomachinery team with component/assembly testing and data analysis. You will be responsible for the test preparation, execution and review of the test results of the most challenging rocket engine components such as impellers and turbines.

More specifically, you will:

  • Support the turbopump development by building and testing turbopump components
  • Perform both component and assembly testing of the turbopump
  • Select sensors to analyze component performance and integrate them into test assemblies
  • Define test configuration, test process/execution, and review the results
  • Generate and track test objectives to support component/engine test campaigns
  • Perform real-time and post-test data analysis/review to evaluate the performance of the test article.
  • This includes comparing the test results with design values, documenting test results and recommending areas for upgrades and improvement
  • Support ongoing design improvements to turbomachinery
  • Work with manufacturing engineers to ensure turbo pump and key sub-assemblies are manufactured correctly and efficiently
  • Ensure component and system performance through development testing, design iterations and post-test data reviews
  • Support the test site team in planning and setting up the required test rigs



  • M.Sc. degree in mechanical engineering or similar
  • Academic or professional experience related to turbomachinery or rocket engine development
  • Hands-on experience with turbomachinery and engine testing
  • High level of familiarity with instrumentation
  • Experience with working in a propulsion development test environment / knowledge of propulsion testing procedures
  • Exceptional comprehension of test data analysis, ability to perform data analysis
  • Knowledge or experience in Python programming or similar
  • Understanding of thermodynamics, compressible and incompressible fluid dynamics
  • Proficiency in 3D CAD programs (SolidWorks preferred)
  • Passionate about new space, curious and eager to learn
  • Driven to deliver and constantly push the boundaries
  • Take ownership and accountability for your own actions and mistakes
  • Humble and willing to go out of your way to help others
  • Can-do attitude and outstanding communication skills
  • Fluent English


  • Experience with turbomachinery specific to rocket engine applications
  • Familiarity with cryogenic fluids and oxygen compatibility
  • Knowledge of NPSH testing and cavitation
  • Experience with rotating machinery component testing including turbines, impellers, housings, bearings, and seals
  • Knowledge of turbopump assembly procedures, including rotor balancing, interference fits, clearance checks, structural proofing and leak checks
  • Willingness to travel in support of launching and testing of hardware

Tagged as: turbomachinery, solidworks, 3d cad, thermodynamics, npsh testing, rocket engine development, turbopump assembly procedures

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