Internships in Hacienda Heights, 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.

Responsible for the preparation, storage and distribution of medications under the direct supervision of a pharmacist. Experienced interns may additionally participate in clinical functions and work on projects under the direct supervision of a pharmacist.

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.

We are seeking a highly motivated and energetic student to join our plant in Brea, CA as team as Engineering Intern focusing on Continuous Improvement (CI) initiatives. This position will assist engineering, quality, and manufacturing in driving Continuous Improvement initiatives.

We are seeking a highly motivated and energetic student to join our plant in Brea, CA as team as Engineering Intern focusing on Environmental Health and Safety initiatives. This position will assist engineering, EHS, and manufacturing in driving improvements in Safety through process control and improvement initiatives.

Are you an undergraduate student interested in exploring a career in public accounting? Our summer interns will have the opportunity to work within our Promoting Opportunities & Outstanding Leaders (POOL) program which provides exposure to tax, audit, and consulting.

We are seeking a detail-oriented, analytical Digital Content Marketing Intern to support our Generative Engine Optimization (GEO) and AI search strategy across 22 brands. Working alongside the Senior Digital Marketing Manager and Digital Team, you will learn how to leverage custom prompt engineering and optimized AI workflows to create high-converting content for Google Business Profiles.

We are seeking a highly motivated and energetic student to join our plant in Brea, CA as team as Engineering Intern focusing on Quality initiatives. This position will assist engineering, Quality, and manufacturing in driving improvements in Safety through process control and improvement initiatives.

Are you an undergraduate student interested in exploring a career in public accounting? Our summer interns will have the opportunity to work within our Promoting Opportunities & Outstanding Leaders (POOL) program which provides exposure to tax, audit, and consulting.

The Sherwin-Williams Management & Sales Internship is a paid, 10-12-week summer program offering hands-on experience in our retail stores, providing insight into management, sales, and store operations as well as meaningful customer experiences. Our store internship program is designed to provide you with a comprehensive learning experience through practical business-to-business and retail experience working in a paint store.

In this role, you will work closely with the Marketing Manager to implement and promote the dining program here at California State University - Fullerton. This involves research to understand the needs of the target market, planning & brainstorming, promotions & advertising through various platforms, and implementation.