Search results for

Internship Business Jobs in Holiday, CA

Management Trainee Summer 2026 Internship

Enterprise Holdings

Santa Rosa, CA

We’ll give you the chance to develop the skills you need to manage a fleet of vehicles, take care of customers, develop marketing strategies and build relationships with customers and coworkers. When you join our Management Internship Program, you'll soon discover that every day is different because it is filled with new, exciting, rewarding and often unexpected opportunities.

15 days ago
2026 University Intern - Rodeo Refining Engineer

Phillips 66

$2894 - $3308 WEEK

Rodeo, CA

The Rodeo Renewable Energy Complex is a state-of-the-art facility processing renewable feedstocks (waste oils, fats, greases, and vegetable oils) to produce vital transportation fuels, including renewable diesel and sustainable aviation fuels for California, Oregon, Washington, and British Columbia. Through its refining business segment, Phillips 66 is upgrading crude oil and other feedstocks into higher-value petroleum products including clean-burning gasoline, ultra-low-sulfur diesel, jet fuel, lubricants, petroleum coke and other specialty products while maintaining a high regard for safety and environmental limitations.

30+ days ago
Intern- Project Management/ Engineer

Overaa Construction

$25 - $100 HOUR

Richmond, CA, CA

Privacy Notice: Pursuant to the California Consumer Privacy Act (CCPA), the Company is notifying you that by applying for a position, you are providing us the following categories of personal information that we may use to evaluate your candidacy for employment, communicate with you regarding your candidacy, and obtain and verify background checks, and references: Personal Identifiers (e.g., name, SSN); Contact Information (e.g., mailing address, email, phone number), Employment History (e.g., current and former positions held, work experience, and any certifications or licenses), and Education History. Your internship will be a valuable way to determine your interest level in certain areas of construction allowing you to develop your potential and make key contacts for future networking.

30+ days ago