> Markdown version of [/jobs/ext/2573021-hardware-in-the-loop-hil-development-engineer](https://www.wearedevelopers.com/jobs/ext/2573021-hardware-in-the-loop-hil-development-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Hardware in the Loop (HIL) - Development Engineer - **Company:** THE PHOENIX - **Location:** Los Angeles, CA, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Automation of Tests, System Configuration, MATLAB, Real Time Simulation, Simulink, Software Requirements Analysis, Stateflow, Test Scripts, Information Technology, Modeling and Simulation - **Published:** August 2, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=fd5f247eef4a7c34 ## About the Role * Experience with Full lifecycle HITL Development, Architecture Design, Simulator Integration, and Platform Configuration. * The ability to manage multiple projects simultaneously. * Modeling and simulation abilities using (matlab, simulink, stateflow, and simscape power systems). * Familiarity with hardware environments with OpalRT (or similar) real-time simulators, signal conditioning, and interface mapping. * Advanced test automation framework development, test scripting, and Fault Injection Testing. * Past experience managing test reporting, closing out design/verification reviews, and ensuring rigorous data traceability. * Additional experience/knowledge with locomotive embedded systems design a plus., Bachelor of Science in Electrical, Computer Science or a Technical Discipline with 3 to 6 years of related experience. ## Description The Hardware-In-Test-Loop (HITL) Development Engineer is responsible for all activities related to the development, maintenance, execution, and automation of HITL environments used for the validation of locomotive traction/propulsion, auxiliary systems, power electronics, and embedded control software. This role works closely with Drives Control, Systems, Software, and Verification teams to build comprehensive real-time simulation environments that support product development and validation lifecycle. Responsibilities: * Work cross functionally to identify and capture requirements to execute the full lifecycle development of HITL solutions. * Define simulator I/O requirements, and specify interface mapping and signal conditioning based on system requirements and control architecture.. * Develop and release real-time simulation models for traction motors, power converters, energy storage systems, braking systems, and various locomotive/off-highway vehicle (OHV) sub-systems. * Create automated test frameworks, write test scripts and sequences, design fault injection scenarios, and execute closed-loop control validation. * Integrate new control software releases into active HITL platforms and update real-time plant models accordingly * Maintain and update official HITL design documentation, test procedures, and platform configuration documents. ## Related Videos - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Software stack under and over the hood of the fastest accelerating car in the world](https://www.wearedevelopers.com/videos/221-software-stack-under-and-over-the-hood-of-the-fastest-accelerating-car-in-the-world) - [How to develop an autonomous car end-to-end: Robotic Drive and the mobility revolution](https://www.wearedevelopers.com/videos/22-how-to-develop-an-autonomous-car-end-to-end-robotic-drive-and-the-mobility-revolution) - [Code to Road in < 12 hours](https://www.wearedevelopers.com/videos/1082-code-to-road-in-12-hours) ## Related Articles - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Top 6 Hackathons for Developers in 2023](https://www.wearedevelopers.com/magazine/263-top-6-hackathons-for-developers-in-2023) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)