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.