Aftertreatment Systems Engineer: Catalyst Modeling

Diversified Services Network, Inc.; Illinois; On-site; USD 70,000 - 78,000; Full time

Benefits offered by this job

401(k)

Dental insurance

Vision insurance

Disability insurance

Employee assistance program

Health insurance

Health savings account

Life insurance

Paid time off

Paid Holidays

Job summary

Diversified Services Network, Inc. in Mossville, IL, is seeking a full-time Aftertreatment Systems Development Engineer.

You will advance the development and application of diesel aftertreatment systems, performing catalyst modeling, system analysis, and validation testing to guide product decisions. The role requires a bachelor's degree in engineering or related field with 2–4 years of experience, knowledge of catalyst tech, and strong analytical and communication skills.

Qualifications

• Bachelor's degree in Engineering, Materials Science, Chemistry, or related field from an accredited program, plus 2–4 years engineering experience.
• Experience with engine or aftertreatment testing.
• Knowledge of catalyst technology.
• Background in product design and development.
• Strong analytical thinking and problem-solving skills.
• Excellent verbal and written communication, including conveying technical information to teams, customers, and suppliers.
• Ability to manage multiple priorities and adapt to changing demands.
• Quick learner.

Responsibilities

• Perform catalyst performance modeling and sizing for aftertreatment applications.
• Evaluate catalyst sizing alternatives and aftertreatment capability across operating conditions.
• Analyze test-cell and field data to assess aftertreatment performance.
• Combine simulation results with experimental data to identify performance gaps and recommend solutions.
• Support catalyst and aftertreatment system selection, sizing, and application decisions.
• Communicate results and issues to team members, suppliers, and engine system development partners.

Skills

Analytical thinking

Communication

Multitasking

Quick learner

Catalyst technology

Product design

Education

Bachelor's degree in Engineering or related field

Tools

Data analysis tools

Job description

Diversified Services Network, Inc. in Mossville, IL, is seeking a full-time Aftertreatment Systems Development Engineer.

You will advance the development and application of diesel aftertreatment systems, performing catalyst modeling, system analysis, and validation testing to guide product decisions. The role requires a bachelor's degree in engineering or related field with 2–4 years of experience, knowledge of catalyst tech, and strong analytical and communication skills.