Research & Science Internships in Illinois

6 open research & science internships in illinois from 5 companies, 6 added in the last 7 days. 83% list pay; the median posted rate is $25/hr (middle half: $24–$26/hr). Most openings: Entegris (2), Mars (1), The Federal Reserve System (1), Ecolab (1).

Updated Oct 19, 2026 from employer career pages · newest posting Oct 15, 2026.