141 Results for

Internship Business Jobs in California

Jobs

Port Hueneme, CA11 days ago

$38,438–$40,000
Full-time
Employee

The Engineering Technician Internship is a temporary position within HII – Mission Technologies which prepares a college student for entry into the workforce by providing emphasis on training in machining, CNC operations, CAD/CAM, and hands-on engineering support. With a holistic approach to life-cycle maritime defense systems—from small watercraft to submarines, surface combatants and aircraft carriers—HII ensures a high state of readiness.

San Diego, CA30 days ago

Current college student or recent graduate (preferred majors: Finance, Accounting, Business, Hospitality, or related fields). This program is designed to prepare you for professional success, with a focus on technical skills, client relationship management, and business operations.

Westside, CA10 days ago

Full-time
Employee

Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. ???????Vaco by Highspring values a diverse workplace and strongly encourages women, people of color, LGBTQ+ individuals, people with disabilities, members of ethnic minorities, foreign-born residents, and veterans to apply.

San Diego, CA30+ days ago

Remote

Brilliant Agency, one of the most respected and rapidly growing agencies focused on family-oriented brands, seeks a REMOTE Public Relations & Business Development Intern, 15 hours a week to help support the agency’s growing, award-winning team to start immediately. Brilliant is in its second decade as a fully remote company and is one of the most respected agencies serving consumer lifestyle brands with a specific focus on products, brands, and services for families including baby and maternity, toys and games, tech, housewares, and food.

Newport Beach, CA30+ days ago

Oversee key business functions (under mentorship): Leverage team to track revenue, patient data, and leads; respond to inquiries within 24 hours; scrutinize expenses; maintain systems with IT support; audit systems and processes, and ensure compliance with regulations. We are a premier holistic PT clinic in beautiful Newport Beach, specializing in orthopedic manual therapy, chronic pain relief, sports recovery, and personalized wellness (including MELT Method, Pilates, and free community workshops).

New!

San Jose, California4 days ago

As the #1 New & Pre-Owned dealership in Northern California, we have the largest inventory, offer great values, above all we make sure that our Guests and Team Members are treated special; and that is one of the reasons that it's not only a pleasure to shop here but to work here as well. We provide the best possible guest experience for the thousands of guests we serve annually, whether they are purchasing a new vehicle, a pre-owned vehicle or having their vehicle serviced by one of our expert Technicians.

San Francisco, CA30+ days ago

$20–$30 Per Hour

Held, provides Expert Opinion, Management Consulting, and Advisory services related to intellectual property (IP) and other intangible assets; corporate accounting investigations; regulatory and reporting obligations; solvency and restructuring; and contractual or competition disputes. Practice offerings address economic damage calculations and testimony; technology and intangible asset valuation; strategy and risk management consulting; mergers and acquisitions; debt and equity private placement; and IP brokerage.

Corona, California12 days ago

Intern

Overview: PRMG's Summer Internship Program is designed to introduce college students to all the different career paths within the mortgage industry. At the end of the first two weeks, there will be a midterm exam to determine placement for the remaining six weeks of the program.

West Hollywood, CA26 days ago

As an intern, you’ll support clients across diverse industries—including Fashion, Beauty, Corporate Communications, Sustainability, Auto, Travel, Wine & Spirits, and Lifestyle—while learning the ins and outs of agency life. With offices in LA, NYC, and London, BPCM is a fully integrated global agency offering services in VIP & influencer relations, strategic consulting, affiliate marketing, partnerships, corporate communications, and press-worthy events.

Los Angeles, CA20 days ago

$18.50–$20 Per Hour

The company has a long-standing commitment to corporate social responsibility, including more than $1 billion invested in environmental sustainability; $65 million in charitable giving, education initiatives, and innovative health and wellness programs each year; and $143 million toward the construction of two charter school campuses in California’s Central Valley. Ranked No. 1 on the 2025 PEOPLE® Companies That Care list and one of Fortune® magazine’s “100 Best Companies to Work For” in the U.S., The Wonderful Company is continually recognized for its dedication to the well-being of its workforce, their communities, and the planet.

New!

Walnut Creek, CA4 days ago

Whether you're helping a customer find the perfect gift, streamlining operations in one of our distribution centers, enhancing our online shopping experience, buying in-style and on-trend merchandise to outfit our customers, or designing a balloon for the Thanksgiving Day Parade, we offer unique opportunities to be part of some of the most memorable moments in people's lives. The Store Management Internship Program is available in major markets nationwide and provides exposure to all facets of leading a store, including customer service, merchandising, business analysis, visual presentation, store operations, colleague development, human resources, and asset protection.

