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Senior Engine Aftertreatment Technical Engineer



Mt Vernon, WA, USA
Posted on Tuesday, June 25, 2024

Requisition Summary

PACCAR Technical Center is seeking a hands-on engineer with strong mechanical and electrical skills to support the development of engine aftertreatment systems as part of the PACCAR Global Engines team.

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!

Job Functions / Responsibilities

  • Troubleshoot electrical, hardware, DTC and software issues using development tools, schematics and engineering drawings on test vehicles
  • Configure test vehicles including updating vehicle and engine software, installing and coordinating the installation of test hardware and instrumentation
  • Complete testing activities for engineers in test cells and vehicles and report back with data and testing summary
  • Train drivers and technicians on the correct test procedures and support creation of test standards
  • Ability to clearly organize and post-process collected test data and support troubleshooting data discrepancies
  • Clear communication to the team and management regarding continuous improvement of processes and procedures
  • Document failures and support verification of fixes
  • Support local and offsite testing activities including remote testing locations
  • Maintain positive working relationship with other groups at the PACCAR Technical Center and other PACCAR divisions


  • 8+ years of experience in the automotive or diesel field
  • Familiar with current diesel exhaust aftertreatment technology (DOC, DPF, SCR & DEF)
  • Comfortable with PC based automotive diagnostic programs and Microsoft Office
  • Knowledge of ATI vision and Cummins Calterm a plus
  • Must be self-directed, organized and able to target timely completion of tasks and projects
  • Ability to work well independently and as part of a team
  • Must be able to manage personal workload and have the willingness, flexibility, and initiative to respond to shifting time and project demands
  • Class A CDL holder is desired, must be capable of completing and maintaining PACCAR vehicle operation approval
  • Ability to travel up to 15%, including international travel


BS in a technical field (STEM) field required

PACCAR Benefits

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 program
  • Life and accidental death and dismemberment insurance
  • EAP services including wellness plans, estate planning, financial counseling and more

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 Senior Engine Aftertreatment Technical Engineer is $84,000 - $131,700 annually. Additionally, this role is eligible for a full range of benefit options listed above. This position is also eligible for a holiday gift.