Propulsion Transmission Engineer

Propulsion, Transmission Engineer Los Angeles On-site Yearly salary: $124,000 - $155,000 I'm interested Los Angeles On-site Yearly salary: $124,000 - $155,000 Job Description 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. Your mission As a Propulsion Engineer focused on Transmission, you will be essential in designing, developing, and integrating the mechanical power transmission system within our hybrid-electric propulsion framework. You will collaborate closely with teams from various disciplines, including electric propulsion, turbomachinery, software, and structural engineering, to create robust, lightweight, and high-efficiency transmission solutions. This role demands a high level of technical expertise in mechanical design and a strong understanding of propulsion systems. Key responsibilities include but are not limited to: Design and develop gearbox and mechanical power transmission systems for electric and hybrid-electric propulsion. Perform sizing, strength, thermal, and NVH (noise, vibration, harshness) analyses of transmission components. Work closely with suppliers and manufacturing partners to guide component development, material selection, and manufacturing processes. Define requirements, specifications, and interface documents for transmission subsystems. Lead and support testing and validation efforts including test rig development, instrumentation, and data analysis. Collaborate with propulsion integration teams to ensure seamless integration into the aircraft. Support certification and compliance activities in alignment with aviation regulatory bodies (e.g., EASA, FAA). Skills & Requirements You'll Bring These Qualifications: 3+ years of experience in mechanical transmission design, preferably in aerospace or automotive sectors. Hands-on experience in testing and validation of rotating machinery. Proficiency in CAD tools (e.g., CATIA, Siemens NX) and CAE tools for structural and thermal analysis. Experience with gear design, bearings, lubrication systems, and housing structures. These Qualifications Would Be Nice to Have: Understanding of certification requirements (EASA CS-23/25 or FAA FAR Part 23/25). Experience with electric or hybrid propulsion systems. Education Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or a related field. About the company Heart Aerospace has a clear mission. We work to decarbonize and democratize air travel. We believe in electrification. Not only to bring down emissions and build a sustainable future, but to make flying accessible for the many, around the world. Electric planes are cheaper to operate and can unlock convenient and effective regional traveling, a market that today is restricted by the difficulty of making a sustainable profit. Our mission is about taking electrification to the skies, helping our customers build their businesses, and the traveling public to access an amazing and sustainable service. Working at Heart Aerospace is not just a career; it is a chance to directly make the world more accessible and sustainable. Come help us write a new chapter in the history of aviation together! We seek experienced and skilled professionals to join our fast-moving team developing a new electric aircraft. We’re in a very expansive phase and now is the time to join our team! Visit our career site and check out what it is like working at Heart. Heart Aerospace is committed to equal employment opportunity and providing reasonable accommodations to qualified candidates and employees pursuant to applicable law. We value and encourage diversity and solicit applications from all qualified applicants without regard to race, color, gender, sex, age, religion, creed, national origin, ancestry, citizenship, marital status, sexual orientation, physical or mental disability, medical condition, gender identity or expression, genetic information, or any other characteristic protected by law. Heart Aerospace participates in E-Verify. I'm interested MapTiler OpenStreetMap contributors + − MapTiler OpenStreetMap contributors Heart Aerospace Los Angeles | On-site Visit website #J-18808-Ljbffr Heart Aerospace