Internships in Anaheim, California, United States

Rosendin Electric, a leading electrical contractor, offers a Summer Internship Program for Civil Engineering students. The 10‑to‑12 week paid internship provides hands‑on experience in Construction Project Management, Engineering, Procurement, Estimating, Safety, and Corporate roles.

Seneca Family of Agencies offers immersive fieldwork placements for MSW, MFT, and PCC interns across Southern California. The program follows a standard academic calendar, beginning in the fall and concluding in spring/summer, with a minimum commitment of 16 hours weekly—some sites require 20‑24 hours.

Uline is seeking a motivated college student for a paid Outside Sales Internship during Summer 2026. The role offers hands‑on experience in face‑to‑face selling, weekly sales training, and mentorship from seasoned sales professionals.

The Veterinary Emergency Group (VEG) offers an unpaid externship for veterinary technology students to gain hands‑on experience in emergency medicine. Participants shadow credentialed technicians, assist with triage, diagnostics, anesthesia, and inpatient care, and receive mentorship.

This internship offers hands‑on experience in industrial engineering at UPS. The role involves field observations, data analysis, and report creation to support process‑improvement projects. Interns will research data, develop queries, and prepare presentations that help reduce costs and enhance operational efficiency.

Industrial Engineering Intern at UPS will conduct operational observations, analyze data, develop reports, and support process improvement projects to reduce costs. Responsibilities include identifying business impacts, recommending and implementing process improvements with analysts and sponsors, and preparing presentations and reports.

RTX invites students to join its Connected Aviation group as a Software Engineer Intern for the summer of 2026. Based in Fullerton, California, the role is on‑site and offers hands‑on experience in developing the Wide‑Area Augmentation System (WAAS) for the FAA. Interns will design, code, test, and document new or modified software, collaborating with developers, testers, release engineers, and cross‑disciplinary teams such as systems and hardware.

Northwestern Mutual College Financial Representatives internship program builds future financial planners through hands‑on mentorship and proprietary planning tools. Interns prospect and network to grow client bases, develop business strategies, and prepare financial plans while engaging weekly coaching and training sessions.

Northwestern Mutual College Financial Representative Internship provides aspiring finance professionals a framework to build an integrated financial planning practice. Interns prospect and network to grow a client base, develop business strategies, prepare financial plans, and use proprietary planning software while receiving weekly coaching and training.

Event Operations Intern at OC Sports & Entertainment, LLC. The role supports the Honda Center’s live entertainment team, coordinating event orders, interdepartmental communication, and day‑of‑show logistics to deliver safe, memorable experiences. Interns work on‑site in Anaheim, assisting with planning, promotion support, and operational documentation while gaining exposure to venue management systems and budgeting.

Revenue Operations Intern at Parsec Automation Corp. works on building structured account plans for current customers and high‑potential prospects in the manufacturing industry, leveraging AI tools and business intelligence to support enterprise sales.

Higher Ground Youth & Family Services’ Human Trafficking Prevention Program empowers under‑resourced communities by delivering age‑appropriate awareness presentations to junior high and high school students. The intern designs and delivers these talks, coordinates outreach with schools and partners, and supports data collection for program evaluation.

Finance and Accounting team at Direct Edge Media, a technology‑driven print and marketing solutions company, seeks a Summer Accounting Intern to support day‑to‑day accounting operations and financial projects. The intern will handle accounts payable/receivable, invoice processing, reconciliations, month‑end close activities, and internal reporting while collaborating with cross‑functional departments.

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.

Leasing Community team at Cardinal Group Companies focuses on resident satisfaction and occupancy. The Intern provides front‑desk customer service, greets prospective renters, handles leasing calls, presents community features, processes lease paperwork and supports community events and on‑call duties.

Clarvida Specialty Mental Health Program seeks an Intern Pre Licensed Therapist to conduct initial behavioral health assessments, develop treatment plans, and provide individual, family, and group counseling. The role supports children and adolescents with behavioral health conditions in a multidisciplinary team, offering hands‑on experience in psychotherapy, case management, and psychoeducation.

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.

Power Electronics Team at Harbinger Motors, developing electric vehicle power systems. The intern assists with design, testing, and validation of inverters, chargers, and converters, creates PCB layouts, runs simulations, and documents results.

Component Test Engineering team at Harbinger Motors, advancing EV component reliability through rigorous testing and infrastructure development. The intern assists in testing automotive components for performance, durability, and reliability, sets up and operates test equipment, analyzes data, and supports test procedure creation while collaborating with design, manufacturing, and quality teams.

Harbinger Motors Marketing Team drives brand growth and market expansion for the next‑generation medium‑duty electric vehicles. The Marketing Intern supports event planning, content creation, campaign operations, and cross‑functional collaboration to boost lead generation and dealer enablement.