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Clean Harbors internships

47 open internships

Environmental Services · 10,001+ employees · Norwell, MA, United States · cleanharbors.com

Clean Harbors is North America’s leading provider of environmental and industrial services. The Company serves a diverse customer base, including a majority of Fortune 500 companies. Its customer base spans a number of industries, including chemical, and manufacturing, as well as numerous government agencies.

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Entry level roles

8 open entry level jobs at Clean Harbors, for new grads.

Past internships at Clean Harbors

  • Sales Intern IS SummerOpened October 2026 · Closed November 2026
  • Lab Chemist I - Summer 2027 InternshipOpened September 2026 · Last seen September 2026 · Posted 6 times
  • I & E Technician - Summer 2027 InternshipOpened September 2026 · Last seen September 2026 · Posted 3 times
  • Receiving Chemist I - Summer 2027 InternshipOpened September 2026 · Last seen September 2026
  • Field Technician Intern IS Summer 2027Opened September 2026 · Closed October 2026
  • Human Resources Intern - Industrial ServicesOpened September 2026 · Last seen October 2026
  • Field Technician Intern - Industrial ServicesOpened September 2026 · Last seen September 2026
  • Chemist or Chemical Engineer Intern - Industrial ServicesOpened September 2026 · Last seen September 2026
  • Traveling Team Seasonal Industrial Maintenance Laborer TWIC req.Opened August 2026 · Last seen September 2026 · Posted 4 times
  • Seasonal Traveling Industrial Services Laborers TWICOpened August 2026 · Last seen August 2026
  • Seasonal Traveling Industrial Services Laborers TWIC reqOpened July 2026 · Last seen August 2026
  • Seasonal Traveling Industrial Services Laborers TWIC reqOpened July 2026 · Last seen August 2026

Roles Clean Harbors hires for