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Environmental Science and Engineering internships in Pennsylvania

39 open student roles in environmental science and engineering in Pennsylvania. They range from internships to co-ops and research. That includes 7 co-ops and 3 part-time roles. 43% list pay or say they are paid. The most common start terms are Summer 2027 and Spring 2027. Employers with the most openings: Marathon Petroleum, Heidelberg Materials, Hershey, First Quality and TRC Companies.

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Bar chart of the 39 open roles on this page by employer: Marathon Petroleum 6, Heidelberg Materials 4, Hershey 4, First Quality 3, TRC Companies 3, CDM Smith 2; 17 more at 13 other employers.
Who is hiring these 39 roles, counted from the open listings. Not shown: 17 more at 13 other employers.

How many environmental science and engineering internships in Pennsylvania are open right now?

39 open environmental science and engineering internships, co-ops and research roles in Pennsylvania as of November 12, 2026, from 19 employers.

Which employers are hiring environmental science and engineering interns in Pennsylvania?

The employers with the most open environmental science and engineering roles in Pennsylvania are Marathon Petroleum, Heidelberg Materials, Hershey, First Quality and TRC Companies, of 19 employers hiring.

Do environmental science and engineering internships in Pennsylvania pay?

17 of the 39 open roles (43%) list pay or say they are paid. Listed hourly rates run from $18 to $38.72 an hour.

Where are environmental science and engineering internships in Pennsylvania?

The open roles are in Canonsburg (7), Pittsburgh (4), Hershey (3), Connellsville (2), Eddystone (2) and 18 more places.

Environmental Science and Engineering internships in other states

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Updated November 12, 2026. Listings are collected from public job boards several times a day; always check the posting on the employer's site before applying.