Who We Are: The Aftertreatment Technologies group performs a wide array of evaluation and development programs utilizing engines, fuel burners, aftertreatment systems and components, fuels, lubricants and sensors to support our customers, which include OEMs, suppliers, government regulatory bodies and industry groups. Requirements: Requires a Bachelors degree in Mechanical Engineering Technology, Automotive Engineering Technology, Electrical/Electronics Engineering Technology, Civil Engineering Technology, or other related Technology degree.