Fluid Systems / Process Design Engineer

Ottobrunn, GermanyPosted Jun 25, 2026
Back to jobsFluid Systems / Process Design EngineerOttobrunn, Bavaria, GermanyApplyMission Brief  We deliver the half of the rocket that stays on the ground. As a Fluid Systems Design Engineer at the Ground Systems department of Isar Aerospace, you deliver the ground fluid infrastructure required for safe, reliable, and rapid test and launch of the Spectrum rocket. This includes test-rigs for development, qualification, and acceptance of launch vehicle and propulsion systems as well as entire launch bases. You work hand-in-hand with Propulsion and Launch Vehicle development teams to translate their requirements into functional designs and concepts of operations. You tackle complex engineering challenges across multiple projects and phases – from concept to detail design, execution, commissioning, and handover to site owner and operator.      Your Role in Our Space Mission:  Design fluid systems for test and launch facilities, including rocket engine test-rigs, structure pressurization test-rigs, integrated stage testing rigs, launch pads, etc.  Perform sizing calculations and/or numerical simulations for fluid systems, including cryogenic propellants storage, conditioning, and distribution systems, high-pressure gas distribution and pressurization systems, etc.  Select and procure suitable fluid hardware, including tanks, pumps, heat-exchangers, valves, pressure regulators, safety-valves, instrumentation, etc.  Prepare technical documentation, such as PFDs and P&IDs, hardware lists, datasheets, technical notes etc. that serve as a basis for manufacturing planning and execution  Lead and contribute to system design reviews and risk assessments  Depending on interest and experience:  lead or support factory and site acceptance tests for fluid systems  lead or participate in commissioning planning and hands-on site operations   support test and launch campaigns on-site or remotely with operations or data analyses.    Qualification Checklist  Education and Experience:  B.Sc. or M.Sc. degree in aerospace, mechanical, process/energy/chemical engineering or an equivalent qualification  0 to 5 years of relevant professional experience  Hard Skills:  In-depth knowledge of fluid mechanics and thermodynamics and their application to real hardware like valves, regulators, etc.  Strong analytical skills and able to apply theoretical knowledge to find practical solutions to complex fluid mechanic and/or thermodynamic engineering problems  Basic knowledge in the design and/or operation of high-pressure gas and cryogenic liquid systems for rocket testing and launching facilities  Soft Skills:  Adjusting self-sufficiently and quickly to a changing work environment  Highly organized, effective team player with high attention to detail  Proactive, open, effective, and constructive communication   Can-do attitude and desire to go out of your way to help others  Available for occasional international travel to our test and launch sites  Languages  Fluent in English  Bonus Skills  Modeling and simulation of fluid systems by means of software such as EcosimPro, Python/Matlab scripts, and Excel sheets  Hands-on experience with fluid systems, e.g., assembly of piping systems, participating in commissioning or testing operations, etc.  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:...

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