Test and Validation Engineer

Caterpillar; Mossville (IL); On-site; USD 121,000 - 146,000; Full time

Benefits offered by this job

Medical benefits

401(k) plan

HSA

FSAs

Career development

Incentive bonus

Parental leave

Job summary

Caterpillar Inc. seeks a Test and Validation Engineer at its Chillicothe facility in Illinois.

The role focuses on performance and emissions development for marine, power, and locomotive engines, using 1‑D thermodynamic simulations and advanced analysis tools to optimize combustion recipes. You will design and execute lean engine tests, create comprehensive plans, analyze data, and communicate results to stakeholders.

Qualifications

• Bachelor’s degree in Mechanical Engineering or related field with 4 years of experience; or Master’s degree with 2 years of experience.
• Experience with engine test and calibration, and emissions development.
• Proficiency in 1-D engine simulations and data analysis.
• Ability to communicate technical results to stakeholders.

Responsibilities

• Perform engine system calibrations to meet customer requirements and emissions standards.
• Plan, execute, and analyze engine tests using automation in a world‑class facility.
• Develop test plans, analyze data, and present conclusions to leadership.
• Collaborate with global teams and ensure design and manufacturing readiness.
• Support new products and technologies with program management tools.

Skills

1‑D thermodynamic Engine Simulation

Statistical models

Design of Experiments (DOE)

Diesel engine performance data

Defect identification & corrective

Education

Bachelor’s degree in Mechanical Engineering or related field

Master’s degree in Mechanical Engineering or related field

Tools

GT Power

Job description

Career Area:

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 Test and Validation Engineer at its facility located at 14009 Old Galena Road, Building L, Chillicothe, IL 61523. Serve as an individual contributor on complex, high impact engineering projects. Responsible for performance and emissions development of marine, electric power, machine, and locomotive diesel and spark ignited engines. Perform engine system calibrations to meet customer requirements and ensure compliance with all applicable emissions regulatory standards for new programs, as well as continued compliance for existing products. Utilize 1D thermodynamic cycle simulation and advanced engineering analysis tools to down select engine combustion recipes. Design, plan, and execute lean and efficient engine tests by leveraging automation within a worldclass engine test facility. Create and execute comprehensive test plans, perform complex data analysis, identify and resolve challenging technical issues, and initiate innovative ideas and solutions. Manage development activities to established schedules and provide regular progress updates to technical leadership. Report test results, conclusions, and engineering recommendations to internal and external stakeholders through clear technical presentations and written reports. Develop strong peer relationships and collaborate effectively with global teams through clear and effective technical communication. Evaluate new products, processes, and systems. Support new product and new technology programs using program management software and contractual requirements. Ensure design acceptance and manufacturing readiness by resolving design and manufacturing issues in collaboration with cross functional teams. Support ISO requirements and internal data quality standards through statistical analysis and Built-in Quality (BIQ) methodologies. Communicate technical information, guidance, and recommendations to engineers, managers, marketing personnel, dealers, customers, and suppliers. Mentor and train new engineers and support staff on engine development processes and procedures. Adopt and implement new technologies and processes, including automation, robotics, and computer aided manufacturing software, to improve efficiency, reduce costs, and enhance product quality. Plan, improve, and standardize testing procedures and operations to increase reliability, efficiency, and cost effectiveness. Monitor test results, machine and process capabilities, and overall performance reliability. REQS: This position requires a bachelor’s degree or foreign equivalent in Mechanical Engineering, or a related field and 4 years of experience as a Test & Validation Engineer, Mechanical Engineer, Engineering Manager, or related occupation. In the alternative, employer will accept a master’s degree or foreign equivalent in Mechanical Engineering, or a related field and 2 years of experience as a Test & Validation Engineer, Mechanical Engineer, Engineering Manager, or related occupation. Additionally, the applicant must have employment experience with: (1) 1-D thermodynamic Engine Simulation (GT power or equivalent); (2) Statistical models and DOE’s (Design of Experiment) to create diesel engine performance software maps; (3) Diesel engine performance data taken in a lab environment to make calibration and quality decisions; and (4) Identification of defects in diesel engine hardware and software data and permanent corrective actions. No telecommuting allowed.

Rate of pay: $120,994 - $146,290.00 per year.

Compensation and benefits offered may vary depending on multiple individualized factors, job level, market location, job-related knowledge, skills, individual performance and experience. Please note that salary is only one component of total compensation at Caterpillar.

Benefits:

Subject to plan eligibility, terms, and guidelines. This is a summary list of benefits.

• 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

This position requires working onsite five days a week.Visa Sponsorship is not available for this position.

Posting Dates:

October 27, 2026 - February 23, 2027

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.