Fuel Economy Performance Test Engineer Jobs (NOW HIRING)

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Date: Aug 10, 2026

Company: PACCAR

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 also designs and manufactures advanced power trains, provides financial services and information technology, and distributes truck parts related to its principal business.

On highways, construction sites, city streets, logging roads - everywhere our customers earn their living - Peterbilt's red oval is a familiar symbol of performance, reliability, and pride. Peterbilt has reigned as America's premium quality truck manufacturer since the company's founding in 1939. Our dedication to deliver products and services focused on improving customers' performance, image, profitability, and peace of mind truly makes Peterbilt the Class of the Industry.

The Vehicle Performance Test Engineer will be responsible for quantifying product performance and identifying opportunities for improvement through baselining current products, benchmarking competitive products, and conducting research and development. Focus will be primarily on the Vehicle Property of Fuel Economy but may also include additional responsibilities supporting other assignments of the Vehicle Properties and Performance group.

Responsibilities will include but may not be limited to:

• Lead and/or participate in the planning and execution of test plans
• Instrument and de-instrument test articles
• Direct and/or conduct research, concept development, and evaluations
• Conduct in-depth data analysis to reveal root causes, generate reports, and present findings to management and others to initiate changes for improvement
• Advocate for product improvements utilizing various methods
• Develop, utilize, and maintain test methods, procedures, and equipment as necessary
• Support definition and establishment of performance targets
• Support definition of new products and support throughout the development process
• Travel to customer sites to collect data and resolve performance concerns

• Bachelor degree in Engineering or related field required
• 4+ years of relevant experience
• Previous testing experience or strong desire as career interest required
• Class A Commercial Driver's License (CDL-A) or strong desire to obtain required
• Proficiency with MS Word, Excel, and PowerPoint required

• Proficient and/or experienced in conducting data analysis and generating graphs/charts preferred
• Experience presenting to Sr. Management and leading others through non-direct reporting roles preferred
• Knowledge of and/or experience in heavy truck components and systems preferred
• MatLab, VBA, and/or LabView programming experience preferred
• Strength in handling multiple tasks and projects preferred

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

• 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 (additional days are provided with additional seniority/years of service), 12 paid holidays, and sick time
• 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 programs
• Life and accidental death and dismemberment insurance
• EAP services including wellness plans, estate planning, financial counseling and more
• This position is also eligible for a holiday gift.

PACCAR is an E-Verify & Equal Opportunity Employer/Protected Veteran/Disability corporation.Peterbilt promotes Diversity and Inclusion through mentorship, events, and affinity support groups - The Diversity Council, Peterbilt Women's Initiative (PBWIN), Veterans Group, Peterbilt Black Organization for Leadership & Development (B.O.L.D.),and ADVOCATE (an LGBTQ+ support group).

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