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isaraerospace

Propulsion Test Engineer (m/f/d)

€480k – €600k/yr Multiple locations on-site full time mid Mar 3, 2026

About this role

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 chambers 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 http://www.isaraerospace.com/ Data Protection We process your personal data for the purpose of managing the recruitment process and assessing your application. For detailed information on how your data is processed, including your rights, please refer to our https://isaraerospace.com/privacy-policy. 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. Offices: Ottobrunn, Bavaria, Germany (Ottobrunn, Germany);
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