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Senior Mechanical Design Engineer - Routings & Electrical

Paccar

Kirkland, WA · Posted October 19, 2026

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About the job

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.

Kenworth Truck Company

Kenworth Truck Company, founded in 1923, is the manufacturer of The World’s Best® heavy and medium duty trucks. With an excellent heritage of quality, innovation and technology, Kenworth has played an essential role in the development of trucks that are more fuel efficient, productive, and economical to operate. Today, Kenworth is leading transportation innovation with the introduction of battery-electric vehicles, exploration of fuel cell electric powertrains, and autonomous driving systems. Kenworth is committed to fostering an environment of diversity, equality and inclusivity in the workplace.

Requisition Summary

This position within Kenworth R&D will be responsible for air, electric, and fluid routings focused engineering design, development, and integration. Duties involve root cause analysis, problem definition, problem resolution and collaboration with other engineers on advanced proof of concept vehicle development projects.

Engineering projects may include proof of concept design and build, support of system integration projects on various powertrains, and single vehicle improvement projects.

The Mechanical Engineer will collaborate with suppliers and other divisions within PACCAR.

Job Functions / Responsibilities

Identify and initiate routing designs of complex nature and conduct necessary research incidental to design.

Complete design projects through the processes of planning, concept development, calculation and design analysis, design review, testing, evaluation, and implementation.

Handle multiple tasks concurrently.

Manage supplier activities related to design and manufacture of components.

Apply knowledge of stress analysis and FEA.

Apply knowledge of various materials and manufacturing processes to positively influence designs.

Apply knowledge and skills in Creo and Windchill functionality, particularly Creo cabling.

Coordinate and complete projects and design efforts with other engineering groups and departments within the company as directed.

Analyze data from warranty claims to support current and future designs.

Apply a proactive hands-on approach to defining issues and reaching early resolution with consensus from all stakeholders.

Demonstrate professional and successful communication skills (verbal/written) with strong, effective interpersonal abilities.

Act in a professional manner in all contact with external and internal customers.

Up to 10% travel may be required.

Qualifications and Education

5+ years Design experience with routings of electric harnessing or fluid hoses is required.

Bachelor's degree in Mechanical Engineering, Electrical Engineering or related degree is required. Hiring level will be determined by related experience and education.

Knowledge of and/or experience in heavy truck assembly, heavy truck components and systems is preferred.

5+ years Design experience with routings of electric harnessing or fluid hoses is required.

Previous Design experience with Creo Parametric is heavily preferred, particularly Creo Cabling software.

Knowledge of vehicle routings and respective systems including engine, transmission, aftertreatment, coolant, fuel, air, battery cables and electric harnessing.

Knowledge of chassis layouts and system design is preferred.

Knowledge of component analysis & validation techniques is preferred.

Proficiency with PowerPoint and excellent presentation skills.

Proficiency with Excel.

Ability to learn quickly and adapt to change.

Ability to maintain progress on multiple projects and/or tasks.

Demonstrated ability to negotiate effectively by advocating for strategic objectives and/or procedural requirements.

Knowledge of vehicle vocations, applications, and how the customer uses the truck.

Desire to obtain CDL.

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

PACCAR is an Equal Opportunity Employer/Protected Veteran/Disability and E-Verify Employer. 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 Design Engineer - Routings & Electrical is $104,100 - $162,900 annually. Additionally, this role is eligible for the full range of benefit options listed above.