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Zipline

Robot type
Drone
Location
South San FranciscoCaliforniaUSA
Job type
Hardware
Posted
Sep 4, 2026
Salary
$180,000–$255,000 a year
Full-time

Senior/Staff Systems Modeling Engineer, Electric Propulsion

Job description

Our customers include the world’s largest and most prominent healthcare systems, governments, retailers, restaurants and global businesses who rely on us to save lives, reduce emissions, increase economic opportunity, and provide delivery from point A to point B as fast as possible. The drone is only 15% of what we’ve built to enable seamless, reliable, global operations.

Our system strengthens supply chains, reduces congestion, and gives people time back. With more than 140 million commercial autonomous miles safely flown, Zipline is redefining access to healthcare, consumer products, and food across the globe.

We operate at a global scale and are looking for practical problem solvers who…

Job responsibilities

  • Own the electric-propulsion modeling roadmap, framework, validation standards, and deployment of validated models across aircraft programs.
  • Lead trade studies that inform propulsion architecture, sizing, operating limits, thermal management, control strategies, and performance optimization.
  • Develop and validate physics-based models of electric propulsion systems across multiple levels of fidelity, supporting aircraft simulation, hardware design, controls development, and fleet operations.
  • Design and lead characterization campaigns for parameter identification and model validation, defining test requirements, instrumentation, and procedures for dynamometer, thrust stand, wind tunnel, and thermal testing.
  • Build and own clean, modular, object-oriented modeling frameworks and engineering tools that are maintainable, reusable, and scalable across aircraft programs.
  • Continuously improve model fidelity by comparing predictions against laboratory testing and production flight data, identifying model deficiencies, and deploying validated improvements that increase predictive accuracy…
  • Partner closely with electrical, mechanical, thermal, controls, flight test, manufacturing, and fleet operations teams to translate modeling insights into better products and engineering decisions.

Job requirements

  • M.S. or Ph.D. in Electrical Engineering, Mechanical Engineering, Aerospace Engineering, or a related field.
  • Familiarity with motor and inverter loss mechanisms and modeling approaches.
  • Experience using high-fidelity electromagnetic and thermal simulation tools such as ANSYS Motor-CAD, ANSYS Maxwell, JMAG, COMSOL, ANSYS Icepak, or similar.
  • Familiarity with production telemetry, fleet operations, or hardware test data for engineering model validation and continuous improvement.

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