Job Description

PACCAR Electronics is seeking a motivated and experienced ECU Test Engineer. Location: Mount Vernon, WAAbout PACCAR PACCAR, Inc. is a Fortune 500 company established in 1905 and is recognized as a global leader in the commercial vehicle, financial, and customer service fields. PACCAR is a global technology leader in the design, manufacture, and customer support of high-quality light-, medium- and heavy-duty trucks under its internationally recognized brands Kenworth, Peterbilt and DAF nameplates. PACCAR designs and manufactures advanced diesel engines and provides customized financial services, information technology and truck parts related to its principal business. About Global PACCAR ElectronicsThe Global PACCAR Electronics organization supports Kenworth, Peterbilt, and DAF by transforming how control systems and vehicle software are developed for commercial vehicle applications. GPE designs next‑generation vehicle controls, display systems, and autonomous technologies that raise the bar for customer productivity and safety.Whether on highways, construction sites, urban centers, or forest roads, PACCAR trucks are recognized for exceptional quality and performance. PACCAR Electronics is central to these product identities—delivering innovations from advanced PTO functionality to intuitive, high‑value digital displays. Join us as we grow and deliver PACCAR’s future in connectivity, cybersecurity, electrification, and autonomous systems.Job SummaryThe 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.Job ResponsibilitiesDevelop, 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.Qualifications & SkillsRequiredBachelor’s degree in engineering, computer science, or a related technical discipline. 3+ years of relevant industrial experience.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.PreferredExperience 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. Familiarity with Automotive SPICE (Software Process Improvement and Capability Determination) processes. Advanced degree or Professional Engineer (PE) licensure.PACCAR Benefits401k with up to a 5% company matchFully funded pension plan that provides monthly benefits after retirementComprehensive PTO – minimum of 10 paid vacation days (additional days are provided with additional seniority/years of service), 12 paid holidays, and sick timeTuition reimbursement for continued educationMedical, dental, and vision plans for you and your familyFlexible spending account (FSA) and health account (HSA)Paid short-and-long-term disability programsLife and accidental death and dismemberment insuranceEAP services include wellness plans, estate planning, financial counseling and moreAdditional Job Board InformationPACCAR is an Equal Opportunity Employer/Protected Veteran/Disability. At PACCAR, we value talent and promote growth and development. We carefully consider numerous compensation factors, including your education, training, or experience. Applicants and employees for this position will not be sponsored for work authorization, including, but not limited to H-1B visas, now or in the future. The salary range for the ECU Test Engineer is $80,800 - $120,800 annually. Additionally, this role is eligible for a full range of benefit options listed above. This position is also eligible for a holiday gift. #LI-DT1

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