> Markdown version of [/jobs/ext/588517-hil-test-engineer](https://www.wearedevelopers.com/jobs/ext/588517-hil-test-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). --- # HIL Test Engineer - **Company:** Optimal Inc. - **Location:** Dearborn, MI, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Testing (Software), JIRA, Automation of Tests, Embedded Software, Hardware-In-The-Loop Simulation, Python (Programming Language), Simulink, Software Systems, Verification and Validation (Software), Test Execution Engine, Scripting, Safety Critical Systems, Bug Reporting, Information Technology, Automotive Software, ECU-TEST - **Published:** June 21, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=21697a3f31829c28 ## About the Role Do you have experience in Validation design?, * Test Automation, Software Testing, Embedded Software * Test Automation Tools such as ECU test, or scripting skills such as python coding language * Software Testing Model in the Loop (MiL), Software in the Loop (SiL), or Hardware in the Loop (HiL) test experience Embedded Software Automotive software development or validation experience (embedded software being software that is part of an electronic hardware module) * Testing Tools, Test Execution, Technical Requirements, Test Planning, Requirements Analysis, Embedded Software * Testing Tools ECU Test, Vector CANape, Matlab Simulink, etc. * Test Execution MiL/SiL/HiL testing, dSPACE tools, etc. * Detailed embedded software requirements * Test Planning Project management skills and tools such as Jira for time management * Requirements Analysis Experience authoring or reviewing technical engineering requirements Experience Required: * Bachelor of Science degree in Electrical Engineering, Mechanical Engineering or Computer Science, or related degree, or foreign equivalency degree, or a combination of equivalent experience and education * 2+ years of experience in software validation, software systems engineering, or embedded controls systems development * Develop detailed software test specifications and design verification plans for vehicle control systems and features * Support new development of MiL/SiL/HiL based software validation from in-vehicle validation * Develop automations within our requirement and DVP&R tools and/or using Python for consistent, robust, release-based testing Perform functional validation using Model-in-the-Loop (MiL), Software-in-the-Loop (SiL), and, Bachelor's Degree ***HYBRID / 4 days per week in the office as required ## Description Vehicle control systems embedded software gets more complex every year, and we are looking to expand upon our capabilities to ensure the software we release is of the highest quality. We lead validation of safety-critical systems such as braking, steering, and suspension, and we are looking for innovative, driven, systems-focused engineers., * Hardware-in-the-Loop (HiL) environments Collaborate closely with multiple HiL teams to execute validation plans and troubleshoot issues * Analyze results for compliance to requirements * Investigate and triage software bug reports from the field and other validation teams * Deep-dive into high priority software bugs and develop action plans for preventing recurrence * Lead expansion of software test plans for complete coverage to requirements (fault insertion, negative-testing, etc.) ## Related Videos - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [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) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [Integrate your Cognitive Assistant with 3rd-party DBs and software](https://www.wearedevelopers.com/videos/249-integrate-your-cognitive-assistant-with-3rd-party-dbs-and-software) - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Integration And E2E Testing: Are They Complementary or Interchangeable?](https://www.wearedevelopers.com/magazine/86-integration-and-e2e-testing-are-they-complementary-or-interchangeable) - [How to create a test plan for software testing](https://www.wearedevelopers.com/magazine/56-how-to-create-a-test-plan-for-software-testing) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering)