
Heartaerospace · Los Angeles
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 ...
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 800 km. Heart is targeting type certification of the ES-30 by the
end of the decade.
Your mission
We are seeking a highly motivated Turbomachinery Engineer to join our Propulsion team. You will lead the design and integration of
the turbomachinery components, including the fuel system and pitch control system. You will interface across mechanical, thermal,
electrical, and control systems to deliver a fully integrated and certifiable propulsion unit.
similar.
Skills & Requirements
propellers, and ancillary systems.
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 We are seeking a highly motivated Power Electronics Engineer to join our Propulsion team. You will lead the design and integration of the hybrid propulsion, including but not limited to the inverters, motors, HV cables, with batteries, and in parallel with Turbomachinery. You will interface across mechanical, thermal, electrical, and flight control systems to deliver a fully integrated and certifiable hybrid Electric Propulsion Unit (EPU). Key responsibilities include but are not limited to: * This role is a Responsible Engineer (RE) who focuses on the integration of power electronics and high voltage electrical systems into our hybrid aircraft. * Full ownership over design, fabrication, commissioning, and certification of the hybrid propulsion system. * Lead and execute system-level tests, such as motor and propeller test stands. * Collaborate with suppliers to ensure delivery of integrated, certifiable subsystems. * Model the electrical and power electronics systems in to our high fidelity Digital Twin for optimization of our hybrid mission profile. * Perform topology selection trade studies. You'll Bring These Qualifications: * 2+ years of professional experience working with power electronics components. * Strong experience in high voltage power electronics design (+800V) including AC/DC inverters, and DC/DC converters. * Strong understanding of HV filter design, grounding analysis, coordination of protective devices. * Hands-on experience with integration of propulsion and/or powertrain test stands, including instrumentation, controls, and mechanical assembly. * Extensive experience with Altium/cadence/similar), circuit analysis (spice), gate driver design, and lab work (common tools like oscilloscopes, network analyzers) * Experience with C/C++, Python, Matlab/Simulink, or PLECS. * Strong knowledge of Avionics communication, ARINC, CAN, and Ethernet. * Strong understanding of Microcontrollers, Multicore processors, Firmware Development, and digital power conversion. These Qualifications Would Be Nice to Have: * Understanding of certification requirements (EASA CS-23/25 or FAA FAR Part 23/25). * Knowledge of hardware design and airworthiness DO-178C, DO-254, DO-160. * Demonstrated leadership qualities through cross-functional teamwork on challenging problems. * Working knowledge of EMI/EMC, underlying physics and specifications, along with best practices for design, and strategies. * Hands on experience with Matlab/Simulink Auto Code Generation. Education * Master’s or PhD degree in Electrical Engineering with focus on Power Electronics, or Power Systems. Base Pay Range: $124,000—$216,000 USD
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. Transmission system includes but is not limited to shaft, drive shafts, couplings, gearbox, and disconnect systems. 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: * This role is a Responsible Engineer (RE) who focuses on the integration of hybrid transmission systems into our hybrid aircraft. * 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. * Nonlinear static and Dynamic analysis of structures and rotor systems. * 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). You'll Bring These Qualifications: * 3+ years of experience in mechanical transmission design, preferably in aerospace or automotive sectors. * Aircraft or rotorcraft rotor dynamics and external loads analysis. * Hands-on experience in testing and validation of rotating machinery. * Proficiency in CAD tools (e.g., CATIA, Siemens NX) and CAE tools FEA, Python, Ansys for structural analysis and Github. * 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). * Knowledge of aerospace airworthiness standards, e.g. DO-254, and DO-160. * Experience with electric or hybrid propulsion systems. Education * Master’s or PhD degree in in Aerospace Engineering, Mechanical Engineering, or a relevant discipline. Base Pay Range: $124,000—$155,000 USD
Here at The Exploration Company, we are developing, producing, and operating Nyx, a modular and reusable space orbital vehicle that can eventually be refuelled in orbit and that can carry cargo - and potentially humans in the longer run. We are also developing different types of propulsion systems to power our future vehicles and missions. As a talented Turbomachinery AIT Engineer, you will be responsible for supporting the development and production ramp-up of our e-pumps for the Huracan engine. KEY RESPONSIBILITIES In your capacity as a Turbomachinery AIT Engineer, your role will be continuously evolving, but day to day your duties will include: * Prepare and execute assembly and test procedures for electric pump hardware, including inspection plans, acceptance testing and engine integration * Design and implement tooling for assembly and testing of pump components * Lead high-precision mechanical assembly of electric pump hardware (bearings, rotors, stators, seals) * Manage fluid interfaces and instrumentation on test articles, supporting integration at pump and engine levels * Support test preparation and execution with internal and external test bench teams * Act as a technical interface with design engineering teams, providing feedback for manufacturability, assembly, integration, and testability (MAIT) * Collaborate closely with multidisciplinary teams and external partners, including design engineers, AIT engineers and technicians, suppliers, and test facility operators, throughout the full test article lifecycle WHAT WE WOULD LOVE TO SEE FROM YOU * Bachelor's, master's or PhD in aerospace engineering, mechanical engineering, or related field (master's and above preferred). * 1+ years of experience in turbomachinery MAIT or closely related fields with fluidic experience (Engineer I) * Hands-on experience with pump or rotating machinery testing (or equivalent experimental work) * Familiarity with dynamic seals, bearings, and manufacturing processes (e.g. machining, welding, additive manufacturing, surface treatments, inspections) and their impact on tolerances and performance is highly valued * Solid understanding of cryogenics, thermodynamics, and fluid dynamics * Solution-oriented mindset, with the creativity and curiosity to tackle complex technical challenges * Strong communication skills, with the ability to collaborate effectively in multidisciplinary teams Why you should join us! What makes us special here at The Exploration Company and why we think you will enjoy working here is: * We’re Agile - we make decisions fast whilst keeping our goals and systems in mind * We’re Open and Collaborative - we are transparent about risks and obstacles, so that we can cooperate to overcome them * We have a lot of Fun - we refuel our energy knowing we are democratising space. It’s a wonderful and rare opportunity, are YOU up for the challenge? We'd love to hear from you if you wish to be a part of our journey. Please submit your CV now for immediate consideration and we will be in touch shortly. The Exploration Company is an equal opportunity employer and values diversity. We do not discriminate based on race, religion, colour, national origin, gender, sexual orientation, age, marital status or disability status. Relocation assistance is provided for those willing to relocate including visa sponsorship where applicable. All offers are contingent upon the successful completion of a background check, which will be subject to the country, role, and project you applied for. By submitting your application, you acknowledge and agree that any offer of employment may be conditional upon successful condition of this check. The Exploration Company partners with Zinc Work Limited located in the UK (Zinc), a third-party provider, to ensure this process as efficient and transparent as possible. If applicable, you will receive an email from Zinc upon acceptance of your offer with a link to a secure portal where you can provide the required information to Zinc.