12 months internship - Propulsion Test Engineer (m/f/d)
Confirmed on the employer's own hiring board on Oct 30, 2026. First seen by Alion on Oct 8, 2026. Isar Aerospace scores B on the Alion truth index.
Mission Brief
You are part of a team that performs development and verification tests on liquid rocket engines and their subsystems. Taking care of test preparation, maintenance and upgrades of the test bench.
Your Role in Our Space Mission:
- Plan and conduct rocket engine test campaigns together with propulsion development engineers
- Ensure safe operations by using and developing procedures and processes
- Take care of test preparations, troubleshooting, upgrades and maintenance of the test bench: both on paper and in reality
- Assist in designing and building test benches for propulsion testing
Qualification Checklist
- Enrolled in an engineering bachelor’s or master’s degree in the field of aerospace, mechanical engineering or similar
- Ideally available for a 6-month internship
- First hands-on experience in development or testing of complex systems, preferably involving extreme operating conditions such as cryogenic temperatures, high pressures, or high temperatures. Such experience can come from either relevant positions held, or internships, clubs, and other extra-curricular activities
- Capable of designing fluid and mechanical systems from theoretical concept to realisation and commissioning
- Able to perform in high-stress environments, maintaining focus and concentration for long durations
- Physical dexterity is required as working in confined spaces is necessary. Able to lift and carry 25kg
- Fluent in English
Bonus Skills
- Hands-on experience with fluid system and piping/tubing
- Experience with at least one programming language (Python, Matlab, C, C#, Cobol...)
- Knowledge of hazardous systems (cryogenic, flammable, explosive, or similar)
Benefits
- Relocation help: we can provide housing in Kiruna
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.