Diesel Aftertreatment & Catalyst Performance Engineer Onsite

Cullerton Group; Mossville (IL); On-site; USD 51,000 - 70,000; Full time

Benefits offered by this job

Vision insurance

Dental insurance

Health insurance

401k

Holiday pay

Job summary

Cullerton Group is seeking a Dev/Research Engineer 2 for Diesel Engine Aftertreatment & Catalyst Performance in Mossville, IL. The role focuses on catalyst sizing, performance modeling, and system optimization using simulation tools and test data.

You will identify performance gaps and recommend improvements for diesel engine programs. The ideal candidate has a strong analytical background, knowledge of catalyst technologies, and experience with engine or aftertreatment testing.

Qualifications

• Bachelor's degree in Engineering, Materials Science, Chemistry, or closely related field.
• 2-4 years of relevant professional experience in engineering development, engine testing, aftertreatment systems, catalyst technology, performance analysis, or related fields.
• Experience with engine testing or aftertreatment testing and interpretation of results.
• Knowledge of catalyst technology and applications in engine aftertreatment systems.
• Strong analytical thinking and problem-solving skills.
• Experience supporting product design, engineering analysis, or validation activities.
• Ability to manage multiple assignments and meet deadlines.
• Strong written and verbal communication skills.
• Ability to work 100% onsite in Mossville, Illinois.

Responsibilities

• Perform catalyst performance modeling, simulation, and sizing analysis to support diesel engine aftertreatment system development and application.
• Evaluate catalyst sizing alternatives and aftertreatment system performance across engine operating conditions.
• Analyze engine test-cell data, field performance data, and simulation results to identify performance gaps and propose solutions.
• Support catalyst selection, aftertreatment system sizing, validation, and application decisions through engineering analysis.
• Collaborate with engineering teams, suppliers, and partners to communicate results and support development activities.

Skills

Analytical thinking

Problem-solving

Written/Verbal communication

Independent work

Multidisciplinary collaboration

Education

Bachelor's degree in Engineering/Materials/Chemistry

Tools

CAD software

Job description

Cullerton Group is seeking a Dev/Research Engineer 2 for Diesel Engine Aftertreatment & Catalyst Performance in Mossville, IL. The role focuses on catalyst sizing, performance modeling, and system optimization using simulation tools and test data.

You will identify performance gaps and recommend improvements for diesel engine programs. The ideal candidate has a strong analytical background, knowledge of catalyst technologies, and experience with engine or aftertreatment testing.