New!

Pleasanton, CA4 days ago

Whether you're helping a customer find the perfect gift, streamlining operations in one of our distribution centers, enhancing our online shopping experience, buying in-style and on-trend merchandise to outfit our customers, or designing a balloon for the Thanksgiving Day Parade, we offer unique opportunities to be part of some of the most memorable moments in people's lives. Available nationwide, the on-site Store Management Internship Program will give you exposure to all facets of leading a store including customer service, merchandising, business analysis, visual presentation, store operations, colleague development, human resources, and asset protection.

Roseville, CA30+ days ago

$20–$21 Per Hour

That's why our internship program is designed to give you real-world experience, meaningful projects, and a chance to explore the insurance industry from the inside out. You won't be fetching coffee — you'll be building skills, making connections, and discovering what a career in risk management and insurance could look like for you.

Rialto, CA7 days ago

$66,600–$79,800 Per Year

As an IDP, you will be exposed to various critical areas, including the core Aggregate functions of Mine Planning, Process Improvements, Quality and Reliability, Inventory Maintenance, and Data Management. Technical Proficiency: Previous experience from individuals who share our passion for the industry and have gained valuable insights through internships, co-op programs, or university projects.

Los Angeles, CA30+ days ago

Branded Content: Creates sponsored content with brand partners, combining creative ideas and strategy to deliver impactful campaigns across video, social, and live experiences. Unscripted: Creates formats, series, and documentaries that spotlight greatness across sports, music, and entertainment, including MegaCasts like the Emmy Award-winning ManningCast for ESPN2.

Perris, CA30+ days ago

We’ve been busy building a best-in-class logistics network that allows us to delight customers by speeding up deliveries, adding services, and reducing damage using our own physical, asset-based warehouses. Develop expertise in your area of focus to become a credible company expert, capable of providing accurate and clear answers to inquiries or knowing where to locate information.

Los Angeles, CA30+ days ago

Open for applications from excellent candidates who are seeking career paths in fashion advertising, consumer products and/or marketing. Our summer internship program is highly competitive as nearly 1k applications are received across the United States for 8 spots.

Los Angeles, CA30+ days ago

$22–$25 Per Hour

We’ve been honored as a National Fortune Best Workplace, a Fortune Best Workplace for Women, Millennials, and Parents, and one of America’s Best Employers by Forbes—along with numerous regional recognitions across our 11 offices nationwide. Placement within the listed range depends on many factors, including, but not limited to, years of experience, project size capability (for Construction & Field roles), and internal company equity.

New!

San Jose, CA5 days ago

In fact, 45 of our 57 partners either started their careers at Frank, Rimerman or grew into their partner roles while working here, many of whom participated in our internship program prior to accepting full-time positions. Bay Area-based Frank Rimerman + Co. specializes in providing accounting services to industry-leading firms, including many Silicon Valley pioneers.

San Jose, CA8 days ago

Requirements/Responsibilities Leader Internship Requirements: * Bachelors Degree or significant Military Experience * Ability to work full time with open availability * Can do atitude * Integrity * Excellent communication skills * Urge and willingness to serve and learn * Technology savvy + Social Media competency Special Instructions Please do not send any emails, resumes, or call. You will spend time learning to make an impact in: Hospitality Business Operation Leadership Kitchen Operations Quality & Food Safety Control Ordering and Accounting Marketing Technology and Systems development HR and Training Meeting facilitation This is a full time opportunity and offer excellent benefits and growth potential.

New!

San Francisco, CA4 days ago

$20–$24 Per Hour

Our teams are filled with smart and innovative people who have helped us achieve such accolades such as:* American Innovation Index Top 25 Most Innovative Companies, 2023* Barron's 100 Most Sustainable U.S. Companies, 2023* Newsweek's America's Greatest Workplaces, 2023* Newsweek's America's Greatest Workplaces for Women, 2022* Newsweek's America's Best Customer Service, 2024* Time World's Best Companies, 2024* Fortune 500 List, 2022OUR PROGRAMOur program is designed for undergraduate students graduating in 2027. Internships available at our San Francisco office* CRMABOUT YOU* You are in an undergraduate program in your junior year with an anticipated graduation date in 2027* GPA of 3.5 or above* Open to interning onsite at one of our brands in San Francisco* You have a passion for our family of brands, home décor, or retail* Know how to prioritize and move quickly to react to our ever-changing business* You're strategic and think critically to solve problems* Excel experience: vlooks-ups, pivot tables, etc…WHENOur multi-week program runs June 10th - August 14th (start date is flexible for students on the quarter system).WHERE*

Los Angeles, CA30+ days ago

Remote

What We Do: Brilliant is in its second decade as a fully remote company and is one of the most respected agencies serving consumer lifestyle brands with a specific focus on products, brands, and services for families including baby and maternity, toys and games, tech, housewares, and food. Brilliant PR & Marketing, one of the most respected and rapidly growing agencies focused on family-oriented brands, seeks a REMOTE Social Media Intern, 15 hours a week to help support the agency’s growing, award-winning team for the upcoming semester.

