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Environmental Science and Engineering internships in Denver

25 open student roles in environmental science and engineering in Denver. They range from internships to co-ops and research. That includes 6 co-ops and 2 part-time roles. 64% list pay or say they are paid. The most common start terms are Summer 2027 and Fall 2027. Employers with the most openings: Marathon Petroleum, CDM Smith, Stantec, Occidental Petroleum Corporation (Oxy) and Scout Clean Energy.

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Bar chart of the 25 open roles on this page by employer: Marathon Petroleum 6, CDM Smith 5, Stantec 3, Occidental Petroleum Corporation (Oxy) 2, Scout Clean Energy 2, TRC Companies 2; 5 more at 5 other employers.
Who is hiring these 25 roles, counted from the open listings. Not shown: 5 more at 5 other employers.

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

25 open environmental science and engineering internships, co-ops and research roles in Denver as of November 4, 2026, from 11 employers.

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

The employers with the most open environmental science and engineering roles in Denver are Marathon Petroleum, CDM Smith, Stantec, Occidental Petroleum Corporation (Oxy) and Scout Clean Energy, of 11 employers hiring.

Do environmental science and engineering internships in Denver pay?

16 of the 25 open roles (64%) list pay or say they are paid. Listed hourly rates run from $20 to $42.02 an hour.

Where are environmental science and engineering internships in Denver?

The open roles are in Denver (19), Boulder (2), Broomfield (1), Golden (1), Lakewood (1) and 1 more place. 1 role can be done remotely.

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Updated November 4, 2026. Listings are collected from public job boards several times a day; always check the posting on the employer's site before applying.