
Propulsion Test Engineer (m/f/d)
Job Description
Mission Brief
As a Propulsion Test Engineer you will join a team of engineers and technicians performing development, qualification and acceptance tests of subcomponents of liquid rocket engines and integrated subsystems of our Spectrum rocket. You will participate in test operations at the production site in Ottobrunn (Bavaria, Germany) and at the test site in Reischach (Bavaria, Germany) for gas generators, subscale engines and turbopumps. In addition to test operations, you will conduct maintenance activities and upgrades on the existing test rigs, as well as designing and building test set-ups to cover ad-hoc needs. You will work in tight-knit teams to ensure safe and efficient operations, while closely cooperating with the design engineers to enable fast iterations and timely delivery of hardware.
Your Role in Our Space Mission:
- Plan, prepare and execute tests, process data, and write reports
- Take care of test preparations
- Develop and maintain internal test standards, procedures and sequences
- Participate in maintenance activities and troubleshooting on existing test benches
- Assist in designing test rigs and laying out sensors
- Designing and building test set-ups for ad-hoc testing needs
Qualification Checklist
- B.Sc / M.Sc in the field of aerospace, mechanical engineering or similar
- Hands-on experience in development or testing of complex systems, preferably involving extreme operating conditions such as cryogenic temperatures, high pressures, or high temperatures
- Experienced in test data acquisition, reduction and evaluation
- Capable of designing fluid and mechanical systems from theoretical concept to precisely dimensioned installations
- Experience and curiosity about troubleshooting
- Physical dexterity is required for working in confined spaces as necessary. Able to lift and carry approx. 20 kg loads
- Willingness to work outdoors
- Ability to perform in high-stress environments, maintaining focus and concentration for long durations
- Adapting sufficiently and quickly to a changing work environment
- High quality and safety mindset paired with a high attention to detail and can-do attitude
- Communicate actively and openly in a constructive manner
- Fluent in English (written and spoken)
- EU category B driving license
Bonus Skills
- Hands-on experience with fluid systems and piping/tubing
- Experience with instrumentation for test systems
- Experience with at least one programming language (Python, Matlab, C, C#…)
- Experience with 3D modeling software (SolidWorks, CATIA, NX, …)
- Knowledge of cryogenic fluid rocket propulsion systems
- Knowledge of hazardous systems (cryogenic, flammable, explosive or similar)
Benefits
- Employee Participation Program: Share in our success through our virtual company share program
- 30 days of vacation: Enjoy the days off to relax and recharge
- Company pension plan: Secure your future with our company pension plan, featuring a 20% employer contribution after the probation period
- Subsidised lunch: Stay energised with delicious, subsidised lunches every day
- Public transport ticket: Commute with ease using a fully financed Deutschlandticket
- Sport Clubs membership: Stay fit with our sponsored sports club memberships (EGYM Wellpass)
- Individual learning allowance: Grow your skills with an individual learning budget granted after the probation period
- Childcare allowance: Receive a childcare allowance for your non-school-age children
- And Much More! Discover additional perks and benefits when you join our team
Who we are
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!
Want to find out more about us?
Visit www.isaraerospace.com
Disclaimer
Isar Aerospace SE is an equal-opportunity employer committed to fairness and inclusivity. We do not prioritize any specific religion, gender, nationality, or background. Due to security clearance requirements, affiliations with countries listed under § 13 para. 1 no. 17 SÜG may affect the application process. All qualified applicants are encouraged to apply.
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Job Details
- Category
- Mechanical
- Employment Type
- Full Time
- Location
- Ottobrunn, Bavaria, Germany
- Posted
- Mar 3, 2026, 06:05 PM
- Listed
- Mar 3, 2026, 06:05 PM
About Isar Aerospace
Part of the growing space industry ecosystem pushing humanity toward interplanetary exploration.
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