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Date: Jul 1, 2026
Location: Kirkland, WA, US, 98033
Company: PACCAR
Kenworth Division of PACCAR is hiring a Senior Mechanical Engineer - Aftersales Engineering to join our engineering team in Kirkland, Washington.
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 also designs and manufactures advanced diesel engines, provides financial services and information technology, and distributes 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!
Kenworth Truck Company
Kenworth Truck Company is the manufacturer of The World's Best® heavy and medium duty trucks. Kenworth is an industry leader in providing fuel-saving technology solutions that help increase fuel efficiency and reduce emissions. The company's dedication to the green fleet includes aerodynamic trucks, compressed and liquefied natural gas trucks, and medium duty diesel-electric hybrids. Kenworth is the first truck manufacturer to receive the Environmental Protection Agency's Clean Air Excellence award in recognition of its environmentally friendly products.
Requisition Summary
Do you have a passion for problem solving and customer satisfaction? Look no further, t he Kenworth Aftersales Engineering Department is seeking a Mechanical Engineer. The Aftersales Engineering group's mission is to help identify and resolve product field issues prioritized by customer impact and cost savings, improving customer uptime, and reducing warranty spend. The Aftersales Mechanical Engineer will work on prioritized field issues to develop/design solutions improving customer uptime and satisfaction. Join a group of high-performing professionals who pride themselves in developing innovative solutions. See your designs making a difference on the open highway!
Job Functions / Responsibilities
Participate in the design of heavy-duty trucks within the Aftersales Engineering group, with a focus on improving field reliability and quality.
Analyze and troubleshoot field failures to find the root cause of symptoms in vehicle systems.
Perform the design and development of assigned elements for: hoods, fittings, chassis, suspension, engine and after treatment systems.
Provide interface documentation to wiring design, system architect(s), and mechanical design groups.
Contribute to development of procedures and practices that ensure quality and reliable systems.
In-depth analysis of warranty data to support issue identification and root cause analysis.
Experience in using data to identify priorities and the drive to meet and exceed department and division goals
Integrate components, features, and requirements into Kenworth/PACCAR vehicles.
Manage suppliers, engineering, and project management process to maintain schedule, quality and functionality.
Track and report on progress toward warranty and downtime reduction goals
Plan and track validation testing of components.
Support solution launches at vehicle assembly plants.
Ensure industry leading quality and reliability is met, maintained, and exceeded on all components.
Apply creativity to design tasks and propose innovative approaches to standard work.
Work with cross functional teams on warranty reduction project initiation, design, validation, product release, and field support.
Work through the Product Creation Process utilizing Tollgate to manage projects, report updates and utilize Six Sigma methodologies.
Manage multiple priorities and goals simultaneously.
Utilize Creo Parametric to create optimized parts and complex assemblies.
Up to 10% travel.
Qualifications:
BSME or equivalent engineering degree required.
Master's degree in engineering and P.E. certificate are always a plus
3-5+ years of experience required in the specification and design of complex automotive or commercial vehicle systems or industry-related background is strongly desired.
Proficiency using Requirements Management tools, Systems Engineering tools, Pro/E or other 3D CAD software also desired.
Competence in the use of personal computer software such as word processing, databases, and spreadsheets.
Engineering knowledge of heavy-duty commercial truck safety systems, regulations, especially in the areas of operating, service, and performance environments.
Experience creating engineering documentation including preparation of component drawings and diagrams.
Experience responding to Requests for Engineering Information, writing Engineering Change Notices, test coordination, support for production, and customer service.
Knowledge or understanding of SQL/databases.
Solid understanding of Design for Six Sigma and Six Sigma techniques.
Willing to learn and use new engineering processes and techniques and be resourceful in solving complex technical problems.
Experience in product development and new product implementation.
Able to work in a team environment.
Experience with project management tools, word processing, spreadsheets, and databases.
Willingness to grow personally and professionally.
Why work for PACCAR/Kenworth?
Global Fortune 500?Company with a wide array of growth and development opportunities
Work alongside experienced goal-oriented colleagues recognized as experts in their fields
Support and/or design the commercial vehicles of the future with a focus on emerging technologies such as electric and autonomous trucks
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 include wellness plans, estate planning, financial counseling and more
Additional Job Board Information
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 the Senior Mechanical Engineer - Aftersales Engineering is $86,900 - $136,300 annually. This position is also eligible for a holiday gift. Additionally, this role is eligible for the full range of benefit options listed above.
PACCAR is an Equal Opportunity Employer/Protected Veteran/Disability and E-Verify Employer.
