Senior Prototyping Engineer (f/m/d) – Aircraft Engine

As a Senior Prototyping Engineer, you own the integration and validation of the hybrid propulsion system for a next-generation eVTOL platform. You’ll collaborate with propulsion, mechanical, electrical, avionics, and systems teams to ensure safe, reliable, and efficient operation through the prototype cycle. You’ll design test rigs, run endurance and performance campaigns, and implement improvements based on results. This role offers influence over system integration in a cutting-edge, mission-critical platform.

• Company pension scheme
• Flexible working hours
• Mobile working
• Bike-Leasing
• Corporate Benefits (discounts)
• Lunch-Card

• Lead integration of hybrid propulsion (engine, fuel system, generator, power electronics) into the prototype aircraft
• Develop and validate fuel storage, distribution, and delivery systems (tanks, pumps, filters, valves, sensors, plumbing)
• Design, build, and commission test rigs and dedicated test stands
• Plan and execute functional, endurance, and performance tests for fuel and hybrid power systems
• Set up, integrate, commission, and troubleshoot engines, generators, fuel systems, and control interfaces
• Analyze performance, reliability, and failure modes; implement design improvements from testing
• Collaborate with propulsion, mechanical, electrical, controls, and systems engineering teams to optimize integration
• Prepare technical documentation, verification reports, test procedures, and engineering recommendations

• Degree in Mechanical, Aerospace, Aeronautical, Electrical Engineering, or related field
• 5+ years of experience integrating and testing combustion engines, hybrid propulsion systems, gensets, fuel systems, or power generation systems
• Hands-on experience with IC engines and fuel systems integration and testing
• Strong understanding of fuel systems, fluid dynamics, pressure systems, combustion engines, generators, electrical power systems, and hybrid propulsion architectures
• Experience designing, building, and operating test setups and validation rigs
• Experience with instrumentation, sensors, CAN, embedded systems, avionics integration, and data acquisition
• Programming experience using Python, MATLAB, C++, LabVIEW (advantage)
• Strong analytical and troubleshooting skills; cross-functional collaboration; hands-on prototype focus
• Fluent in English; German is a plus

• cross-functional collaboration
• analytical mindset
• hands-on problem solving
• internal combustion engines
• hybrid propulsion systems
• fuel systems and components