- HNTB (Santa Ana, CA)
- …co-op basis. Our Santa Ana (Irvine), CA Office is seeking a Summer 2026 Intern for our Environmental Planning group. Relocation and housing are not ... the designated HNTB recruiter to be eligible for placement fees._ **Job Type:** Intern **Full/Part Time:** Full time **Job Category:** Planning Group **ReqID:**… 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
- 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
- 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) ... students to join our Orange, California (CA) office in Summer 2026! This is not a remote position. **Responsibilities**...in of the following majors: + City and Regional Planning + Urban Planning + Environmental… more
- HNTB (Ontario, CA)
- …and Ontario, CA offices are seeking Civil Engineering Interns for our 2026 summer program to work with our Water/Drainage Team. The Water/Drainage team specializes ... in planning , designing, and delivering innovative solutions for water infrastructure...closely with municipalities and agencies to ensure compliance with environmental regulations while supporting resilient infrastructure that meets community… more
- Stantec (Pasadena, CA)
- …, design, and construction of infrastructure; construction management; process/ environmental engineering Typical office environment working with computers and ... working to solve some of the world's most complex challenges. As an intern , you'll work alongside our experienced practitioners and with our clients and communities.… more