Materials Engineer - Fluids and Analytical Chemistry

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Date: Aug 20, 2026

Company: PACCAR

The highly motivated Materials Engineer will focus on supporting powertrain fluids and analytical chemistry testing at the PACCAR Technical Center in Mount Vernon, Washington. The candidate must be a detail-oriented, initiative driven individual who will thrive in a dynamic testing and evaluation environment. The candidate must be able to operate independently and collaborate effectively with others while accommodating shifting priorities.

• Support powertrain fluid analysis and technical recommendations
• Technical lead on analytical testing techniques for in-house laboratory and third-party testing of organic and inorganic materials.
• Complete materials testing, document results, and summarize findings in formal reporting structure.
• Root cause analysis
• Project management and test sampling plan development
• Concisely convey testing conclusions to a wide range of organizational stakeholders

• Minimum of 8 years of relevant work experience
• Familiarity with the chemical composition of fuels, oils, and coolants used in powertrain systems.
• Familiarity with petroleum product industry standard test specifications
• Experience with analytical testing techniques used to evaluate fuels, oils and coolants
• Ability to work well independently and as part of a team
• Excellent verbal and written communication skills
• Self-directed, excellent analysis and technical judgement skills required
• Ability to explain complex technical concepts to non-technically oriented individuals
• Ability to build constructive relationships with suppliers and industry partnerships
• Strong PC skills
  - Microsoft applications
• Basic statistics
• Proactively addresses process issues and continuous improvement opportunities
• Ability to travel 10% of the time

• Experience with chemical analysis techniques including Fourier-transform infrared (FTIR), inductively coupled plasma optical emission spectrometry (ICP-OES), combustion infrared spectroscopy, thermogravimetric analysis (TGA), gas chromatography (GC), mass spectroscopy (MS), wet chemistry and governing industry standard test methods
• Experience with extraction and analysis of pre-combusted petroleum deposits and post-combustions colloidal products
• Experience evaluating typical suite of used fluids test results (i.e. oil/coolant) and interpret impact to overall lubrication or coolant system health
• Ability to leverage knowledge of analytical fluids testing as a means of providing input to fluid related root cause analysis investigations
• Familiarity with commercial vehicles use cases and heavy-duty fuel, coolant, and lubrication subsystems.
• Ability to learn new techniques quickly
• Experience with Design of Experiments
• Strong technical writing skills

Bachelor’s degree in appropriate field, advanced degree preferred

As a U.S. PACCAR employee, you have a full range of benefit options including:

• Competitive salary and 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, 12 paid holidays, and sick leave
• 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
• Global Fortune 500 company with a wide array of growth and development opportunities
• Work alongside experienced goal-oriented colleagues recognized as experts in their field

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 "Materials Engineer
- Fluids and Analytical Chemistry" is $104,100 - $162,900 annually. Additionally, this role is eligible for a full range of benefit options listed above.

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