Requisition Summary

The Vehicle Software and Diagnostic Test Engineer plays a key role in driving the quality and performance of PACCAR’s DAVIE4 Service Tool—the powerhouse behind deploying and updating vehicle software and delivering diagnostics for Kenworth and Peterbilt trucks. In this fast‑paced role, you’ll jump into in‑vehicle testing, tackle complex technical challenges, and collaborate across PACCAR divisions to troubleshoot issues and keep development moving forward. You’ll also help elevate our test benches by integrating new hardware and enhancing automation scripts, ensuring our tools stay sharp, efficient, and ready for what’s next.

Division Information

The PACCAR Technical Center provides engineering excellence to the truck and engine divisions of PACCAR Inc through innovative product development and testing. The Technical Center is located in the Skagit Valley about 65 miles north of Seattle, Washington.

Job Functions / Responsibilities

Perform vehicle and engine diagnostic software testing using both test benches and in‑vehicle setups
Plan, coordinate, and execute small to moderate‑scope projects with minimal supervision
Ensure all functionality is validated through comprehensive, executable test cases
Recommend the most effective test method (bench or in‑vehicle) based on engineering judgment and system capabilities
Validate defect fixes for closure and provide stakeholders with clear assessments of customer impact
Foster strong communication and maintain productive working relationships across teams

Qualifications

3+ years of engineering experience
Foundational understanding of software testing principles and test methodologies
Familiarity with Controller Area Network (CAN) protocols, especially J1939
Ability to interpret simple to moderately complex electrical systems and schematics
Strong collaboration skills and ability to work effectively in a team environment
Proven ability to summarize technical issues and communicate clearly with diverse stakeholders
Strong workload management skills, with flexibility and initiative to adapt to shifting project priorities
Strong presentation skills

Education

BS Degree in Computer Engineering, Electrical Engineering, Computer Science, or applicable field

Paccar Benefits

As a U.S. PACCAR employee, you have a full range of benefit options including:

Competitive salary and 401k with up to a 5% company match
Fully funded pension plan that provides monthly benefits after retirement
Comprehensive paid time off – Minimum of 10 paid vacation days, 12 paid holidays, and sick leave
Tuition reimbursement for continued education
Medical, dental, and vision plans for you and your family
Flexible spending accounts (FSA) and health savings account (HSA)
Paid short-and long-term disability program
Life and accidental death and dismemberment insurance
EAP services including wellness plans, estate planning, financial counseling and more
Global Fortune 500 company with a wide array of growth and development opportunities
Work alongside experienced goal-oriented colleagues recognized as experts in their field

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. The salary range for Vehicle Software and Diagnostics Tool Test Engineer is $80,800 - $120,800 annually. Additionally, this role is eligible for a full range of benefit options listed above.

Vehicle Software and Diagnostics Tool Test Engineer

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