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Engine Aftertreatment Development and Calibration Engineer Job

Date: Nov 11, 2022

Location: Mount Vernon, WA, US, 98273-9671

Company: PACCAR

Requisition Summary

PACCAR Technical Center is seeking an engine aftertreatment development engineer to support the calibration, integration and testing of engine aftertreatment systems as part of the PACCAR Global Engines team. 


Job Functions / Responsibilities

  • Define and execute calibration, verification and testing activities to support engine aftertreatment development in vehicle and in the test cell environment
  • Collaboration with global PACCAR vehicle, OBD calibration and Engine performance teams to successfully integrate aftertreatment functions
  • Recommend, develop  and execute on continuous process improvement to improve product quality, reliability and durability of the MX engine aftertreatment system
  • Stays aware of new and upcoming aftertreatment technologies and testing methods
  • Complete reports and presentations to communicate findings, draw conclusions and give recommendations on next steps
  • Mentor and help develop less experienced engineers
  • Maintain positive working relationship with other groups at the PACCAR Technical Center and other PACCAR divisions


  • 1-8 years of work experience in the automotive industry
  • 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 desired
  • Experience with data collection, analysis and test planning is preferred
  • 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



BS in a technical (STEM) field required, MS preferred

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