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Date: Jul 16, 2026
Location: Mount Vernon, WA, US, 98273-9671
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Company: PACCAR
PACCAR Global Powertrain organization is seeking a motivated System Performance Verification Engineer to support testing, verification, and system integration activities for PACCAR’s advanced engine aftertreatment systems. This position is located at PACCAR Technical Center, Mount Vernon, WA.
Job Responsibilities
Define and execute verification, and testing activities to support engine aftertreatment development in vehicle and in the test cell environment
Collaboration with Engine Integration, OBD calibration and Vehicle Integration teams to successfully integrate aftertreatment functions
Recommend, develop, and execute continuous process improvement to improve product quality, reliability, and durability of the PACCAR engine aftertreatment system
Complete reports and presentations to communicate findings, draw conclusions and give recommendations on the next steps
Stay aware of new and upcoming aftertreatment technologies and testing methods
Maintain a positive working relationship with other groups at the PACCAR Technical Center and other PACCAR divisions
Qualifications & Skills
3+ years of relevant engineering work experience in a related field
B.S. in Engineering (Electrical, Computer, Mechanical), Computer Science, or related discipline (MS preferred)
Understanding of heavy-duty diesel emissions regulatory requirements including diagnostics
Understanding of current diesel exhaust aftertreatment technology (DOC, DPF, SCR & DEF)
Knowledge of engine control system strategies and how they pertain to diesel engine and aftertreatment systems
Scripting and data analysis experience using MATLAB, Python or Minitab desired
Experience with engine test cell/vehicle data collection, analysis and test planning is preferred
Experience with engine calibration, data collection tools (ATI Vision/Vector Canape, Cummins Calterm/ETAS INCA & Vector CANalyzer) and engine control systems
Must be self-directed; possess excellent analysis, communication, and presentation skills; must be organized and take a rigorous approach to engineering 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
Ability to travel up to 15%, including international travel
About PACCAR
PACCAR, Inc. is a Fortune 500 company established in 1905 and is recognized as a global leader in the commercial vehicle, financial, and customer service fields. PACCAR is a global technology leader in the design, manufacture, and customer support of high-quality light-, medium- and heavy-duty trucks.
PACCAR Benefits
401k with up to a 5% company match
Fully funded pension plan that provides monthly benefits after retirement
Comprehensive PTO – 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 account (FSA) and health 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. At PACCAR, we value talent and promote growth and development. We carefully consider numerous compensation factors, including your education, training, or experience. Applicants and employees for this position will not be sponsored for work authorization, including, but not limited to H-1B visas, now or in the future. The salary range for the System Performance Verification Engineer is $77,700 - $116,200 annually. Additionally, this role is eligible for a full range of benefit options listed above. This position is also eligible for a holiday gift.
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