Mountain View, CA30+ days ago

With an open SaaS platform that supports easy consolidation and enrichment of any data, DataVisor's fraud and anti-money laundering (AML) solutions scale infinitely and enable organizations to act on fast-evolving fraud and money laundering activities in real time. DataVisor's platform is architected to support multiple use cases across different business units flexibly, dramatically lowering total cost of ownership, compared to legacy point solutions.

San Diego, California30+ days ago

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.

Riverside, CA7 days ago

This is not a temporary admin position - it is a structured training ground for individuals who want to learn how to operate, grow, and lead a real estate asset. High performers will receive structured mentorship, increasing responsibility, and direct exposure to asset-level decision making.

New!

San Jose, CA4 days ago

Must be pursuing a degree or completing a training program in an applicable discipline (Chemistry, Biology, Environmental Sciences, Sustainability, etc.). The intern will be responsible for tasks associated with warehouse duties, profiling/labeling hazardous waste, andother administrative projects.

Brea, CA30+ days ago

Kirkhill, Inc. a wholly-owned subsidiary of Transdigm, is a leading diversified manufacturer of highly engineered, organic, and in-organic elastomer based products. Optimize all aspects of manufacturing process by identifying opportunities and applying simpler, faster, more cost effective and reliable methods in all phases of manufacturing process.

Encino, California30+ days ago

Intern

Compton, CA30+ days ago

Full-time

The Sales Internship Program is designed for students interested in growing their sales expertise, working with industry professionals, and making a positive impact in the environmental services industry. The intern will be responsible for tasks associated with building business, as well as developing and maintaining strong customer relationships within multiple lines of business.

Fullerton, CA13 days ago

$2,600–$4,000 Per Month

This is a paid internship opportunity for people who are energetic, organized, reliable, and ready to learn valuable experience in direct sales, marketing, communication, and leadership. Looking for motivated students and ambitious individuals who want real-world experience, professional growth, and the opportunity to build strong business skills.

El Segundo, CA30+ days ago

SciTec values military experience and has a variety of opportunities for transitioning service members as part of the DoD Skillbridge program at all of our operating locations (Princeton, NJ; Boulder, CO; El Segundo, CA; Huntsville, AL; Dayton, OH). SciTec, Inc. is a dynamic small business with the mission to deliver advanced sensor data processing technologies and scientific instrumentation capabilities in support of National Security and Defense.

New!

Palo Alto, CA5 days ago

We design, develop, and manufacture light eVTOL aircraft and are renowned for the BlackFly aircraft the world's first light eVTOL to fly manned missions and enter the consumer market. Efficient, compact, and simple, Pivotal aircraft are designed for a wide range of consumer, public service, and defense applications.

San Francisco, CA30+ days ago

By combining data, technology and expertise, Form's solutions accelerate timelines from discovery to clinic by providing drug developers with rapid in silico characterization and optimization of their therapeutics — enabling higher yields, better expression, enhanced safety and shorter, less-expensive development cycles. With cross-disciplinary expertise spanning software engineering, biology, bioinformatics, AI, data science and wet lab validation, the Form Bio team collaborates closely with customers on their most pressing and strategic challenges and opportunities.

San Diego, CA16 days ago

$2,000–$6,000

The program provides students with opportunities to develop career-relevant, workforce-aligned skills through certificate pathways in Arts Management, Data Analysis and Visualization, and Project and Process Management, while also gaining applied professional experience through paid internships. While the seminar is primarily asynchronous, it also includes monthly in-person sessions featuring guest speakers, alumni, employers, and interactive professional development activities designed to help students connect their academic learning with career pathways and workplace expectations.

St. Helena, CALIFORNIA24 days ago

Job ID: 16522 Description: This role provides hands-on experience that directly impacts operations and guest experiences and is an excellent opportunity for anyone interested in hospitality, tourism, or food and beverage management. What Were Looking For: · A student or recent graduate in Hospitality, Tourism, Recreation and Event Management, Food and Beverage Management, Business or Retail.

