Heart Aerospace · 4 months ago
Senior Propulsion Test Engineer
Los Angeles, CA
Full-time
Onsite
Senior Level
5+ years expHeart Aerospace is developing the ES-30, a regional hybrid-electric airplane, and is seeking a Senior Propulsion Engineer to join their Dynamic Propulsion team. The role involves leading the testing, validation, and certification of the aircraft's hybrid-electric powertrain system, while collaborating with various teams to ensure performance and safety compliance.
Aerospace
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, including instrumentation, safety systems, control systems, and data acquisition
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 for integrated propulsion systems
Coordinate with suppliers and external labs to support component and system-level testing
Analyze test data, prepare reports, and provide feedback to design teams for iterative development
Support environmental, endurance, fault-injection, and compliance testing for certification readiness
Qualification
Required
5+ years of professional experience in powertrain, propulsion, or test engineering, with electric or ideally hybrid-electric systems
Hands-on experience designing and operating powertrain or propulsion test stands with complex instrumentation and control
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 (current/voltage sensors, thermocouples, strain gauges)
Experience developing automated test procedures and control scripts (e.g., Python, LabVIEW, or similar)
Strong analytical skills in interpreting test data and diagnosing system performance and failure modes
Understanding of high voltage safety standards and procedures for testing environments
Bachelor's or Master's degree in Mechanical, Electrical, Aerospace Engineering, or related fields
Preferred
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
Company
Heart Aerospace
Heart Aerospace is a Swedish startup making electric regional airplanes.
11-50 employees
H1B Sponsorship
Heart Aerospace has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (2)
2024 (1)
Funding
Current Stage
Growth StageTotal Funding
$147.17MKey Investors
Alumni VenturesEuropean Innovation CouncilY Combinator
2024-02-01Series B· $107M
2023-01-01Series Unknown
2021-07-13Series A· $35M
Leadership Team
Ben Stabler
Chief Technology Officer
Recent News
impactloop.com
2025-12-29
2025-10-10
Company data provided by crunchbase