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

As a Senior Prototyping Engineer – Hybrid Power & Fuel System Integration, you will become an integral part of our Prototyping team, supporting the development of our Reliant platform – a next-generation long-range eVTOL unmanned aerial system designed for demanding ISR and logistics missions. Reliant combines exceptional endurance, modularity, and operational flexibility to deliver mission-critical capabilities in the most challenging environments.

In this role, you will take ownership of the integration, development, and validation of the aircraft's hybrid power generation system, including the internal combustion engine, fuel storage and delivery system, generator, and associated electrical and control interfaces. You will ensure reliable, safe, and efficient operation of the complete propulsion system throughout the prototype development cycle by working closely with mechanical, electrical, propulsion, avionics, and systems engineering teams.

What is your Day to Day Mission:

• Lead the integration of the hybrid propulsion system, including the combustion engine, fuel system, generator, and power electronics into prototype aircraft.
• Develop and validate fuel storage, distribution, and delivery systems, including tanks, pumps, filters, valves, sensors, and plumbing.
• Design, build, and commission test rigs and dedicated test stands.
• Develop and execute functional, endurance, and performance test campaigns for fuel and hybrid power systems.
• Set up, integrate, commission, and troubleshoot combustion engines, generators, fuel systems, and associated control systems.
• Analyze system performance, efficiency, reliability, and failure modes, implementing design improvements based on test results.
• Collaborate closely with propulsion, mechanical, electrical, controls, and systems engineering teams to optimize system integration and aircraft performance.
• Prepare technical documentation, verification reports, test procedures, and engineering recommendations to support prototype development.

What you bring to the team:

• Degree in Mechanical, Aerospace, Aeronautical, Electrical Engineering, or a related field.
• 5+ years of experience integrating and testing combustion engines, hybrid propulsion systems, gensets, fuel systems, or power generation systems.
• Hands-on experience setting up, integrating, commissioning, and testing internal combustion engines and associated fuel systems.
• Strong understanding of fuel systems, fluid dynamics, pressure systems, combustion engines, generators, electrical power systems, and hybrid propulsion architectures.
• Experience designing, building, and operating engineering test setups, test stands, and validation rigs.
• Experience with instrumentation, sensors, CAN communication, embedded systems, avionics integration, and data acquisition.
• Programming experience using Python, MATLAB, C++, LabVIEW, or similar for test automation and data analysis is an advantage.
• Strong analytical, troubleshooting, and cross-functional collaboration skills with a hands-on approach to prototype development.
• Fluent in English; German is a plus.

Why Quantum-Systems:

• We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus.
• We are industry pioneers who are ambitious, bold, and visionary.
• We push limits, think outside-the-box and strive for technological excellence to shape the future of aerial data.
• We promise to be your runway for individual and professional growth.

Our benefits:

• Company pension scheme: We support you so that you can already make provisions for later.
• Flexible working hours: With trust-based working hours, you are not only responsible for your working hours, but also for your work-life balance.
• Mobile working: If it gets too turbulent for you in our office, you can get the necessary balance through mobile working.
• Bike-Leasing: We support you in staying environmentally mobile and healthy.
• Corporate Benefits: Your opportunity for attractive offers and discounts from well-known suppliers and brands, e.g. Adidas, Apple, Expedia.
• Employee events: We not only want to grow together, but also celebrate our successes together.
• Lunch-Card: Be powerful with delicious energy, daily lunch budget is sponsored.
• Company Shuttle: Enjoy our convenient shuttle service that picks you up from Pasing in Munich and brings you to our location, with return trips at the end of the workday.

About us:

Quantum Systems specialises in the development, design, and production of small Unmanned Aerial Systems (sUAS). The company’s range of electric vertical take-off and landing (eVTOL) sUAS are built to maximize range and versatility and to provide operators with a seamless user experience. By integrating cutting-edge software capabilities, like edge computing and real-time AI-powered data processing, Quantum Systems is building next-generation UAS for clients in defence, security, public sectors.

Our commitment:

We are an open-minded company that not only values diversity, but actively promotes it. Regardless of gender, age, ethnic origin, religion, sexual orientation or disability, we firmly believe that the diversity of our employees is an essential part of our success.

At our company, every voice is heard and every perspective is valued. We believe that our differences enrich us and help us to find creative solutions and generate innovative ideas. We pride ourselves on creating an inclusive work environment where all employees can reach their full potential.

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