> Markdown version of [/jobs/ext/2834991-ecu-test-engineer](https://www.wearedevelopers.com/jobs/ext/2834991-ecu-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). --- # ECU Test Engineer - **Company:** PACCAR Inc - **Location:** Mount Vernon, WA, United States - **Salary:** $70,500.0 - $105,800.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Code Coverage, Software Quality, Hardware-In-The-Loop Simulation, Software Engineering, Verification and Validation (Software), Information Technology, ECU-TEST - **Published:** September 10, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/88286257/1 ## About the Role PACCAR Electronics is seeking a motivated and experienced ECU Test Engineer., * Bachelor's degree in engineering, computer science, or a related technical discipline. * Ability to thrive in a fast-paced, results-driven environment, managing multiple projects and adapting to shifting priorities. * Excellent written and verbal communication skills. * Ability to travel up to 10%, including internationally. Preferred * Experience with automotive or commercial vehicle system design and release, or hands-on experience in software testing and validation. * Demonstrated ability to solve complex technical problems using Lean, Six Sigma, or similar structured methodologies. ## Description The Hardware-in-the-Loop (HIL) Test Engineer will be responsible for validating PACCAR Electronics-developed ECU software through HIL testing. This role partners closely with product development teams to drive software quality, enhance test coverage, and deliver reliable systems that meet program schedules, budget targets, and customer expectations., * Develop, execute, and maintain test plans and test cases to ensure full requirements coverage and high-quality software validation. * Plan and manage testing activities within assigned domains, tracking progress and reporting status to stakeholders. * Collaborate with cross-functional teams-including software development, electrical engineering, control system development, IT, and test engineering-to troubleshoot issues and ensure seamless integration. * Continuously enhance testing processes by increasing automation, improving test efficiency, and implementing best practices for quality assurance. ## Related Videos - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [Mutation Testing and Fuzzing in C#](https://www.wearedevelopers.com/videos/703-mutation-testing-and-fuzzing-in-c) - [Let's Talk Quality! - Lilia Gargouri](https://www.wearedevelopers.com/videos/1815-let-s-talk-quality-lilia-gargouri) - [Test-reduction - Doing more with less](https://www.wearedevelopers.com/videos/977-test-reduction-doing-more-with-less) - [Are you still programming unit tests or already generating?](https://www.wearedevelopers.com/videos/722-are-you-still-programming-unit-tests-or-already-generating) - [Agile work at CARIAD – Creating a customer web application for controlling the vehicle ](https://www.wearedevelopers.com/videos/200-agile-work-at-cariad-creating-a-customer-web-application-for-controlling-the-vehicle) ## 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) - [Integration And E2E Testing: Are They Complementary or Interchangeable?](https://www.wearedevelopers.com/magazine/86-integration-and-e2e-testing-are-they-complementary-or-interchangeable) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)