
Test and Validation Engineer
Mossville, ILFull-time$121–146K/yrSeen 6 days agoSeen in employer's feed 6 days ago
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Job overview
Caterpillar seeks a Test and Validation Engineer to develop performance and emissions for diesel and spark-ignited engines across marine, electric power, machine, and locomotive applications. The engineer will calibrate engine systems, plan and execute tests, analyze data, resolve technical issues, and support regulatory compliance and product readiness. The role is based at Caterpillar’s Chillicothe, Illinois facility and requires onsite work five days a week.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Mossville, Illinois
Full time
R0000402463
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.
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Medical, dental, and vision benefits*
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Paid time off plan (Vacation, Holidays, Volunteer, etc.)*
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401(k) savings plans*
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Health Savings Account (HSA)*
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Flexible Spending Accounts (FSAs)*
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Health Lifestyle Programs*
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Employee Assistance Program*
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Voluntary Benefits and Employee Discounts*
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Career Development*
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Incentive bonus*
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Disability benefits
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Life Insurance
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Parental leave
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Adoption benefits
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Tuition Reimbursement
- These benefits also apply to part-time employees
Applicants who are interested in this position should apply via www.caterpillar.com/careers, search [Test and Validation Engineer / Reference # R0000402463 . #LI-DNI] .
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.
Not ready to apply? Join our Talent Community (http://flows.beamery.com/caterpillarinc/talcom) .
There’s more to work at Caterpillar than just the work itself. We hire smart, friendly people and it shows in our culture. We hold ourselves to high standards and make sure our values of integrity, excellence, teamwork, commitment and sustainability come to life in the way we work. We make sure our employees feel continuously challenged while also supported. We provide professional growth opportunities, including leadership programs. We celebrate the diversity of our team, while also working together as one Caterpillar.
Our culture, like everything at our company, is made possible by each employee’s contribution. Person by person, we create the environment we work in, and we are proud of the Caterpillar we’ve built.
How this job compares
Set against the 7,635 open Mechanical Engineer jobs on Olive Jobs, counted November 4, 2026.
- Pay
- This posting$121–146K/yr
- Illinois median$99–154K/yr171 salary ranges
- US median$105–160K/yr4,576 salary ranges
This range's midpoint, $134K, is 6% above the Illinois median midpoint ($126K) — in the middle half of Mechanical Engineer salary ranges in Illinois.
- Openings
- Olive Jobs lists 205 open Mechanical Engineer jobs in Illinois and 7,635 across the US. 2% of them nationwide are listed as remote or flexible.
- Hiring the most in Illinois
- Sargent & Lundy33 open
- Constellation27 open
- Burns & McDonnell13 open
- Experience
- This posting asks for at least 2 years of experience — less than three in four Mechanical Engineer postings that state a minimum ask for (median 5 years, across 6,326 postings).
- Education
- 5,245 of the 7,635 open Mechanical Engineer jobs (69%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 4, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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