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Senior Performance/Simulation/Application Engineer - AT&ES DTO Engineer

Caterpillar Inc.
Mossville, Illinois, United States, United Statesfull_timeVerifiedPosted 10 Feb 2026
💰 $165,840/yr($110,520/yr$165,840/yr)

About the role

Career Area:

Engineering

Job Description:

Your Work Shapes the World at Caterpillar Inc.

When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other.  We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it.


Your Work Shapes the World 

Whether it be groundbreaking products, best in class solutions or creating a lifelong career, you can do the work that matters at Caterpillar. With a 95-year legacy of quality and innovation and 150 locations in countries around the world, your impact spans the globe. 

When you join Caterpillar, you are joining a team of makers, innovators and doers. We are the people who roll up our sleeves and do the work to build a better world. We don’t just talk about progress and innovation. We make it happen. And we are proud of that, because it helps our customers build and power the world we live in – the roads, hospitals, homes and infrastructure.  Without a dedicated workforce Caterpillar could not effectively meet our customer’s needs.  Join us. 

Job Summary: 

The Large Power Systems Division currently has an opening for an Senior Engineer within our Aftertreatment & Exhaust Systems (AT&ES) performance engineering team. This role will give you the opportunity to help customers meet local air board emission by creating new and innovative aftertreatment design solutions. With your help, our products will continue to significantly reduce harmful diesel and gas engine exhaust emissions.

What you will do: 

This role will be responsible for identifying customer solutions (DTO) outside of traditional NPI. It is responsible for understanding system interactions that will enable our solutions to both meet Caterpillar requirements and customer deliverables. This position will work closely with the end customer and dealers to gather requirements and collaborates on designs. It will work closely with product groups, EP, Marine, O&G to deliver a quality product in a timely manner at the lowest possible cost, while delivering customer value. In this role, the Senior Engineer also works closely with AT&ES performance engineers to understand performance tradeoffs. This role is critical for the execution of high value DTO projects and supplying quotations development for custom or new designs. Develop project scope to address business challenges and opportunities.

  • Collaborate with customers and leadership to scope and execute projects that meet the needs of the
  • business
  • Accountable for delivering timely, high-quality simulation and analysis impacting products/processes and
  • providing clear recommendations to stakeholders
  • Partner with design, manufacturing, supply chain and test to robustly deliver new products and improve
  • validation processes
  • Keep up-to-date on new technologies and drive continuous improvement to established techniques

Education and Experience Requirements:  

  • Bachelor’s degree in an accredited Engineering, Computer Science, or Material Science, Chemisty, or closely related curriculum.

Skills you will have: 

  • Process Management: Extensive knowledge of business process improvement tools and techniques; ability to understand, monitor, update, control, or enhance existing business or work processes.
  • Analytical Thinking: Extensive knowledge of techniques and tools that promote effective analysis; ability to determine the root cause of organizational problems and create alternative solutions that resolve these problems.
  • Effective Communications: Working understanding of effective communication concepts, tools and techniques; ability to effectively transmit, receive, and accurately interpret ideas, information, and needs through the application of appropriate communication behaviors.
  • Problem Solving: Extensive knowledge of approaches, tools, techniques for recognizing, anticipating, and resolving organizational, operational or process problems; ability to apply knowledge of problem solving appropriately to diverse situations.
  • Technical Excellence: Working knowledge of a given technology and various application methods; ability to develop and provide solutions to significant technical challenges.
  • Project Management: Working knowledge of effective project management strategies and tactics; ability to plan, o

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Company

Caterpillar Inc.

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