Internships in Fontana, California, United States

Jensen Infrastructure Manufacturing Plant team focuses on continuous improvement and lean initiatives. The Intern supports the General Manager by analyzing production data, developing plant‑level KPIs, and executing improvement projects.

Quality Systems team at Samuel Associated Tube Group ensures manufacturing excellence through QMS documentation, audits, and continuous improvement. The Intern supports daily quality assurance, assists with PFMEA, control plans, and internal audits, and collaborates with engineering and operations to drive process standardization and waste reduction.

Valley Animal Hospital Externships program prepares veterinary students with hands‑on experience in a modern small‑animal practice. Externs work under a mentor doctor to gather histories, perform exams, develop diagnostic plans, scrub in for surgery, and manage medical cases while honing client communication and record‑keeping skills.

Operations team at Amazon fulfillment centers. The intern learns to coach, motivate and mentor a team of 50-100 associates, drives continuous improvement through a summer project, and leads shift operations including safety, quality and productivity.

Marketing team at Williams Comfort Products needs a Photography Intern to capture and edit high-quality product images for marketing and digital platforms. The intern will photograph and stage products, edit images using Photoshop or Lightroom, and organize digital assets while collaborating with Marketing and Sales.

Access Your Future Service Intern role supports RDO Equipment Co.'s service team by shadowing skilled technicians to diagnose, inspect, and repair heavy equipment, while learning preventive maintenance and diagnostic software. The intern documents service work, keeps the shop organized, and builds technical confidence through hands‑on tasks.

Transportation Business Group at HDR focuses on designing resilient highways and transportation infrastructure to support sustainable, connected communities. As a Highway Intern you will gain real-world experience on exciting projects, applying standard engineering techniques under the mentorship of a licensed engineer.

Youth Service Corps Intern program at City of Riverside engages young adults in community service across education, food insecurity, climate change, and public service. Intern works 19 hours weekly performing general tasks under supervision, attends monthly training and meets with a job coach.

Chartwells Higher Ed at California State University – San Bernardino markets the campus dining program, creating campaigns and promotional materials to engage students and staff. The Marketing Intern works with the Marketing Manager to conduct market research, develop social media calendars, plan events, and manage brand assets while gaining hands‑on experience.

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.

Boost Marketing Team at California State University - San Bernardino Dining Services drives adoption of the Boost mobile ordering app across campus. The intern creates and executes marketing campaigns, manages social media content, and hosts on‑site events to increase app usage while analyzing performance metrics.

Transportation Department internship assisting with traffic engineering duties. The intern processes traffic data, maintains traffic databases, conducts field visits, and learns basic traffic engineering skills under supervision.

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.

Uline Sales Team offers a high‑energy, fast‑paced environment where interns help drive field sales. As an Outside Sales Intern you will deliver customer service, conduct on‑site client visits, and participate in weekly sales meetings to build presentation and product knowledge.