Dev/Research Engineer 2 - Diesel Engine Aftertreatment & Catalyst Performance

Cullerton Group has a new opportunity for a Dev/Research Engineer 2 – Diesel Engine Aftertreatment & Catalyst Performance in Mossville, Illinois . The work will be performed 100% onsite , primarily in an office environment with some laboratory work, on a schedule of 7:30 AM–4:00 PM . This is a 12-month position that can lead to permanent employment with our client. Compensation is $44/hr W-2 plus full benefits (vision, dental, health insurance, 401k, and holiday pay). Job Summary The Dev/Research Engineer 2 will support the development, analysis, and validation of diesel engine aftertreatment systems, with a focus on catalyst sizing, performance modeling, and system optimization. This role involves using simulation tools, engine test-cell data, and field performance data to evaluate catalyst effectiveness and aftertreatment system capabilities across various operating conditions. The engineer will identify performance gaps, recommend technical improvements, and support catalyst selection and application decisions for diesel engine development programs. The ideal candidate will have a strong analytical background, knowledge of catalyst technologies, and experience with engine or aftertreatment testing and performance data analysis. Key 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 various engine operating conditions to optimize system capability and effectiveness. Analyze engine test-cell data, field performance data, simulation results, and experimental findings to identify performance gaps and recommend technical solutions. Support catalyst selection, aftertreatment system sizing, validation, and application decisions through engineering analysis and technical recommendations. Collaborate with engineering teams, suppliers, and engine system development partners to communicate analytical results, troubleshoot performance issues, and support product development activities. Required Qualifications Bachelor's degree in an accredited Engineering, Materials Science, Chemistry, or closely related technical field . 2–4 years of relevant professional experience in engineering development, engine testing, aftertreatment systems, catalyst technology, performance analysis, or related technical fields. Experience with engine testing or aftertreatment testing , including the ability to interpret testing results and evaluate system performance. Demonstrated knowledge of catalyst technology , including catalyst functionality, performance characteristics, or applications in engine aftertreatment systems. Strong analytical thinking and problem-solving skills, including the ability to interpret technical data and make engineering recommendations. Experience supporting product design, development, engineering analysis, or validation activities . Ability to manage multiple assignments, adapt to changing priorities, and complete engineering tasks within established deadlines. Strong written and verbal communication skills, including the ability to explain technical findings and collaborate with multidisciplinary teams. Ability to work independently, learn new technical concepts quickly, and contribute effectively within a collaborative engineering environment. Ability to work 100% onsite in Mossville, Illinois , with some laboratory involvement. Preferred Qualifications Hands-on experience with diesel engine aftertreatment systems, catalyst performance modeling, or catalyst sizing and optimization . Experience analyzing engine test-cell data, aftertreatment performance data, and field testing results . Familiarity with catalyst simulation, system performance modeling, and experimental validation methods. Proficiency with engineering data analysis tools and software used for simulation, performance evaluation, or technical reporting. Strong understanding of diesel engine systems, exhaust aftertreatment technologies, and catalyst operating characteristics. Experience using analytical findings to identify performance gaps, evaluate design alternatives, and recommend technical improvements. Familiarity with engineering drawings, schematics, technical documentation, and CAD software. Experience collaborating with suppliers, customers, and engineering development teams. Previous experience supporting diesel engine development, emissions control systems, industrial equipment, or heavy machinery applications. Why This Role? This position offers an opportunity to contribute to advanced diesel engine technology and emissions‑control system development while supporting a global leader in heavy machinery and manufacturing. You will gain experience in catalyst performance modeling, aftertreatment system optimization, engineering simulation, and test data analysis while collaborating with experienced engineering professionals. Cullerton Group provides a professional environment with growth potential, comprehensive benefits, and opportunities to develop specialized expertise in diesel engine aftertreatment and catalyst technologies. #J-18808-Ljbffr Cullerton Group