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Senior Design Engineer

Caterpillar · East Peoria, IL · $112,710–$169,060 a year · Full time

Posted Oct 1, 2026 · We last checked this listing on Oct 6, 2026

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Likely interview questions for this role

Written from this job description, not a generic list. Each one notes what the interviewer is really checking.

About your past

Tell me about a complex mechanical system you owned from concept through production.

What they are checking: Whether they have true end-to-end ownership, which this drivetrain role requires.

Tell me about a design decision you made that you later had to defend to leadership.

What they are checking: Whether they can explain engineering reasoning clearly and accept challenge.

How do you help less experienced engineers on the team grow?

What they are checking: Whether they share knowledge as a senior engineer and raise the team's capability.

What would you do

A prototype fails durability testing two months before a production gate. What do you do?

What they are checking: Whether they handle setbacks calmly, find root cause and communicate impact honestly.

How do you handle a field failure report on a product you designed?

What they are checking: Whether they take ownership and use field data to improve the design.

About the work

How would you approach designing a drivetrain component for large power systems that see heavy, variable loads?

What they are checking: Whether they consider fatigue, duty cycles and durability for demanding real-world use.

If you're coming from automotive or aerospace, what changes when you design for large industrial machines?

What they are checking: Whether they understand differences in scale, volume, service life and field conditions.

Walk me through how you'd use FEA to validate a gear housing or shaft design.

What they are checking: Whether they use analysis wisely and know its limits compared to physical testing.

How do you work with manufacturing and suppliers to make a design easier to build?

What they are checking: Whether they apply design for manufacturing and listen to production input early.

Tell me about a time you used GD&T or tolerance stack-ups to solve a real fit problem.

What they are checking: Whether they have practical skill controlling variation in assemblies.

Practice this interview out loud.

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The full job description

As published by Caterpillar.

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. Hear about the Caterpillar Experience for yourself Role Definition The Drivetrain Platform team in Large Power Systems Division is looking to hire an experienced engineer that wants to take ownership of complex mechanical systems from concept through production. This role is ideal for engineers coming from automotive, aerospace, robotics/automation, or industrial equipment backgrounds who are ready to apply their experience to large-scale, high-impact machines operating in demanding real-world environments. This role will be located in East Peoria, IL where you will join a team of highly motivated engineers that thrive on solving technical challenges and taking ownership of sophisticated projects. Come shape the future of high-performance machinery in a role where your ideas and expertise move from concept to reality! What you will do • Design, develop, validate, and implement components and systems for transmissions, axles, and driveline systems • Own engineering decisions across the full product lifecycle • Collaborate with controls and software teams • Work with global engineering, manufacturing, and purchasing teams • Participate in DFMEA/PFMEA and structured problem-solving • Analyze test data and support system validation • Support manufacturing and resolve design issues • Communicate technical progress across global teams Degree Requirement • Bachelor's degree in Mechanical, Electrical, Aerospace, or Agricultural Engineering from an accredited curriculum. What skills you must have • Analytical Thinking : 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 : 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. • Technical Excellence : Knowledge of a given technology and various application methods; ability to develop and provide solutions to significant technical challenges. Top candidates must also have • 5+ years of designing mechanical systems • Demonstrated experience designing mechanical systems operating under load, such as: • Powertrain or driveline systems • Structural or load-bearing systems • Rotating components (gears, bearings, shafts) • Electro-mechanical or automated systems • Knowledge of product design and development processes from concept through production • Ability to perform root cause analysis and implement effective engineering solutions • Experience working in a cross-functional environment with design, manufacturing, and supplier teams • Proficiency with CAD tools and engineering analysis methods Additional Information • This position will close at 11:59 p.m. on 10/15/2026. • This position will be located onsite 5 days a week in East Peoria, IL (Building KK). • Relocation assistance (domestic) is available for this position. • Sponsorship is NOT available. • This position may require less than 10% travel Final details Please frequently check the email associated with your application, including the junk/spam folder, as this is the primary correspondence method. If you wish to know the status of your application – please use the candidate log-in on our career website as it will reflect any updates to your status. #LI #MilitaryMonday #Letsdothework #caterpillarinc #Iamcaterpillar Summary Pay Range: $112,710.00 - $169,060.00 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. Relocation is available for this position. Visa Sponsorship is not available for this position. Posting Dates: October 1, 2026 - October 15, 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. Not ready to apply? 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