Materials Engineer - Fluids and Analytical Chemistry PACCAR paid time off, paid holidays, sick time, tuition reimbursement, 401(k) United States, Washington, Mount Vernon Aug 20, 2026 Requisition Summary 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. 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 high-quality light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates. PACCAR designs and manufactures advanced diesel engines andalso 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 Job Functions / Responsibilities 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 Support PACCAR standards development Project management and test sampling plan development Concisely convey testing conclusions to a wide range of organizational stakeholders Qualifications 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 Preferred Qualifications 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 Education Bachelor's degree in appropriate field, advanced degree preferred Paccar Benefits 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 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 "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.