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About the Role

Zipline's Systems Modeling Team develops physics-based models to architect, optimize, and validate aircraft hardware and operational systems. In this technical leadership role, you will own and advance Zipline’s electric propulsion modeling capability, defining the technical roadmap and making architecture, sizing, and design decisions. You will drive the complete lifecycle from model development through validation and deployment, connecting propulsion performance to system-level outcomes.

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 across the fleet.
Partner closely with electrical, mechanical, thermal, controls, flight test, manufacturing, and fleet operations teams to translate modeling insights into better products and engineering decisions.

Requirements

8+ years of industry experience developing and validating physics-based models for electric powertrains, aerospace systems, electric vehicles, robotics, or other complex electro-mechanical systems.
Strong heat-transfer fundamentals and experience building, parameterizing, and validating lumped-parameter thermal networks for electric machines or power electronics.
Track record of using quantitative analysis and modeling to drive engineering decisions, including design trade studies, operating limits, performance optimization, or system architecture decisions.
Demonstrated ability to design experimental characterization campaigns for parameter identification and model validation, including defining test plans, instrumentation, and measurement requirements.
Proficiency in MATLAB, Python, Julia, Rust, or similar languages, with experience developing clean, modular, object-oriented engineering code and reusable modeling frameworks.
Solid foundation in numerical methods, optimization, controls, and engineering model validation.
Excellent communication and collaboration skills, with the ability to influence cross-functional engineering decisions through quantitative analysis.
Ability and willingness to work onsite with cross-functional engineering teams. This role requires regular hands-on collaboration with hardware, testing, and flight operations.

Skills

Physics-based modeling
Electric propulsion systems
MATLAB
Python
Julia
Rust
Object-oriented programming
Numerical methods
Optimization
Controls
Engineering model validation
Heat transfer
Thermal networks
Electric machines
Power electronics
Quantitative analysis
Experimental characterization
Parameter identification
Test plan design
Instrumentation
Measurement requirements

Location

Onsite

Work Type

Full-time

Experience Level

8+ years of industry experience

Education Level

M.S. or Ph.D. in Electrical Engineering, Mechanical Engineering, Aerospace Engineering, or a related field (Preferred)

Salary/Compensations

$180,000 - $255,000

About the Company

Zipline is the world’s largest and most experienced drone delivery service, serving all humans equally by ensuring access to food, medicine and essential goods anytime, anywhere.
We design, build, and operate the world’s largest autonomous logistics system, delivering critical supplies quickly and reliably.
Zipline operates on four continents, makes a delivery somewhere in the world every 30 seconds, and has completed millions of deliveries.
Our customers include prominent healthcare systems, governments, retailers, restaurants and global businesses.
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 thrive on real-world challenges and rapid growth.
Our team is motivated by building systems that have a direct, meaningful impact on people’s lives and by scaling the future of logistics.
We are seeking people who sculpt from first principles, enjoy facing adversity, and can do the impossible at record breaking speeds.

Equal Opportunity

Zipline is an equal opportunity employer and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws or our own sensibilities.
We value diversity at Zipline and welcome applications from those who are traditionally underrepresented in tech.
As set forth in Zipline ’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.