- Delek US Holdings (El Dorado, AR)
- Intern Location: El Dorado, AR, US, 71730 Are you...**JOB SUMMARY** Delek US is looking to hire an Intern at our El Dorado, AR Refinery for the upcoming ... Summer 2026 timeline. The Engineering Interns will support the initiatives for the refinery with a portion of this position performed in the field. While performing the duties of this job in the field, the employee is occasionally exposed to moving mechanical… more
- Clean Harbors (El Dorado, AR)
- …is North Americas largest environmental company. We are seeking a summer 2026 intern . As a **Receiving Chemist** **Internship** at our **EL Dorado, AR** incinerator, ... you will shadow a Receiving Chemist to learn about receiving, sampling, and analyzing waste from 55-gallon drum shipments within our industrial warehouse facility. Additionally, you will be reviewing and updating documents such as SOPs. You will obtain a… more
- Clean Harbors (El Dorado, AR)
- …America' largest Environmental Company. We are seeking a highly motivated **Engineering Intern ** to join our **Summer 2026** internship program in **El Dorado, AR.** ... Responsibilities included but not limited to: 50% document control-data analysis, 25% Project Management assistance, 25% in the field. You will have a comprehensive training plan to ensure you will be getting a detailed and diverse understanding of various… more
