Aftertreatment Systems Development Engineer
Diversified Services Network, Inc. · Posted Nov 6, 2026
- Mossville, Illinois, United States
- Full-time
- $70K–$78K per year
- 2–4 years
Advances the development and application of aftertreatment systems for diesel engine programs, combining catalyst simulation, system analysis, and validation testing to guide product development decisions.
Compensation
Salary expectations: 70,000-78,000 per annual
Responsibilities
- Perform catalyst performance modeling and sizing for aftertreatment applications
- Evaluate catalyst sizing alternatives and aftertreatment capability across a range of operating conditions
- Analyze test-cell and field data to assess aftertreatment performance
- Combine simulation results with experimental data to identify performance gaps and recommend technical solutions
- Support catalyst and aftertreatment system selection, sizing, and application decisions
Requirements
- Bachelor's degree in Engineering, Materials Science, Chemistry, or a related field from an accredited program
- Nice to have: Data analysis tools
- Nice to have: Engine performance data reduction and analysis
- Nice to have: Engine and aftertreatment systems understanding
- Nice to have: Technical leadership