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Associate System Integration and Test Engineer

Paccar

Mount Vernon, WA · Posted November 4, 2026

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About the job

Requisition Summary

The Associate System Integration and Test Engineer develops and executes manual and automated test cases for integrating and verifying PACCAR vehicle control systems. The engineer is also responsible for reviewing assigned requirements documentation as well as verifying and documenting defects. This role works closely with PACCAR development teams and other testing groups to drive system quality, assist with increasing test coverage, and support delivering reliable systems that meet program schedules, budget targets, and customer expectations.

Company Information

PACCAR is a Fortune 500 company established in 1905. PACCAR Inc is recognized as a global leader in the commercial vehicle, financial, and customer service fields with internationally recognized brands such as Kenworth, Peterbilt, and DAF trucks. PACCAR is a global technology leader in the design, manufacture and customer support of high-quality light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates. PACCAR designs and manufactures advanced diesel engines and also provides customized financial services, information technology and truck parts related to its principal business.

Whether you want to design the transportation technology of tomorrow, support the staff functions of a dynamic, international leader, or build our excellent products and services — you can develop the career you desire with PACCAR. Get started!

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.

Whether you want to design the transportation technology of tomorrow, support the staff functions of a dynamic, international leader, or build our excellent products and services — you can develop the career you desire with PACCAR. Get started!

Job Functions / Responsibilities

Integrate and verify system functionality within a defined, limited scope, following established processes and procedures

Develop, execute, and maintain test scripts for PACCAR vehicle systems based on requirements documentation

Recommend best testing methods using either Hardware-in-the-Loop (HIL) or vehicles

Assist with configuration of HIL test setups, including selecting appropriate hardware and software components

Collaborate with cross-functional teams to ensure testing coverage of requirements

Troubleshoot and debug issues in test setups and test scripts, escalating complex issues as needed

Qualifications

0 - 3 years of relevant experience

Excellent written and verbal communication skills

Ability to manage personal workload and willingness, flexibility and initiative to respond to shifting time and project demands

Experience with automotive or commercial vehicle system design or hands-on verification/validation preferred

Familiarity or proficiency using HIL equipment preferred

Education

BS Degree in Electrical Engineering, Computer Engineering, or related technical discipline

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 Associate System Integration and Test Engineer is $70,500 - $105,800 annually. Additionally, this role is eligible for a full range of benefit options listed above. Visa sponsorship or immigration support is not available for this position. Candidates must be currently authorized to work in the United States and able to maintain that authorization throughout their employment without requiring employer sponsorship . This position is also eligible for a holiday gift.