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Senior Thermal Engineer (m/f/d)

isaraerospace

OttobrunnFull Time
Launch Vehicle Structures
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Senior Thermal Engineer (m/f/d) at isaraerospace is a full time role based in Ottobrunn. Listed skills: Launch Vehicle Structures. It was published on 8 September 2026 and was open at last check.

Senior Thermal Engineer (m/f/d) at isaraerospace — key details
RoleSenior Thermal Engineer (m/f/d)
Companyisaraerospace
LocationOttobrunn
Employment typeFull Time
Skills listedLaunch Vehicle Structures
Published8 September 2026
StatusOpen at last check

<p><strong><span lang="EN-US">Mission Brief&nbsp;</span></strong></p>

<p><span lang="EN-US">You will be responsible for defining the thermal environment and architecture of the vehicle, ranging from detailed thermal modeling and system level coupled loads analyses and to active and passive thermal control design. You will be in charge of the development, execution, and correlation of thermal models using FEM/FDM/FVM tools and test data. The decisions you make will directly support hardware qualification, test planning, and system-level design choices, ultimately enhancing the thermal robustness, performance, and reliability of the vehicle throughout its mission.</span></p>

<p><span class="TextRun SCXW114497174 BCX8" lang="EN-US" data-contrast="auto"><span class="NormalTextRun CommentStart CommentHighlightPipeRest CommentHighlightRest SCXW114497174 BCX8">Your Role in Our Space Mission</span><span class="NormalTextRun CommentHighlightRest SCXW114497174 BCX8">:</span></span><span lang="EN-US"><span class="EOP CommentHighlightPipeRest SCXW114497174 BCX8" data-ccp-props="{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}">&nbsp;</span></span></p>

<ul>

<li>Own the vehicle-level thermal architecture, including active and passive thermal control design for the avionic components and payloads</li>

<li>Perform Thermal Coupled Loads Analysis and develop detailed thermal models using FEM and/or FVM, FDM methods</li>

<li>Develop, execute, and correlate thermal models using tools such as SIMCenter, STAR-CCM+ and Thermal Desktop supported by component tests and flight data</li>

<li>Review, assess, and approve component- and assembly-level designs for thermal flight readiness</li>

<li>Create and maintain specifications and design documentation such as Fluid Plans, Test Plans and Procedures, Test and Analysis Reports, Instrumentation Plans, Work Instructions etc.</li>

<li>Develop tools, workflows, and standards to improve efficiency, consistency, and repeatability across thermal engineering activities</li>

<li>Support integration, test, and launch-site operations as subject-matter expert on system thermal performance</li>

<li>Support with your expertise other technical departments</li>

</ul>

<p>&nbsp;</p>

<p><strong><span lang="EN-US"><span class="EOP CommentHighlightPipeRest SCXW114497174 BCX8" data-ccp-props="{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:360}">Qualification Checklist&nbsp;</span></span></strong></p>

<p>&nbsp;</p>

<ul>

<li>Degree in the field of Aerospace of Mechanical Engineering, or similar</li>

<li>8+ years of relevant experience in the field of aerospace and thermal</li>

<li>Experience with thermal simulation tools (e.g. ANSYS, SIMCenter, Thermal Desktop)</li>

<li>Experience with coding (e.g. Python, MATLAB)</li>

<li>Holistic perspective on development of systems </li>

<li>Highly organized and proactive with high attention to detail </li>

<li>Good communication and organizational skills </li>

<li>Fluent in English </li>

</ul>

<p><span lang="EN-US">Bonus Skills</span></p>

<ul>

<li>Experience with environmental control system design</li>

<li>German language skills</li>

</ul>

<p><strong><span lang="EN-US">Benefits&nbsp;</span></strong></p>

<ul>

<li><strong>Employee Participation Program: </strong>Share in our success through our virtual company share program</li>

<li><strong>30 days of vacation: </strong>Enjoy the days off to relax and recharge</li>

<li><strong>Company pension plan:</strong> Secure your future with our company pension plan, featuring a 20% employer contribution after the probation period</li>

<li><strong>Subsidised lunch:</strong> Stay energised with delicious, subsidised lunches every day</li>

<li><strong>Public transport ticket: </strong>Commute with ease using a fully financed Deutschlandticket</li>

<li><strong>Sport Clubs membership: </strong>Stay fit with our sponsored sports club memberships (EGYM Wellpass)</li>

