- Ensign-Bickford Aerospace and Defense (O'Fallon, MO)
- …consumption. Click here (http://afbinternational.com/about/) to learn more. Job Description Engineering Intern (Summer Internship Program)Location: St. Charles, ... flow mapping. Position Summary AFB International is seeking a highly motivated Engineering Intern to join our manufacturing operations team at one of our… more
- Mastercard (O'Fallon, MO)
- …people, businesses and governments realize their greatest potential._ **Title and Summary** Platform Engineering Intern , Summer 2026 - St. Louis, MO This role is ... not eligible for Mastercard's work authorization sponsorship. As such, candidates must be eligible to work in the United States, now as well as in the future, without employer sponsorship. For example, students or recent graduates in the United States on an F1… more
- General Motors (Wentzville, MO)
- …committed to creating places that people want to be. As an environmental engineering intern , you will work closely with the facility environmental engineer(s) ... **Job Description** **2026 Summer Intern - Environmental Engineer** **GM DOES NOT PROVIDE...Bachelor's degree in one of the following areas: Environmental Engineering , Environmental Health or Science, Chemical Engineering ,… more
- Mastercard (O'Fallon, MO)
- …and governments realize their greatest potential._ **Title and Summary** Product Management Intern , Summer 2026 - O'Fallon, MO Who is Mastercard? At Mastercard, ... globally. Make an impact as an Associate Product Specialist Intern As an Associate Product Specialist Intern ,...and end-to-end program analytics Engage with the business and engineering teams to track progress and identify dependencies and… more
- Mastercard (O'Fallon, MO)
- …and governments realize their greatest potential._ **Title and Summary** Technical Program Intern , Summer 2026 - United States This role is not eligible for ... to endless, priceless possibilities. About the Team As a Technical Program Management Intern at Mastercard, you'll learn to understand the what, how, and why to… more
- Mastercard (O'Fallon, MO)
- …businesses and governments realize their greatest potential._ **Title and Summary** Data Scientist Intern , Summer 2026 - St. Louis, MO This role is not eligible for ... in connecting everyone to endless, priceless possibilities. About the Team As a Data Engineering team, we are a dynamic and innovative team working at petabyte scale… more
- Bayer (Chesterfield, MO)
- …real difference, there's only one choice.** **Health, Safety, and Environmental Intern ** **YOUR TASKS AND RESPONSIBILITIES** The primary responsibilities of this ... Occupational Safety & Health, Public Health, Industrial Hygiene and/or Environmental Engineering /Compliance. A Safety & Emergency Preparedness emphasis is a plus; +… more
- Mastercard (O'Fallon, MO)
- …and governments realize their greatest potential._ **Title and Summary** Data Engineer Intern (Data Storytelling), Summer 2026 - St. Louis, MO This role is ... priceless possibilities. About the Team The Program Controls & Operations Data Engineering (ProCODE) group is responsible for core operational data and reporting.… more
- Mastercard (O'Fallon, MO)
- …businesses and governments realize their greatest potential._ **Title and Summary** Data Scientist Intern , AI-Focused, Summer 2026 - St. Louis, MO This role is not ... As Data Scientists, our day-to-day work spans across: - Feature engineering - extracting meaningful signals that distinguish fraudulent transactions from genuine… more