- HNTB (Ontario, CA)
- …join our team of employee-owners. Our Santa Ana and Ontario, CA offices are seeking Intern Engineers for our 2026 summer program in the following areas: Roadway, ... and housing are NOT provided for these positions. **What You'll Do:** + Assists engineer teams in various tasks and duties. + Assists Engineer with research,… more
- HNTB (Ontario, CA)
- …Relocation/Housing are NOT Provided for this position. **What You'll Do:** + Assists engineer teams in various tasks and duties. + Assists Engineer with ... research, development and design of projects. + Assists Engineer with the preparation of engineering drawings and documents as assigned. + Performs other duties as… more
- Marathon Petroleum Corporation (Wilmington, CA)
- …our people, and fosters a collaborative team environment. Responsibilities: As a Mechanical Engineer at a Marathon refinery, you can expect to become familiar with ... co-ops and interns enter into the following positions: Area Refining Engineer /Project Engineers develop and use project management skills to create project… more
- AECOM (Orange, CA)
- …and connect with AECOM for early career opportunities. **AECOM** is seeking a **Construction Engineer Intern ** to be based in **Orange, CA.** _This position is ... great opportunity to learn and connect with AECOM for career opportunities starting Spring/ Summer 2026. **The event kicks off on Wednesday evening with a networking… more
- Kiewit (Santa Fe Springs, CA)
- …time management, and attention to detail * Other common names for this role: Office Engineer Intern , Office Intern , Field Intern Other Requirements: * ... is one of Kiewit's leading infrastructure districts specializing in heavy civil projects that include earth moving, water/wastewater, transportation, roadways, and… more