Propulsion Valves Engineer; m​/f​/d

As Propulsion Development Engineer in the Engine Valves Team, you will design and procure valves for the propulsion system. This includes creating CAD models and drawings, overseeing production and testing from prototypes to serial production, and managing requirements. You will be actively involved in prototyping and development testing and may need to travel to Isar’s test and launch facility locations.

Your Role in Our Space Mission:

• Demonstratedability to address engineering tasks through a structured and solution-orientedmethodology
• Define the requirements and specifications for the valve in collaboration with the involved Propulsion teams
• Calculate and design valves based on requirements and conduct design reviews
• Prepare and organize the manufacturing of valves and address manufacturing issues
• Oversee andoptimizethe assembly of your valves
• Plan, supervise, and evaluate valve tests, including development acceptance, qualification, and integrated testing
• Participate in and supervise integrated system tests and analyze the data
• Ensurecomponentand system performance and reliability throughout the valves’ life cycles by development tests, design reviews, and post-test data analysis

Qualification Checklist

• M.Sc. or M.Eng. in Aerospace Engineering, Mechanical Engineering, or a similar field
• Hands‑on experience with testing preparation, operation, and post‑test data review
• Experience in machining processes and creating drawings
• Proficiency in CAD software (preferably Solid Works or Siemens NX)
• Knowledge of Python or similar programming languages
• Systematic approach to analyzing and resolving engineering problems
• Demonstrated ability to address engineering tasks through a structured and solution-orientedmethodology
• General understanding of rocket designand passion for rocket propulsion and space
• Ability to collaborate effectively on multi‑disciplinary and cross‑functional teams
• Highly organized, proactive, and detail‑oriented
• Motivated and eager to learn
• Willing to travel to support launching and testing operations

Bonus Skills

• Hands‑on testing experience with fluid systems, including cryogenic fluids and oxygen compatibility
• Knowledge of technical drawing standards and materials science
• 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…