Senior Prototyping Engineer (f/m/d), Thermal Systems & Cooling Integration

As a Senior Prototyping Engineer, Thermal Systems & Cooling 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 be responsible for the integration, development, and validation of thermal management and cooling systems for the aircraft. You will develop efficient cooling concepts for hybrid propulsion components, power electronics, avionics, and other heat-generating systems by optimizing airflow, aerodynamic cooling, and thermal integration. Working closely with mechanical, propulsion, and systems engineering teams, you will ensure reliable operation across demanding flight and environmental conditions.

01What is your Day to Day Mission

• Lead the integration and development of thermal management and cooling systems for UAVs.

• Design and optimize cooling concepts for combustion engines, generators, power electronics, avionics, and other onboard systems.

• Develop aerodynamic cooling solutions, including airflow management, ducting, air inlets and outlets, heat exchangers, and passive and active cooling concepts.

• Define thermal system architectures balancing cooling performance, weight, packaging, reliability, and manufacturability.

• Design, build, and commission prototype cooling test rigs and instrumentation for system validation.

• Plan and execute thermal, environmental, endurance, and performance test campaigns.

• Analyze thermal performance, airflow distribution, and system efficiency, implementing improvements based on test results.

• Collaborate closely with propulsion, mechanical, structures, and systems engineering teams to optimize thermal integration within the aircraft.

• Support simulation activities and correlate analytical models with physical test results where appropriate.

• Prepare technical documentation, verification reports, and engineering recommendations.

02What you bring to the team

• Degree in Mechanical, Aerospace, Aeronautical Engineering, Automotive Engineering, or a related discipline.

• 5+ years of experience developing and integrating thermal management or cooling systems in aerospace, automotive, motorsport, industrial machinery, or similar industries.

• Hands-on experience designing and integrating air-cooled systems, aerodynamic cooling solutions, or airflow management for engines, electronics, or other high-power systems.

• Strong understanding of heat transfer, fluid dynamics, cooling system design, airflow management, and thermal testing.

• Experience with cooling components such as heat exchangers, fans, ducting, air intakes, ventilation systems, and thermal insulation.

• Experience designing and executing engineering validation and prototype test campaigns.

• Familiarity with CAD tools (CATIA preferred); experience with CFD or thermal simulation tools is advantageous but not essential.

• Experience with thermal instrumentation, sensors, and data acquisition systems.

• Programming experience with Python, MATLAB, or similar data analysis tools is an advantage.

• Strong analytical, troubleshooting, and cross-functional collaboration skills.

• Fluent in English; German is a plus.

03Why 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.

04Our 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.

05About 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.

06Our 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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