Aftertreatment System Design Engineer

Johnson Matthey
Full-time Shanghai, Shanghai Engineers
Posted:
February 25, 2026
Location:
Shanghai, Shanghai, China

Job Description

Day-to-day responsibility for, or provide support on, projects that generate new products, processes and understanding of commercial value to JM. Contributes to the improvement of the team or processes within JM.

Principal Accountabilities

  • Lead the overall scheme design and development of engine aftertreatment systems in the marine and stationary power generation fields, covering core links such as catalyst, carrier, packaging structure, urea injection system, control strategy and sensor selection, to ensure the system meets relevant emission regulations including IMO Tier III, EPA and domestic GB standards.
  • Work closely with customers, suppliers and global technology team to develop customised solutions according to JM global standards and customer specific requirements. 
  • Be responsible for the matching and optimization of aftertreatment systems with engines, conduct system performance simulation analysis (such as fluid mechanics and structural strength...
  • Apply for this Job

    Submit your application for the Aftertreatment System Design Engineer position at Johnson Matthey.

    Apply Now Save for Later

    Job Overview

    Job Type: Full-time
    Location: Shanghai, China
    Posted: February 25, 2026
    Deadline: April 06, 2026