New!

Napa, CA4 days ago

Harvest Internship Opportunities (starting as early as April 2026)Grower Relations Harvest Intern - Possible locations include Sonoma, Napa, Paso Robles, and LodiLaboratory Harvest Intern - Possible locations include Paso Robles, St. Helena, Beaulieu VineyardsHarvest Cellar Intern - Possible locations include Stags' Leap Winery, Beaulieu Vineyards, Etude, St. Helena, Frank Family VineyardsViticulture Harvest Intern - Possible locations include Carneros, Napa, Sonoma, Paso RoblesHarvest Enologist Intern - Possible locations include St. Competitive Pay* Opportunities to work with a variety of AVAs and luxury wine brands* Global, Diverse culture built on an entrepreneurial spirit* Employee discounts on wine* Development and career growth opportunities* Partnership discounts

New!

Berkeley, CA4 days ago

Help build our podcast: Plan episodes, coordinate guests-technologists, developers, scientists, our founders, our engineering and science teams-and keep the series moving. Nice to HaveFamiliar with video editing software and tools and experience producing or editing short-form content for YouTube, podcasts, or social media .

New!

Van Nuys, CA4 days ago

This is a paid internship for individuals who want to grow into leadership and eventually manage-or even own-their own business one day. If you're ready to build your career and learn how successful businesses are run, this internship is the perfect place to start.

Beverly HIlls, CA26 days ago

HouseBuildr is offering a paid internship designed for college students and young professionals who want to gain real-world experience in sales, communication, and leadership — skills that will set you apart in any career. Motivated learners who want to grow personally and professionally.

New!

Stockton, CA4 days ago

Family, Loyalty, Passionate, Integrity, Innovation, Respect for People and Socially Conscious are the values we uphold to create positive culture, retain top talent, and earn trust and respect from customers and partners. Must be enrolled in school and working towards a degree in construction management, architecture, civil, electrical or mechanical engineering or a related engineering field.

New!

Mountain View, CA5 days ago

Known for its search prowess and targeted marketing, Google is constantly expanding its technological reach, covering everything from email and blogs to online books and videos. Started as a Stanford University graduate student project by Larry Page and Sergey Brin in the mid-1990s, its original name, "BackRu.

Fullerton & Buena Park, CA13 days ago

i9 Sports offers youth sports leagues and clinics for kids ages 3-13 in today’s most popular sports such as flag football, soccer, basketball, volleyball, tennis and (T-Ball) baseball. i9 Sports® is the nation’s first and largest youth sports league for 20 years in the United States with over 5 million registrations in more than 500 communities all across the USA.

Salinas, CA11 days ago

The internship will focus on conducting trials involving emerging food safety and quality technologies, supporting traceability initiatives meeting FSMA 204 requirements, and driving continuous improvement efforts. Additionally, the intern will gain exposure to multiple areas of the business through interviews and shadowing opportunities within agricultural operations and manufacturing facilities.

Irvine, CA30+ days ago

Part-time

We exist to transform technology into a revenue‑generating arm of the real estate business, building products and platforms that directly support our tenants, partners, and the teams who serve them every day. Strong technical problem-solving skills, including practical experience with data structures, storage systems, cloud infrastructure, front-end frameworks, and related technologies.

Riverside, CA30+ days ago

Full-time

The Temporary Assistant - Professional Student Intern class consists of current high school students with a valid work permit, undergraduates, graduates, doctoral students, or recent graduates with a major study area directed towards a specific profession and departmental assignments. Incumbents within the Temporary Assistant - Professional Student Intern classification are distinguished from regular County employees in that their employment is temporary, exempt from the County merit system, Cost of Living Adjustments (COLA) as well as most County-provided employee benefits, and serve in an "At-Will" status.

Santa Clara, CA30+ days ago

Internship Term Internship Dates Application Deadlines Winter/Spring Internship In Session2027 Dates TBD Summer Internship June 17, 2026 - August 21, 2026 June 3, 2026 Fall Internship September 9, 2026 - November 20, 2026 August 26, 2026. Other responsibilities may include acting as a liaison between CAIR and the local Muslim and non-Muslim communities, organizing outreach programs with Islamic centers, and developing and implementing strategies to attract individuals to become involved with CAIR.

Los Angeles, CA7 days ago

Fueled by passion and entrepreneurial spirit, our people bring new ideas to solvethe world's mostchallenging problems, like designing amoreresilient, inclusive, and equitable future for our communities and cities. Support Communications Managers, Internal Communications Specialist, Presentation Designers with a variety of both internal and external communications and marketing projects .

