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via ats_greenhouse · 19. Mai 2026 ·vor 25 Tagen

Thesis Student Propulsion (m/f/d)

isaraerospace

Ottobrunn

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Mission Brief The topic of your thesis revolves around the second design iteration of a heat exchanger for the tank pressurization system. This heat exchanger uses waste heat from the engine to increase the temperature of cryogenic helium before it is fed into the propellant tanks. The goal of this design iteration is to improve our understanding of the heat exchanger system (and its dynamics) and to reduce overall system mass and helium consumption. This will include testing of a sub-scale model of the pressurization system and heat exchanger, data analysis and model validation.
Your Role in Our Space Mission
<ul>
<li>Refine an existing system model of pressurization system and heat exchanger</li>
<li>Validate and tune model using experimental data and estimate the effect of soot deposition on heat exchanger performance</li>
<li>Using the validated system model to optimize a second iteration of the heat exchanger geometry</li>
<li>Assist in conducting experimental campaigns and data analysis</li>
<li>Analyze start-up transients of heat exchanger outflow using model and test data</li>
<li>Defining parameters for a temperature control system for the pressurization helium </li>
</ul>
Qualification Checklist 
<ul>
<li>B.Sc. in Aerospace Engineering, Mechanical Engineering, or similar</li>
<li>Robust fundamentals of fluid dynamics and thermodynamics</li>
<li>Experienced with reduced order systems modelling</li>
<li>Experienced in working with high-pressure fluid systems</li>
<li>Proficiency in Python or similar programming language</li>
<li>Hands-on experience in test preparation and operation</li>
<li>Robust skills in data analysis and preparation of post-test data reviews</li>
<li>Passion for rocket propulsion and space</li>
<li>Ability to effectively collaborate on multi-disciplinary and cross-functional teams</li>
<li>Willingness to travel in support of launching and testing hardware</li>
<li>Fluent in English </li>
</ul>
Bonus Skills
<ul>
<li>Experience using EcosimPro/ESPSS</li>
<li>Experience in assembling and operating test setups for rocket engine testing</li>
<li>Experience preparing risk assessment for test setups </li>
</ul>
Benefits
<ul>
<li>Subsidised lunch: Stay energised with delicious, subsidised lunches every day</li>
<li>Public transport ticket: Commute with ease using a fully financed Deutschlandticket</li>
<li>Sport Clubs membership: Stay fit with our sponsored sports club memberships (EGYM Wellpass)</li>
<li>Free snacks and drinks: Indulge in a variety of free snacks and beverages to keep you fuelled throughout the day</li>
<li>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</li>
<li>And Much More! Discover additional perks and benefits when you join our team. </li>
</ul>
Who we are
<iframe src="https://www.youtube.com/embed/jW2V5vsMb_k" width="560" height="314"></iframe>
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 <a href="http://www.isaraerospace.com/">www.isaraerospace.com</a>
 
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 <a href="https://isaraerospace.com/privacy-policy">Privacy Policy</a>.
 
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.
 
We use Metaview to record interview audio so our team can review it later and stay focused during the conversation. We will record interviews only if you opt in. Please note that we will request your consent separately during the interview process. Participation is completely voluntary and will not affect your application in any way. For more information on how we process your personal data, please see our <a href="https://deu01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fisaraerospace.com%2Fprivacy-policy&data=05%7C02%7Cbritta.bonn%40ext.isaraerospace.com%7Cbf5a1173fd434834ab1c08dea5c061eb%7C50154d7ed4fe4770bb43bf09a927cc45%7C0%7C0%7C639130442882001477%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=l1vw27o02fEuCFAICyAHO91ObS%2FjnXDl5woYeGiSRek%3D&reserved=0">Privacy Policy</a>

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Thesis Student Propulsion (m/f/d)

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