Internship Python Jobs in Peoria, IL (NOW HIRING)

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.

Are you ready to apply your engineering education to real-world challenges? Caterpillar’s Engineering Rotational Development Program (ERDP) is designed for entry-level professionals like you. Through rotational assignments, you’ll continue developing your skills and knowledge—helping you achieve your career goals while contributing to Caterpillar’s mission of delivering exceptional products, services, and technologies to our customers. Our Engineering Rotational Development Program is an entry-level program designed to build employees’ skill sets within the discipline and continue growth, even after the successful completion of the program. This 12 to 18-month program provides practical experience across multiple engineering teams and technologies. It’s more than just a job, it’s a launchpad for your future at one of the world’s leading manufacturers of construction and mining equipment.

• Product Design: Design components and systems for Caterpillar products to meet customer needs. Collaborate with cross-functional teams throughout the value chain—from concept to production to deliver effective solutions.
• Simulation/Performance Analysis: Conduct analyses such as CFD [Computational Fluid Dynamics] (ANSYS), FEA [Finite Element Analysis], 3D modelling, system/subsystem/component design optimization, structural dynamics, development and optimization of engine, aftertreatment, battery, fuel cell, powertrain, and/or machine system performance.
• Test/Validation/Hands-on: Apply strong mechanical engineering understanding in a test/validation (hands-on) environment, troubleshooting issues, and collaborating with others for optimal results.
• Controls Development: Develop/implement control system algorithms using Matlab/Simulink for various control systems including, but not limited to, engine controllers, machine implement controllers, as well as powertrain controllers. Will be responsible for understanding the feature requirement, implementing it, as well as testing it prior to a production rollout.
• Electronic Components: Design and test various electronic control modules, as well as various electronic components. Work with various internal Caterpillar clients to understand controller/component requirements, help design PCB [Printed Circuit Board] layouts, as well as perform digital/analog/power circuit analysis and testing. Other duties may include working with suppliers, testing the controllers/components in various environments, ensuring that FMEAs [Failure Mode and Effects Analysis] are conducted and documented to meet stringent Caterpillar quality requirements.
• Embedded Software Development: Develop embedded software in C, C#, and/or C++ for various electronic control modules. Some examples of embedded software development applications include Datalink communications, inputs and outputs (sensors and actuators), speed calculation, injection/spark timing, memory management, CPU optimization, multi-core design and implementation. In addition, some areas of work include developing scripts in Python/Visual Basic for automation.
• Software Validation/Verification for Electronic Systems: Verify functionality of a feature or control system algorithm on a HIL [Hardware in the Loop] simulator bench or a SIL [Software in the Loop] system. Understand the requirements of the feature and/or the schematics of the controller/control system, verify functionality and debug/report anomalies to the development team, and help validate fixes.
• Engineering Data Analytics: Write and understand computer code, Python, analytics/data science experience, apply machine learning concepts/tools, engineering and statistics fundamentals.
• Process Engineering: Apply mechanical, manufacturing, systems and/or industrial engineering knowledge to analyze and optimize an engineering process or processes. Leverage problem-solving and communication skills.

In this role, you will have the opportunity to contribute your unique skills and experiences. Below are some of the most critical skills:

• Analytical skills, initiating ideas, troubleshooting, root cause analysis, problem-solving, and critical thinking capabilities Knowledge of engineering principles, theory, and engineering experience gained through projects, internships, and/or relevant work experience Fundamental understanding of engineering for a manufacturing environment and the ability to design and implement materials, structures, machines, devices, systems, and processes that safely realize a desired objective or invention Ability to manage multiple projects simultaneously and quickly acquire and apply new skills and knowledge Collaborate with others of diverse cultures, interpersonal styles, and abilities Strong written and verbal communication skills Participate in and build on our inclusive, constructive, and productive work environment Ensure all team members’ contributions are recognized and valued.

• Must have an ABET-accredited Bachelor’s or master’s degree in mechanical, Electrical, Computer, Agricultural, or Aerospace Engineering; Engineering Technology; or a related technical discipline (selected candidates must obtain their degree before they start)
• Must have a minimum cumulative grade point average (GPA) of 3.0/4.0 or higher (no rounding)
• Candidates with prior professional work experience must have 12 months or less of such experience, excluding internships
• Willing to relocate and travel as needed
• Top Candidates May Also Have Involvement with a campus design/competition team or related experience Project or team leadership experience Previous technical internship/co-op or relevant experience Excellent interpersonal and communication skills Intellectual curiosity, adaptability, and a willingness to learn by doing

Must attach your resume and an unofficial/official copy of your transcript to your application.

Applicants will be considered for positions throughout the United States. Most positions are based in Peoria, Illinois, with limited availability in other United States’ locations.

This is a Monday through Friday, in-person opportunity—perfect for building relationships, learning fast, and diving deep into your rotations.

Sponsorship is NOT available for this position.

Relocation is available to those who qualify.

2027 available start dates – February 1, 2027; June 7, 2027; July 12, 2027; or August 2, 2027 (seats are limited for each start date).

We’re a values-driven company where you’ll feel your work matters—whether you’re optimizing machine performance, writing embedded code, or designing the next innovation in clean energy. You’ll gain access to top-tier mentorship, technical resources, and real ownership of your work from day one.

Pay Range: $81,370.00 - $133,810.00 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.

• 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 *

Relocation is available for this position.

Visa Sponsorship is not available for this position.

August 17, 2026 - December 30, 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.

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.