Senior​/Simulation​/Application Engineer

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.

Caterpillar Inc. seeks Senior Performance/ Simulation/ Application Engineer at its facility located at 2427 E Engine Dr., Chillicothe, IL 61523.

Contribute to the identification, analysis, and resolution of needs and problems. Perform integration of truck controls and plant models of components and subsystems into a powertrain system model. Execute performance studies of L5 power system including subsystems, engine/battery, transmission/e‑drivetrain, lower powertrain, hydraulic, thermal system using Dynami­c (or equivalent software like GT Suite or AMESim). Work on truck machine system concept performance simulation to influence early product concepts and control software design decisions to improve existing products by resolving performance issues.

Develop or improve simulation related processes and technologies. Analyze results and assess machine performance, including fuel/energy consumption, productivity, and reliability. Work directly with different units, suppliers, customers, and/or other teams. Communicate technical information in a concise and accurate manner. Make decisions which impact product performance, durability, quality, reliability, and serviceability. Manage negotiations with suppliers and leverage new technologies. Handle warranty, total cost of non‑quality, costs, sales, and customer perception.

Direct contact with products, machines, or components while working in the field or at customer sites or direct contact with suppliers and customers to develop processes or resolve problems.

REQS:
This position requires a master’s degree or foreign equivalent in Mechanical Engineering, Automotive Engineering, Aerospace Engineering, Engineering Management or a related field plus 2 years of experience performing identification, analysis and resolution of engineering issues for engine/battery, transmission/e‑drivetrain and lower powertrain systems or related occupation. In the alternative, will accept a bachelor’s degree, or foreign equivalent, in Mechanical Engineering, Automotive Engineering, Aerospace Engineering, Engineering Management or a related field, plus 5 years of experience performing identification, analysis and resolution of engineering issues for engine/battery, transmission/e‑drivetrain and lower powertrain systems or related occupation.

Additionally, the applicant must have employment experience with:

• 1 year performing validation of controls models through the comparison of simulation test results to on‑machine test data
• Software in the loop setup and validation
• Integration of truck controls and plant models of components and subsystems into a powertrain system model
• Interfacing software libraries with machine models
• Manage machine models in GIT tools
• Matlab/Simulink, CANape, Python

$ to $ per year

• Medical, dental, and vision benefits*
• Paid time off plan (Vacation, Holidays, Volunteer, etc.) *
• 401(k) savings plans*
• Health Savings Account (HSA)*
• Flexible Spending Accounts (FSAs)*
• Health Lifestyle Programs*
• Employee Assistance Program*
• Voluntary Benefits and Employee Discounts*
• Career Development*
• Incentive bonus*
• Disability benefits
• Life Insurance
• Parental leave
• Adoption benefits
• Tuition Reimbursement
• These benefits also apply to part‑time employees

Applicants who are interested in this position should apply via , search Senior Performance/ Simulation/ Application Engineer / R.

This position requires working onsite five days a week.

Visa Sponsorship is not available for this position.

June 10, 2026 - October 8, 2026

Any offer of employment is conditioned upon the successful completion of a drug screen.

Caterpillar is an Equal Opportunity Employer, Including Veterans and Individuals with Disabilities. Qualified applicants of any age are encouraged to apply.