> Markdown version of [/jobs/ext/1737233-software-engineer-hil](https://www.wearedevelopers.com/jobs/ext/1737233-software-engineer-hil). 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). --- # Software Engineer (HIL) - **Company:** Radiant Industries - **Location:** El Segundo, CA, United States (Remote available) - **Experience:** Experienced - **Salary:** $124,500.0 - $172,725.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Automation of Tests, Computer Engineering, Software Debugging, DSpace, Field-Programmable Gate Array (FPGA), Hardware Design, Hardware-In-The-Loop Simulation, MATLAB, Software Architecture, Real Time Simulation, Software Requirements Analysis, Test Scripts, Hardware Testing, Integration Tests, Information Technology - **Published:** July 31, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=63e69cc7ed8c5bf2 ## About the Role * BS in Electrical Engineering, Computer Engineering, Mechanical Engineering, Computer Science, or a related field. * 3+ years developing hardware-in-the-loop systems. * Proficient in designing, implementing, and debugging software within HIL frameworks (dSPACE, Speedgoat, etc.). * Hands-on experience with automated test case development and generating comprehensive test reports. * Experience in MATLAB or Python for data processing, analysis, and visualization. * Skilled in electrical debugging and root cause analysis., * Practical knowledge of the fundamental concepts of controls, software testing, and test processes. * Hands-on skills to design, build, bring up, and debug test benches. * Experience with real-time simulation systems and FPGA-based hardware. * Strong understanding of control fundamentals and software testing processes. * Experience with trace capture tools or data acquisition and analysis tools. * Background in high-reliability, safety-critical, or regulated industry environments (aerospace, defense, nuclear, medical, or automotive). ## Description Radiant is seeking a Hardware-in-the-Loop (HiL) Engineer to develop Radiant's HiL systems for current and future products. In this role, you will be responsible for end-to-end development, including defining system requirements; supporting hardware sourcing and development; developing the software architecture; developing and maintaining the HiL software; developing and maintaining test automation; and supporting integration testing. This role is ideal for candidates comfortable working both autonomously and with an interdisciplinary team, as well as in early design architecture phases of development. You will have the opportunity to build electrical integration systems from the ground up that will drive success towards the first high-temperature gas-cooled portable microreactor ever to be commercialized., * Design, develop, and maintain hardware-in-the-loop (HIL) test bench systems. * Develop and maintain the HiL systems plant software. * Support building and configuring test hardware, including power supplies, actuator modeling, and sensor mapping. * Support integrating the HiL software with physics simulation models, including thermal, neutronics, and power generation simulation models. * Own schedule and vendor management for the HIL systems. * Own communication and integration between hardware, control systems, and software interfaces. * Drive optimization of test and validation processes and lead improvements in tooling and automation. * Support the planning, development, and execution of integration tests. * Lead design reviews and communicate technical decisions to cross-functional stakeholders. ## Related Videos - [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) - [Are Classical Automation Frameworks Dead? How AI Agents Are Transforming QA](https://www.wearedevelopers.com/videos/100243-are-classical-automation-frameworks-dead-how-ai-agents-are-transforming-qa) - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [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) - [Fighting test flakiness with time machines](https://www.wearedevelopers.com/videos/834-fighting-test-flakiness-with-time-machines) ## Related Articles - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)