Thermal Test Engineer (m/f/d)

As a Thermal Test Engineer, you will perform thermal, thermal vacuum and climatic tests during the development, qualification and acceptance of components and subsystems for our Launch Vehicle.
You will be in close contact with the avionics, propulsion, and launch vehicle teams, being one of the first to operate their parts on simulated flight conditions and helping figure out the failure modes and improvements needed.

Responsibilities

• Plan, prepare and execute qualification, acceptance and development test‑campaigns
• Post‑process and evaluate test data, write reports according to internal standards
• Monitor test operations and activities
• Develop and maintain internal test standards, procedures and sequences
• Maintain, calibrate, and upgrade testing equipment and facilities
• Ensure adherence to safety and environmental standards
• Assist in designing test rigs and laying out sensors

Qualifications

• B.Sc / M.Sc in aerospace, mechanical engineering or a related field
• Relevant experience in hardware qualification & acceptance for Aerospace in thermal, thermal vacuum and climatic testing
• Hands‑on experience with thermal vacuum chambers, other climatic testing chambers and thermometry
• Understanding of Aerospace test standards such as SMCS, RCC, etc. and command over them to perform test requirement tailoring
• 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)

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!
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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.