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Aftertreatment Controls Engineer Job
Paccar | Mount Vernon, Washington
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Job Description

Requisition Summary

The highly qualified and motivated Aftertreatment Controls Engineer will work at the Technical Center in Mount Vernon, Washington. We are looking for an ambitious individual who will thrive in an environment of opportunity, creativity, and innovation to develop premium, world class products.

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 premium light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates 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, engine, and winch 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. 

Job Functions / Responsibilities

  • Coordinate with European and North American PACCAR divisions to support successful product launch
  • Develop calibration guidelines and performance specifications for production aftertreatment systems
  • Determine and recommend optimal strategies and calibration to support aftertreatment system requirements
  • Develop and implement comprehensive test plans to verify aftertreatment hardware and software performance in-vehicle and on dyno
  • In-vehicle evaluation and optimization of diesel exhaust aftertreatment systems
  • Coordinate and lead extreme environmental condition testing


  • Minimum 5 years of relevant work experience in truck or automotive engine/aftertreatment systems controls. 
  • Knowledge of diesel engines, exhaust systems and emissions approaches applicable to class 5-8 vehicles
  • Familiarity with active diesel particulate filters, selective catalytic reduction, and urea delivery systems.
  • Experience with engine or aftertreatment calibration, data acquisition systems, on-board diagnostics, and engine control systems
  • Organized and disciplined with the ability to react to shifting time and project demands.
  • Self-directed with excellent analysis, decision-making and communication skills
  • Ability to independently coordinate and lead product development efforts
  • Ability to travel up to 10%, including occasional international travel


BS in engineering or appropriate technical field required, MS degree preferred.

Additional Job Board Information

PACCAR is an Equal Opportunity Employer/Protected Veteran/Disability.

About Paccar

PACCAR Inc, operates through two segments: design, manufacture and distribution of light-, medium- and heavy-duty trucks and related aftermarket distribution of parts, and finance and leasing services provided to customers and dealers. The Company's finance and leasing activities are principally related to Company products and associated equipment. Other manufactured products include industrial winches. The Company and its subsidiaries design and manufacture heavy-duty diesel trucks, which are marketed under the Kenworth, Peterbilt and DAF nameplates. The Truck and Other businesses include a division of the Company, which manufactures industrial winches in two United States plants and markets them under the Braden, Carco, and Gearmatic nameplates. In North America, Australia and 16 European countries, the Company provides financing and leasing arrangements, principally for its manufactured trucks, through wholly owned finance companies operating under the PACCAR Financial trade name. (Source: 10-K)

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