Thrust Chamber Assembly Engineer (m/f/d)

Isar Aerospace SE; United States; On-site; USD 120,000 - 170,000; Full time

Benefits offered by this job

Employee Participation Program

30 days of vacation

Company pension plan

Subsidised lunch

Public transport ticket

Rental clothing with laundry service

Sport Clubs membership

Individual learning allowance

Childcare allowance

And Much More!

Job summary

Isar Aerospace seeks an experienced engineer to lead thrust chamber design and analysis for liquid propulsion systems. You will design injector heads, combustion chambers and nozzles, run CFD studies, and plan test campaigns, coordinating with production to ensure manufacturability and cost efficiency.

The role requires 4–5 years of relevant design experience, strong fluid dynamics and combustion knowledge, and proficiency in Python/MATLAB and CAD.

Qualifications

• MSc in mechanical or aerospace engineering or comparable experience.

Responsibilities

• Design injector heads, injector elements, combustion chambers and nozzles.
• Perform trade off studies and plan the technical roadmap for thrust chamber assemblies of pump fed, liquid propellant engines.
• Create thrust chamber subcomponent models and validate them against test data.
• Conduct detailed injection, combustion and cooling CFD studies to assess injector and cooling channel designs.
• Plan and execute subcomponent and integrated engine test campaigns, and analyse the data gathered.
• Collaborate with production to ensure designs are manufacturable, fast and affordable at scale.

Skills

Python

MATLAB

CAD (3D)

English fluency

CFD proficiency

Travel willingness

Education

MSc in mechanical or aerospace engineering

Job description

Mission Brief

You will join the Combustion Devices team and take responsibility for the thrust chamber assembly (TCA): injector head, combustion chamber and nozzle. You will design and analyse these components, plan and evaluate the tests that prove them, and work with production to make sure what you design can actually be built, quickly and at scale. This is a fast moving environment with a short design, build and test cycle.

Your Role in Our Space Mission:

• Design injector heads and injector elements, combustion chambers and nozzles.
• Perform trade off studies and plan the technical roadmap for thrust chamber assemblies of pump fed, liquid propellant engines.
• Create thrust chamber subcomponent models and validate them against test data.
• Perform detailed injection, combustion and cooling CFD studies to assess injector and cooling channel designs.
• Plan and execute subcomponent and integrated engine test campaigns, and analyse the data gathered.
• Work with the production teams to keep designs manufacturable, fast and affordable at scale.

Qualification Checklist

• MSc in mechanical or aerospace engineering, or a comparable technical discipline, or equivalent professional experience.
• Minimum of 4-5 years designing liquid rocket engine components.
• Excellent understanding of fluid dynamics, thermodynamics and combustion physics.
• Significant experience conducting reacting CFD of injectors and combustion chambers.
• Experience with gas/gas or gas/liquid injectors in high-pressure rocket combustors.
• Experience analysing test data from rocket combustors or comparable hardware.
• Proficiency in Python, MATLAB or a comparable programming language, and in 3D CAD.
• Fluent in English.
• Willingness to travel occasionally for test and launch operations.

Bonus Skills

• Experience planning and organising test campaigns together with several other parties.
• Working knowledge of manufacturing techniques such as additive manufacturing, CNC machining, brazing, welding or casting.

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
• Rental clothing with laundry service: Enjoy hassle-free workwear with our convenient rental clothing and laundry service
• 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 www.isaraerospace.com

Data Protection

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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.