- Kimley-Horn (Orange, CA)
- …job with a friend (https://careers-kimley-horn.icims.com/jobs/20285/ environmental - planning - intern /job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834442239) ... an accredited program in of the following majors: + City and Regional Planning + Urban Planning + Environmental Science + Public Health + Chemistry + Physics… more
- Marathon Petroleum Corporation (Wilmington, CA)
- …refinery process and equipment. Operations Research Engineers may help develop planning , blending, scheduling, and process models for refinery engineers. The models ... process modeling, and development of graphical interfaces of refinery process units. Environmental Engineers work on projects that involve the compliance of the… more
- Upstone Materials (Brea, CA)
- Project Engineer Intern Summer 2026 Company: SULLY-MILLER CONTRACTING Location: Brea Country: USA Type of Contract: Internship Publication Date: Nov 12, 2025 ... pride ourselves on upholding the highest standards of safety, environmental conservation, and ethical conduct as we strive to...$26 per hour Job Summary The Project Engineer (PE) Intern will support the project team by assisting with… more
- Marathon Petroleum Corporation (Wilmington, CA)
- …values guide MPC's approach to doing business: safety and environmental stewardship; integrity; inclusion; collaboration; and excellence. Interns/co-ops work ... assist company professionals in implementing various health, safety, and security planning and compliance activities pertaining to the protection of human health… more
- AECOM (Orange, CA)
- …a better world. Join us. **Job Description** **AECOM** is seeking an **Engineering Intern ** to be based in **Orange, California** _This position is expected to begin ... but are not limited to:** + Assist in the planning , design, and implementation of water and wastewater treatment,...must be pursuing a Bachelor's degree in Civil Engineering, Environmental Engineering, or related field and must have completed… more
- HNTB (Ontario, CA)
- …work with our Water/Drainage Team. The Water/Drainage team specializes in planning , designing, and delivering innovative solutions for water infrastructure and ... closely with municipalities and agencies to ensure compliance with environmental regulations while supporting resilient infrastructure that meets community needs.… more
- Kimley-Horn (Riverside, CA)
- …our clients. + Contribute to the pre-construction civil engineering design, planning , modification, permitting, and analysis for multiple projects ranging in size ... Masters) in one of the following majors: + Civil and/or Environmental Engineering + Mechanical, Electrical, Biological, Biosystems, Chemical, or Agricultural… more