C

Hardware-in-the-Loop (HIL) Engineer

United States
Relocation
This Job is No Longer Active This position is no longer accepting applications

Design and develop HIL test benches for full effector system integration, including flight controllers, ESCs, sensors, and ground control systems. Collaborate with GNC, software, and systems engineers to validate software and firmware changes before flight testing. Requires 3+ years of hands-on HIL/SIL simulation experience and proficiency in real-time simulation platforms.

Key Highlights
Design and build HIL simulation environments for autonomous systems
Integrate high-fidelity flight dynamics and sensor models
Develop automated test suites and regression frameworks
Work with GNC, software, and systems engineers on validation
Key Responsibilities
Design and develop HIL test benches for full effector system integration, including flight controllers, ESCs, sensors, and ground control systems
Integrate high-fidelity simulation models (flight dynamics, actuator, and sensor models) that accurately replicate real-world behavior
Integrate hardware components - including autopilot boards, communication links, power systems, and peripherals - into HIL systems
Develop automated test suites and regression frameworks to validate software and firmware changes against HIL environments
Collaborate with software and integration/test engineers to define test plans and acceptance criteria for new features and hardware releases
Debug complex hardware-software interactions by analyzing HIL test data, logs, and telemetry
Maintain and improve test infrastructure, including simulation software, real-time targets, and data acquisition systems
Document test methodologies, procedures, and results clearly for cross-functional team use
Support transition of HIL-validated systems to integration and flight test phases
Technical Skills Required
Hardware-in-the-loop testing Real-time simulation platforms Python and C/C++ programming Flight controller software (PX4, ArduPilot) Communication protocols (MAVLink, CAN, UART, SPI, I2C)
Benefits & Perks
Medical, dental, and vision benefits 100% paid by company
401k with 50% company match up to 6% of pay
FSA, HSA, life insurance
Free daily lunch
No meeting Fridays
Unlimited PTO
Casual dress code
Nice to Have
Master's degree in Engineering
Experience with ROS or ROS 2
Familiarity with MATLAB/Simulink
Exposure to flight test operations
FPGA firmware development
Embedded Linux environments
RF systems, GPS signal simulation, or sensor fusion techniques
FAA Part 107 certification or equivalent UAV operational credentials

Job Description

CHAOS Industries is redefining modern defense with a multi-product portfolio that gives the ultimate advantage—domain dominance. The company's products are powered by Coherent Distributed Networks (CDN™), empowering warfighters, commercial air operators, and border protection teams to act faster, adapt rapidly, and stay ahead of evolving threats.CHAOS Industries was founded in 2022 and has raised a total of $1 billion in funding from leading investors, including 8VC, Accel, and Valor Equity Partners. The company is headquartered in Los Angeles, with offices in Washington, D.C., San Francisco, San Diego, Seattle, and London. For more information, please visit www.chaosinc.com.
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