Propulsion Test Engineer

About the Company

At Heart Aerospace we develop the ES-30, a regional hybrid-electric airplane with a capacity of 30 passengers, an electric zero-emission range of 200 km and an extended hybrid range of 400 km. Heart is targeting type certification of the ES-30 by the end of the decade.

Responsibilities

• Lead and execute system-level powertrain testing, including electric motor, inverter, gearbox, disconnect systems, and propeller subsystems
• Design and commission hybrid-electric propulsion test stands, HIL, and Digital Twin
• Plan, execute, and document test campaigns to verify performance, safety, and certification compliance
• Collaborate with cross-functional teams to develop test procedures and test plans
• Coordinate with suppliers and external labs to support component and system-level testing
• Analyze test data, prepare reports, and provide feedback to design teams
• Support environmental, endurance, fault-injection, and compliance testing

Requirements

• Bachelor’s or Master’s degree in Mechanical, Electrical, Aerospace Engineering, or related fields
• 2+ years of professional experience in powertrain, propulsion, or test engineering
• Hands-on experience designing and operating powertrain or propulsion test stands
• Deep understanding of electric powertrains including motors, inverters, batteries, and thermal management systems
• Proficiency with data acquisition systems (e.g., dSPACE, NI, Dewesoft) and instrumentation
• Experience developing automated test procedures and control scripts (e.g., Python, LabVIEW)
• Understanding of high voltage safety standards and procedures

Preferred Qualifications

• Familiarity with aerospace certification requirements (EASA CS-23/25 or FAA FAR Part 23/25)
• Experience with DO-160 or MIL-STD environmental test standards
• Experience with root cause analysis and tools such as DFMEA and fault tree analysis
• Background in hybrid propulsion systems or aerospace propulsion integration