Air Resources Engineer Aftermarket Diesel and Off-Road Section
Listed on 2026-02-06
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Engineering
Systems Engineer
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Air Resources Engineer in the Aftermarket Diesel and Off-Road SectionApplying electronically via Cal Careers is highly recommended. If submitting hardcopy applications (mail/drop-off), please email to confirm submission.
This is a repost. If you have previously applied for this position, there is no need to reapply.
California Air Resources Board's (CARB) Aftermarket Diesel and Off-Road Section (ADORS) within the Emissions Certification and Compliance Division is seeking an enthusiastic, creative, highly motivated, and organized Air Resources Engineer (ARE) to support the aftermarket programs. ADORS evaluates innovative aftermarket products, including EV conversions, alternative fuel conversions, hybrid conversions, large spark ignition retrofits, diesel retrofits, and other aftermarket technologies such as off-road aftermarket parts, performance parts, telematics devices, etc.,
for compliance with relevant regulations and procedures.
Under the supervision of the section manager, engineers evaluate designs and test data of aftermarket parts and retrofit systems. Responsibilities include performing engineering evaluations to assess the impact of performance parts on emissions, analyzing vehicle/engine emission data, preparing reports and technical documentation for approval, developing testing procedures for emission compliance, and preparing correspondence and guidelines for applicants. Evaluation of parts may also involve reviewing manufacturer durability test plans, OBD II compliance, and impacts on vehicle auxiliary emission control devices.
Additional duties include supporting the Verification database, reviewing warranty reports, supporting warranty and recall activities, and conducting audits related to aftermarket diesel particulate filters. Engineers may also assist in developing new regulations for emerging aftermarket areas.
You will find additional information about the job in the Duty Statement.
Working Conditions
This position may be eligible for hybrid in-office work and in-state telework. The extent of telework is determined by the agency's current policies and operational needs. Some in-person attendance at the headquarters location in Riverside, CA, is required.
The position requires being stationary for extended periods, working in a standard office environment, and daily use of a personal computer, office equipment, and telephone.
The headquarters address is:
CARB SoCal Headquarters
4001 Iowa Avenue
Riverside, CA 92507
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