Thermal and Fluid Sciences Engineering - Internship Positions

Location: Columbus, IN, United States Department: Engineering

You will analyze our products through simulation and physical testing to develop system level optimized solutions for IC engine & electric power systems, fuel & air systems, filtration & aftertreatment systems, and battery & fuel cell electric systems.

To do this you will be applying knowledge of fluid mechanics, heat transfer, thermodynamics, filtration, and combustion to assigned tasks to help integrate products & systems which deliver customer and regulatory requirements.

Roles available in Thermal & Fluid Systems include

Combustion and Emissions Systems Engineer (Hybrid)

Aftertreatment Integration Engineer (Hybrid)

Engine and Aftertreatment Simulation Engineer (Hybrid)

Computational Fluid Dynamics Analyst (Hybrid)

In these applied science positions, you will utilize the core competencies of thermal and fluid sciences, employing and developing advanced analytical tools (including three-dimensional modeling) to answer key questions about the performance and architecture of a system or component. The results of this analysis drive decisions which ultimately lead to state-of-the-art, highly effective, environmentally friendly, and competitive products.

You will make an impact by

Analytically investigating product, system and/or technology problems and recommending appropriate actions for problem resolution and/or optimization

Using your understanding of fundamental Physics to understand causal mechanisms, recommend appropriate action and assisting with documented problem resolutions.

Actively collaborating with key stakeholders and colleagues, using analysis results to impact and support the successful advancement of projects

Participating in problem resolution for moderately/high complex components, products, systems, subsystems, or services with a high degree of technical complexity and ambiguity and with accountability to the project team.

Using tools related to thermal and fluid sciences such as

Fluent (ANSYS Simulation ~ Simulink)

GT-Suite

Boost

Converge (CFD Software

Emissions data system

Hardware in the loop testing

MATLAB (with In-House developed plugins)

This role will not include management of people but could involve the coordination of work amongst employees.

To be successful in this role you will need to

Apply the principles of fluid dynamics, thermodynamics, energy conversion systems and heat transfer to real-world problems,

Actively engage in product problem solving and product failure mode avoidance,

Leverage data analysis results drive further optimization of the design and performance.

Demonstrate effective use of appropriate industry and Cummins specific tools and software

Consider system requirements and demonstrate a system thinking approach to work

Demonstrate strong decision-making skills and a strong customer focus

Collaborate and communicate effectively (both verbal and written) with key stakeholders and colleagues

Degree Programs Considered: Bachelor’s, Master’s, PhD

Major Programs Typically Considered: All Engineering Majors

2026 Monthly Salary Range by Degree Level

Bachelor's - $4,100 - $5,000

Master's - $6,000

PhD - $7,300

Please note that the salary range provided is a good faith estimate of the applicable range. The final salary offer will be determined after considering relevant factors, including a candidate’s qualifications and experience, where appropriate.

Internship program criteria

Must be a full-time enrolled student pursuing an undergraduate or graduate degree at an accredited U.S. college/university

Minimum 2.5 or above GPA preferred

Must be able to complete a minimum of 4-months to 6-months or a maximum of a 12-months commitment

Must be able to complete 40 hours per week

Willingness to learn from others on the job

Must be currently residing within the continental U.S.

Compensation and Benefits

Base salary rate commensurate with experience. Additional benefits vary between locations and include options such as our 401(k) Retirement Savings Plan, Cash Balance Pension Plan, Medical/Dental/Life Insurance, Health Savings Account, Domestic Partners Coverage, and a full complement of personal and professional benefits.

Cummins and E-Verify

At Cummins, we are an equal opportunity and affirmative action employer dedicated to diversity in the workplace. Our policy is to provide equal employment opportunities to all qualified persons without regard to race, gender, color, disability, national origin, age, religion, union affiliation, sexual orientation, veteran status, citizenship, gender identity and/or expression, or other status protected by law. Cummins validates the right to work using E-Verify. Cummins will provide the Social Security Administration (SSA) and, if necessary, the Department of Homeland Security (DHS), with information from each new employee’s Form I-9 to confirm work authorization.

Ready to think beyond your desk? Apply for this opportunity to start your career with Cummins today.

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U.S. Early Careers Eligibility Requirements

Summer Intern: Students must be enrolled full-time at an accredited U.S. college or university, actively pursuing a degree (Bachelor’s, Master’s, PhD, MBA, or JD), with a minimum GPA of 2.5. Candidates must currently reside within the continental United States. Students are expected to work 40 hours per week for a minimum of 10 weeks and a maximum of 12 weeks.

International Student Eligibility (U.S. based roles): F-1 visa students must have approved Curricular Practical Training (CPT) or Occupational Practical Training (OPT) before their Early Career assignment begin. CPT/OPT must relate to their degree and be authorized by their university. Students are responsible for securing this approva