Internship Jobs in San Bernardino, CA
Uline
Ontario, CA
As a Uline Outside Sales Intern, spend your summer working alongside sales professionals with the best training, tools and products to win in the field every day. Coordinate and conduct one-on-one customer visits providing business solutions from our world-class website and catalog stacked with 43,000+ quality products.
Risewell Homes
Irvine, CA
Networking & Mentorship: Build relationships with professionals across departments and receive guidance from experienced mentors. Our program is designed to provide: Real-World Experience: Participate in active projects and contribute to initiatives that shape our communities.
Cardinal Health
Ontario, CA
To be considered for the Cardinal Health Summer 2026 Internship Program, candidates should meet a combination of the following criteria: Currently pursuing a bachelor’s degree in Business Administration, Logistics, Management, Supply Chain, Operations Management, or related field, preferred. Interns participate in social, team-building, and community service events designed to build a strong peer network and enrich the overall internship experience.
CMD Electric
$18 - $25
Ontario, California
Overview: CMD Electric is a leading electrical subcontractor specializing in delivering high-quality electrical services for residential, commercial, and industrial projects. The Project Engineer Intern position will assist and support multiple Project Managers and Superintendents in coordinating and managing electrical construction projects.
Aerotek
Irvine, California
Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors." . We work with 95% of Fortune 500 companies and specialize in staffing and services solutions in manufacturing, logistics, construction, aviation, facilities and maintenance.
Northwestern Mutual
$500 - $1000
Corona, California
Our college financial representatives, who come from varying academic backgrounds and experiences, begin to build a financial planning practice while engaging local and nationwide experts, exclusive financial products, and the support of a Fortune 500 company. Overview: College Financial Representatives in the internship program at Northwestern Mutual are provided guidance, connection, and a framework for building an integrated financial planning practice from the ground up.
Hussmann Corporation
Chino, California
Overview: Hussmann's Internship Program provides meaningful, real-life experiences while working as a solutions leader for the food retailing industry. For over a century, Hussmann Corporation has been a global leader in commercial refrigeration equipment — delivering solutions that meet the demands of the modern food retailing industry.