Propulsion Test Design Engineer (m/f/d)
Confirmed on the employer's own hiring board on Oct 28, 2026. First seen by Alion on Oct 27, 2026. Isar Aerospace scores B on the Alion truth index.
Mission Brief
The Propulsion Test Design Engineer is part of a multidisciplinary team responsible for the development and verification testing of liquid rocket engines and their subsystems. The role focuses on the design, performance, maintenance, and continuous improvement of propulsion test facilities and ground support equipment, while supporting test operations, commissioning, and troubleshooting activities.
Your Role in Our Space Mission:
- Plan and execute maintenance, modifications, and upgrades of propulsion test facilities to support current and future test campaigns.
- Monitor, analyse, and improve the performance, reliability, and availability of facility systems through data analysis and troubleshooting.
- Design, build, and commission test benches, test equipment, and facility upgrades.
- Develop and improve procedures, risk assessments, and operational processes to ensure safe and efficient test operations.
- Perform fault investigations, root cause analysis, and corrective actions on facility systems and test equipment.
- Support test preparations, commissioning, test execution, and anomaly resolution in collaboration with test engineers, operators, and technicians.
Qualification Checklist
- Relevant engineering qualification or engineering bachelor’s or master’s degree 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. 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 realization 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
- 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
- Subsidised lunch: Stay energised with delicious, subsidised lunches every day
- Relocation support: Benefit from our relocation bonus with deductible expenses up to an agreed amount, as well as the option for subsidized temporary housing
- Transportation to/from work: Convenient and affordable transportation with company cars available for pick-up and drop-off at designated times
- Wellness allowance: Stay healthy and fit with our yearly 5.000 SEK allowance for wellness activities (e.g Gym, Massages)
- Individual learning allowance: Grow your skills with an individual learning budget granted after the probation period
- Physical and mental well-being: Access via OpenUp the online support from certified psychologists and lifestyle experts at no cost to you and your family
- 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.