Clean Harbors in Oshawa, Ontario is seeking an Environmental Sales Intern to joinour growing Eastern Ontario sales team during the Summer of 2026! We are searching for reliable and team-oriented individuals with an excellent commitment to safety!

Accepting applications for students in 3rd or 4th year of their current program.

The Sales Internship Program is designed for students interested in growing their sales expertise, working with industry professionals, and making a positive impact in the environmental services industry. The intern will be responsible for tasks associated with building business, as well as developing and maintaining strong customer relationships within multiple lines of business.

Interns can expect to participate in networking events and complete a final presentation at the conclusion of the program. We are searching for a reliable and team-oriented individual with an excellent commitment to safety to join our growing team during the Summer of 2026!

Clean Harbors is the leading provider of environmental, energy and industrial services throughout the United States, Canada, Mexico and Puerto Rico. Everywhere industry meets environment, Clean Harbors is on-site, providing premier environmental, energy and industrial services. We are solving tough problems through innovation and proven methodology - come be part of the solution with us.

Why work for Clean Harbors?

• Health and Safety is our #1 priority, and we live it 3-6-5!
• Focus on maintaining sustainability and cleaning the Earth.
• Competitive Pay $20/hr.
• Positive and safe work environments.
• Opportunities for growth and development for all the stages of your career.