Hollywood, CA30+ days ago

$5,000–$8,000

Top-performing setters are promoted into closing roles or team leadership, where income and impact can scale rapidly. If you’re passionate about helping people and confident in your ability to engage — this is your foot in the door to a high-earning solar career.

New!

Sacramento, CA5 days ago

Implementation, certification, testing and maintenance of Management systems for the management of quality, IT services and information security, including: ISO 9001, ISO 14001, HACCP, ISO/TS 16949, ISO 17025, OHSAS 18001, ISO 20000, ISO 22000, ISO 22301, ISO 27001, ISO 27005, ISO 31000, ISO 500014. Students will work from home, and they will be responsible for promoting and collecting likes for our Facebook page ( facebook.com/usinside ) and for our website ( usa-inside.com

Foster City, CA30+ days ago

Remote

At QuinStreet, we're looking for curious, driven spring graduates to join our six-month Analytics Bootcamp, a hands-on learning experience designed to jump-start your career in Online Marketing. Our campaign-results-driven matching decision engines and optimization algorithms are built from over 20 years and billions of dollars of online media experience.

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Internship Business Jobs in California

Engineering Technician Internship (Engineering Technician 1) Company Confidential

2026 Summer Internship Opportunity: Finance, Insurance, and Business Development Carranza Insurance Agency

Staff Accountant x 60K - 70K + bonus x Westside Company Confidential

Business Development Internship | Fall 2026 Brilliant

Business Operations Management Internship Anderson Sport and Wellness

Lexus Stevens Creek Summer Internship Penske Motor Group

Ocean Tomo Summer Internship Ocean Tomo, LLC

Summer Internship Mortgage Paramount Residential Mortgage Group

Summer Internship - Influencer & Celebrity Relations BPCM

Wonderful Scholar Summer Internship, Agency The Wonderful Company

Macy's 2026 Summer Internship, Store Management - Walnut Creek, CA Macy’s

Macy's Summer Internship, Store Management - Pleasanton, CA Macy’s

Access Insurance Internship Amwins Internships

PROFESSIONAL INTERNSHIP DEVELOPMENT AGGREGATES Cemex

2026 Internship Program Omaha Productions

Supply Chain Summer Internship Wayfair

Dress A Med - Fashion Marketing & Advertising - Paid Internship Dress A Med

Construction Finance - Summer Internship Shawmut

Frank Rimerman & Co. Summer Internship vault

LEADERSHIP INTERNSHIP - Exciting Career Opportunity Chick-fil-A - @First

2026 Williams-Sonoma Corporate Internship Williams-Sonoma

Social Media Internship | Fall 2026 Brilliant

AI/Machine Learning Engineering Summer Internship DataVisor

Sales Internship Aerotek

Leasing Internship (Paid) Friendly Franchisees

Hazardous Waste Technician Internship Clean Harbors

Rotation Summer Internship Kirkhill Inc.

Internship - Real Estate Brokerage Matthews Real Estate Investment Services, Inc

Sales Representative Internship Clean Harbors

Paid Internship – Direct Sales & Marketing Representative (Fullerton, CA & Surrounding Areas) Ark Mgt

DoD Skillbridge Internship for Transitioning Military Service Members SciTec

Internship, Electrical Engineering (Summer 2026) PIVOTAL

Form Bio Internship: Scientific Strategy & Operations Form Bio

Degree Plus Internship and Career Development Seminar Instructor UC San Diego

Hospitality Internship Coast Personnel

Harvest Internships Treasury Wine Estates

Summer Internship - Communications Valency Systems

Entrepreneurship Internship Carl's Jr. (Paid) Friendly Franchisees

Paid Internship– Learn Sales, Leadership (located in Los Angeles ONLY) Housebuildr Inc

UOP Educational Internship COLLINS ELECTRIC

Google Internship Program vault

VOLUNTEER KIDS COACH NON PAID Internship i9 Sports - West Anaheim/Fullerton/Buena Park, CA

Food Safety and Quality Internship Fresh Express

Forward Deployed Software Engineer Internship Healthpeak Properties, Inc.

Dept. of Public Social Services - Paid Student Internship County of Riverside

College Internship CAIR San Francisco Bay Area

Student Internship - Communications and Marketing Gensler

Renewable Energy Internship Program (LIVES IN/NEAR LOS ANGELES ONLY) Housebuildr Inc

Facebook Administrator - Paid Internship Atia

Performance Marketing & Analytics Internship Program (Undergraduate - Spring 2026 Graduates) QuinStreet

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