Associate ECU Test Engineer
Mount Vernon, WAJob$71–106K/yrSeen todaySeen in employer's feed today
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Job overview
PACCAR Electronics is seeking an Associate ECU Test Engineer to validate ECU software through hardware-in-the-loop testing. The role partners with product development teams to improve software quality, test coverage, and system reliability while meeting program schedules, budget targets, and customer expectations. The engineer develops and maintains test plans and cases, manages testing activities, collaborates across engineering and IT teams, and improves testing processes through automation and quality practices.
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Date: Nov 3, 2026
Location: Mount Vernon, WA, US, 98273-9671
Company: PACCAR
PACCAR Electronics is seeking a motivated and experienced Associate ECU Test Engineer.
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 Summary
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.
Job Responsibilities
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Develop, execute, and maintain test plans and test cases to ensure full requirements coverage and high-quality software validation.
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Plan and manage testing activities within assigned domains, tracking progress and reporting status to stakeholders.
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Collaborate with cross-functional teams—including software development, electrical engineering, control system development, IT, and test engineering—to troubleshoot issues and ensure seamless integration.
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Continuously enhance testing processes by increasing automation, improving test efficiency, and implementing best practices for quality assurance.
Qualifications & Skills
Required
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Bachelor’s degree in engineering, computer science, or a related technical discipline.
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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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Excellent written and verbal communication skills.
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Ability to travel up to 10%, including internationally.
Preferred
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Experience with automotive or commercial vehicle system design and release, or hands-on experience in software testing and validation.
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Demonstrated ability to solve complex technical problems using Lean, Six Sigma, or similar structured methodologies.
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 Associate ECU Test Engineer is $70,500 - $105,800 annually. Additionally, this role is eligible for a full range of benefit options listed above. This position is also eligible for a holiday gift.
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How this job compares
Set against the 3,103 open Test Engineer jobs on Olive Jobs, counted November 4, 2026.
- Pay
- This posting$71–106K/yr
- Washington median$110–160K/yr112 salary ranges
- US median$102–161K/yr2,075 salary ranges
This range's midpoint, $88K, is 36% below the Washington median midpoint ($139K) — in the lowest quarter of Test Engineer salary ranges in Washington.
- Openings
- Olive Jobs lists 146 open Test Engineer jobs in Washington and 3,103 across the US. 2% of them nationwide are listed as remote or flexible.
- Experience
- Test Engineer postings that state a minimum ask for 5 years of experience at the median; the middle half ask for 2 to 5 years (2,603 postings).
- Education
- This posting asks for a bachelor's degree; 1,685 of the 3,103 open Test Engineer jobs (54%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 4, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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