Senior ECU Test Engineer
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Job overview
Paccar Winch Inc. is hiring a Senior ECU Test Engineer. The Senior ECU Test Engineer will lead hardware‑in‑the‑loop testing of vehicle ECUs, coordinate with product development, and drive quality improvements through innovative testing while meeting program schedules, budgets, and customer expectations.
Key focus areas include Ensure requirements are covered by defined test cases while ensuring quality, Collaborate effectively with a multi‑disciplinary team of software development, electrical engineering, control system development, information technology and other test engineers, and Lead test planning and execution within area of responsibility.
Important skills include Solving Complex Technical Problems, Lean Methodologies, Six Sigma Methodologies, and Communication. Preferred (not required): Hardware In The Loop Testing, Test Planning, Test Execution, and Technical Mentorship.
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Date: Jul 27, 2026
Location: Mount Vernon, WA, US, 98273-9671
Company: PACCAR
The Senior ECU Test Engineer will be responsible for Hardware in the Loop (HiL) testing of ECUs with PACCAR Electronics developed software. The successful candidate will coordinate with the product development team to improve quality through innovative testing, while meeting program schedules, budgets and customer expectations.
Location : Mount Vernon, WA
About 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 Electronics
The 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 Responsibilities
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Ensure requirements are covered by defined test cases while ensuring quality.
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Collaborate effectively with a multi-disciplinary team of software development, electrical engineering, control system development, information technology and other test engineers.
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Lead test planning and execution within area of responsibility.
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Provide technical mentorship to develop test engineers on team.
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Identify and lead implementation of continuous improvement initiatives to improve quality and efficiency, including increasing test automation.
Required Qualifications & Skills
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Bachelor’s degree in engineering, computer science, or a related technical discipline.
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7+ years of professional experience in a related engineering field, including 3 or more years in a vehicle software development or testing role.
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Ability to thrive in a fast-paced, results-driven environment, managing multiple projects and adapting to shifting priorities.
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Experience solving complex technical problems using lean or six sigma methodologies.
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Excellent written and verbal communication skills.
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Ability to travel up to 10%, including internationally.
Preferred Qualifications & Skills
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Experience with design & release of automotive or commercial vehicle systems.
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Experience testing software against requirements using virtualization and/or automation.
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Experience implementing AI into product development or testing processes.
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Experience with Automotive SPICE (Software Process Improvement and Capability Determination) framework.
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Experience with ISO26262.
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Advanced degree or Professional Engineer license.
PACCAR Benefits
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401k with up to a 5% company match
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Fully funded pension plan that provides monthly benefits after retirement
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Comprehensive PTO – minimum of 10 paid vacation days (additional days are provided with additional seniority/years of service), 12 paid holidays, and sick time
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Tuition reimbursement for continued education
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Medical, dental, and vision plans for you and your family
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Flexible spending account (FSA) and health account (HSA)
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Paid short-and-long-term disability programs
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Life and accidental death and dismemberment insurance
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EAP services include wellness plans, estate planning, financial counseling and more
Additional Job Board Information
PACCAR 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 Senior ECU Test Engineer is $104,100 - $162,900 annually. Additionally, this role is eligible for a full range of benefit options listed above. This position is also eligible for a holiday gift.
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