Internships in Arcadia, California, United States

Audit Internship at HCVT in Monrovia, CA. Interns assist audit teams with documentation, procedures, and client communication. Responsibilities include project completion, issue identification, status reporting, and professional development.

Process Operations team at Olin Corporation, responsible for safe chemical production, seeks a Process Technician Intern for the Fall 2026 term. The intern partners with mentors and technicians to monitor and control process conditions, perform equipment checks, and support maintenance in a heavily regulated plant environment.

Santa Margarita Water District offers an internship program across multiple departments, providing hands‑on experience in communications, GIS, water conservation, quality, operations, and IT. Interns work under close supervision, gaining practical skills in data analysis, field work, and customer service while contributing to the district’s mission of delivering high‑quality water services.

Parsons seeks an Intern for instrumentation and controls discipline. Responsibilities include preparing I&C design documents (design guides, specs, calculations, data sheets, loop sheets, wiring diagrams, location plans), procurement documents, reviewing PFDs and assisting with P&ID preparation, coordinating design efforts with team and suppliers, ensuring scope, schedule, cost, quality, and code compliance (NEC/NFPA, ISA, UFC).

Tax Internship at HCVT offers a summer program for accounting students to prepare federal and multi-state tax returns, conduct research, and develop professional skills in a hybrid environment.

Marketing team at Law Offices of Sabrina Li supports outreach and brand development for immigration services. The intern creates bilingual content, manages social media, and assists with campaign coordination, gaining hands‑on experience in legal marketing.

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.

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.

This internship offers students a 10‑week, full‑time experience in Western Asset Management’s Global Credit Research team. Interns will conduct primary and secondary market research, build and maintain proprietary financial models, and translate research into actionable investment recommendations.

Pharmacy Intern at The Kroger Co. in South Pasadena, CA, the Pharmacy team delivers exceptional customer service and safe medication dispensing. The intern supports the pharmacist with prescription entry, drug counseling, insurance processing, and inventory management while maintaining a clean, welcoming environment.

Management Intern on the City of South Pasadena administration team, supporting municipal operations and community services. Provides administrative support, conducts research, prepares reports and presentations, and coordinates meetings and travel.

The 2026 Summer Intern – Studio Engineering Intern at General Motors offers a unique opportunity for engineering students to work on innovative design initiatives at the Advance Design Studio in Pasadena, California, and Warren, Michigan. Interns will support engineering feasibility studies, create physical and mathematical models, apply first principles engineering, and develop occupant packaging studies for new vehicle concepts.

Power Distribution Electrical Engineering Intern - Summer 2026 at Parsons. Interns paired with a mentor and participate in the Early Talent Program.

City of West Covina Planning Department works to guide land use and development across the city. The Planning Intern assists with zoning application reviews, prepares maps and reports, and responds to public inquiries while gaining hands‑on experience in urban planning.

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.