<li><strong>Individual learning allowance:</strong> Grow your skills with an individual learning budget granted after the probation period</li>

<li><strong>Childcare allowance:</strong> Receive a childcare allowance for your non-school-age children</li>

<li><strong>And Much More!</strong> Discover additional perks and benefits when you join our team&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</li>

</ul>

<p><strong><span lang="EN-US">Who we are</span></strong></p>

<p><strong><span lang="EN-US"><iframe src="https://www.youtube.com/embed/jW2V5vsMb_k" width="560" height="314"></iframe></span></strong></p>

<p><span lang="EN-US">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.</span></p>

<p><span lang="EN-US">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.</span></p>

<p><span lang="EN-US">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.</span></p>

<p><span lang="EN-US">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!</span></p>

<p><span lang="EN-US">Want to find out more about us?</span></p>

<p><span lang="EN-US">Visit </span><span lang="DE"><a href="http://www.isaraerospace.com/">www.isaraerospace.com</a></span></p>

<p><strong>Data Protection</strong></p>

<p>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 id="menur2mlt" class="fui-Link ___1q1shib f2hkw1w f3rmtva f1ewtqcl fyind8e f1k6fduh f1w7gpdv fk6fouc fjoy568 figsok6 f1s184ao f1mk8lai fnbmjn9 f1o700av f13mvf36 f1cmlufx f9n3di6 f1ids18y f1tx3yz7 f1deo86v f1eh06m1 f1iescvh fhgqx19 f1olyrje f1p93eir f1nev41a f1h8hb77 f1lqvz6u f10aw75t fsle3fq f17ae5zn" href="https://isaraerospace.com/privacy-policy" target="_blank">Privacy Policy</a>.</p>

<p><span lang="DE"><strong>Disclaimer<br></strong><span lang="EN-US">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.</span></span></p>

<p><span lang="DE"><span lang="EN-US"><span data-teams="true">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&nbsp;<a id="menur62cp" class="fui-Link ___1q1shib f2hkw1w f3rmtva f1ewtqcl fyind8e f1k6fduh f1w7gpdv fk6fouc fjoy568 figsok6 f1s184ao f1mk8lai fnbmjn9 f1o700av f13mvf36 f1cmlufx f9n3di6 f1ids18y f1tx3yz7 f1deo86v f1eh06m1 f1iescvh fhgqx19 f1olyrje f1p93eir f1nev41a f1h8hb77 f1lqvz6u f10aw75t fsle3fq f17ae5zn" href="https://deu01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fisaraerospace.com%2Fprivacy-policy&amp;data=05%7C02%7Cbritta.bonn%40ext.isaraerospace.com%7Cbf5a1173fd434834ab1c08dea5c061eb%7C50154d7ed4fe4770bb43bf09a927cc45%7C0%7C0%7C639130442882001477%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&amp;sdata=l1vw27o02fEuCFAICyAHO91ObS%2FjnXDl5woYeGiSRek%3D&amp;reserved=0" target="_blank">Privacy Policy</a></span></span></span></p>

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Senior Thermal Engineer (m/f/d) at isaraerospace — questions answered

What does the Senior Thermal Engineer (m/f/d) role at isaraerospace pay?

isaraerospace does not publish a salary on this Senior Thermal Engineer (m/f/d) listing, so OnJob shows no figure for it rather than an estimate. For what this role pays across the market, the OnJob salary guides aggregate the live listings that do disclose pay.

Where is the Senior Thermal Engineer (m/f/d) role at isaraerospace based?

isaraerospace lists this Senior Thermal Engineer (m/f/d) role in Ottobrunn, advertised as full time work at that location. Larger employers sometimes cover several sites under one city name, so confirm the exact office with isaraerospace before you apply.

What skills does the Senior Thermal Engineer (m/f/d) role at isaraerospace require?

The Senior Thermal Engineer (m/f/d) at isaraerospace listing names Launch Vehicle Structures. Those are the skills the employer put on the posting itself, so they are the ones worth matching in your profile and covering first in an interview.

Is the Senior Thermal Engineer (m/f/d) role at isaraerospace still open?

The Senior Thermal Engineer (m/f/d) posting at isaraerospace was open at OnJob's last check of the employer's careers page, having been published on 8 September 2026. OnJob re-checks source listings on each build and marks a role closed once it disappears, but listings can close without notice, so the employer's own page is the final word.

How do you apply for the Senior Thermal Engineer (m/f/d) role at isaraerospace?

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