Thermal and Fluid Sciences Engineering - Internship Positions

Cummins Inc; Columbus (IN); On-site; USD 46,000 - 56,000; Full time

Benefits offered by this job

401(k) Retirement Savings Plan

Cash Balance Pension Plan

Medical Insurance

Dental Insurance

Life Insurance

Health Savings Account

Domestic Partners Coverage

Job summary

Cummins Inc. offers a full-time internship program in Indiana focused on thermal and fluid systems, including combustion, emissions, and CFD analysis.

You will apply fluid dynamics, thermodynamics, and energy conversion to real-world problems, collaborating with engineers to optimize products and systems for customer and regulatory requirements. You will engage with tools like ANSYS Fluent, GT-Suite, MATLAB, and Simulink to drive design decisions, while completing a 4–12 month program and

Qualifications

• Enrolled full-time student pursuing an undergraduate or graduate degree.
• Minimum GPA 2.5 preferred.
• Able to complete 4–12 month internship with 40 hours/week.
• Must reside within continental U.S.

Responsibilities

• Analyze products and systems to support optimization and problem resolution.
• Collaborate with stakeholders to apply analysis results to project advancement.
• Leverage physics and thermal-fluid knowledge to address real-world challenges.
• Assist in problem resolution for complex components and systems.

Skills

Thermal-fluid analysis

Stakeholder collaboration

Problem solving

Physics fundamentals

Education

Bachelor’s degree

Master’s degree

PhD

Tools

Fluent (ANSYS) / Simulink

GT-Suite

Boost

Converge CFD

MATLAB

Job description

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.

Visit http://EEOC.gov to know your rights on workplace discrimination.

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 approval through their school’s international office.

Commitment: Students must be able to manage their academic responsibilities without compromising their job performance.