Internships in Whittier, California, United States

The District Manager in Training leads daily operations of a fast‑food restaurant, driving a 5% sales increase and sustaining growth for two months before expanding to additional locations. Responsibilities include financial performance, team development, operational excellence, and local marketing.

CTE - Student Interns at A.J. Moore Academy works within the Career & Technical Education Office to support hands‑on learning projects for students. The intern assists faculty with curriculum delivery, prepares instructional materials, and helps coordinate classroom activities.

Career & Technical Education Office offers hands‑on experience for students interested in healthcare careers. The Student Intern assists teachers with lesson planning, classroom setup, and student support while gaining exposure to health‑care industry standards.

Product Analyst Intern at Maersk Logistics & Services USA Inc. supports data‑driven decision making by building holistic data views and delivering insights through dashboards and reports. Works closely with leadership and stakeholders across the Maersk Contract Logistics product in North America to understand business processes and develop analytics solutions.

Field Chemist II on the DOW SkillBridge program at Republic Services, a partner of the Department of Defense. The role facilitates Lab Pack Program, Household Hazardous Waste (HHW), and other field activities by providing on‑site services for customers, including characterization, packaging, handling, and transportation of wastes.

Bay Cities Container, an employee‑owned creative packaging partner, seeks a Summer 2026 Intern to support product packaging design and client projects. The role involves collaborating with cross‑functional teams, applying design software, and contributing to packaging solutions that drive sales.

Talent Management internship at Million Dollar Baby Co., the family‑owned children’s furnishings brand focused on sustainable design. Interns support internal and external teams across branding, operations, logistics, sales and analytics, handling customer inquiries, data tasks and cross‑functional projects.

Fellowship of Christian Athletes (FCA) interns develop student athletes’ calling to ministry while engaging in a 10‑week immersive discipleship program. The role involves spiritual leadership, prayer, Bible study, and coaching support for athletes and volunteers in Southern California.

Helix Electric, a leading electrical contracting firm, seeks a Project Engineer Intern to support project managers, coordinate with field teams, and contribute to project planning, budgeting, and safety. The role offers hands‑on experience across construction phases, mentorship, and exposure to BIM, Accubid, and procurement processes.

Engineering team at MW Components focuses on continuous improvement and manufacturing excellence. The intern supports Lean initiatives by performing time studies, data analysis, and administrative tasks while assisting with equipment testing and documentation.

Northrop Grumman offers a 10‑week summer internship for Mechanical or Facilities Engineering students in Commerce, CA. The role involves mapping mechanical systems, supporting machine maintenance, conducting cost and inventory studies, aiding facilities project design, establishing EHS processes, and building KPI dashboards. Interns must be full‑time students, major in Mechanical or Facilities Engineering, available 40 hrs/week during summer 2026, and U.S. citizens able to obtain security cleara

Helix Electric, a leading electrical contracting firm, seeks a Project Engineer Intern for Fall 2026. The intern will support project managers, coordinate between field and office, and contribute to project planning, execution, and budgeting.

Kemper Law Clerk Intern Program provides law students hands‑on experience in civil litigation, supporting attorneys with drafting, discovery, and trial preparation. Interns conduct legal research, draft pleadings and discovery responses, and assist in mediations and arbitrations while collaborating with senior lawyers and mentors.

Kemper’s Law Clerk Intern Program equips second or third year law students with hands‑on experience in civil litigation, drafting pleadings, discovery responses, and preparing for mediation, arbitration, and trial. Interns collaborate with attorneys and paralegals, conduct legal research, and manage client communications while gaining exposure to insurance litigation.

RTX is seeking a Systems Engineering Intern to join the Multidisciplinary Integrated Systems Department in Fullerton, CA. The role focuses on modeling and simulation for space-based systems and satellites, contributing engineering practices to solve complex computational problems. Interns will identify and update circuit card and subassembly designs, and may travel to suppliers.

An internship/co‑op opportunity with Marathon Petroleum’s Logistics & Storage organization offers hands‑on experience in engineering design, project management, cost estimating, scheduling, bid evaluation, construction supervision, safety leadership, and operations coordination. Interns rotate across L&S components—Support Services, Terminals, MPL, and Marine—to gain exposure to pipeline, terminal, and marine operations.

An internship and co‑op opportunity at Marathon Petroleum Corp. (MPC) offers high‑performing college students in Civil, Electrical, or Mechanical Engineering hands‑on experience in the Logistics & Storage organization.

Public Affairs (SBCTA) supports county transportation initiatives and community outreach. The intern creates and curates digital communications, monitors social media and traditional media, and assists the Public Affairs Analyst with content development and engagement opportunities.

GIS Student Intern at San Bernardino County Transportation Authority (SBCTA) supports the agency’s mission to enhance regional transportation and quality of life. The role involves data collection, editing, and reporting for air quality, mobility, and planning projects, plus assisting with community outreach and inventory control.

Volunteer/Internship – Law Student Externship at the Superior Court of Orange County offers law students an unpaid, hands‑on experience in legal research and memorandum drafting. Externs work behind the scenes, supporting judges and clerks with civil, criminal, family, and juvenile matters.