229 Results for

Summer Business Jobs in California

Jobs

New!

San Francisco, CAToday

$5,000–$6,000

Works with: CEO and the rest of the leadership team Duration: 12 or more weeks, full-time (Summer 2026) Compensation: $5,000–$6,000 / month + meaningful exposure and a potential path to a full-time offer Location: San Francisco (Jackson Square) - onsite, high-collaboration role. We're building the modern, healthy PepsiCo: a next-generation functional nutrition company making vibrant wellness effortless for millions of Americans through scientifically advanced, delicious products.

New!

San Diego, CA2 days ago

$13.10–$28.40

At KinderCare Learning Companies, the first and only early childhood education provider recognized with theGallup Exceptional Workplace Award, we offer a variety of early education and child care options for families. Whether you’re partnering with administrators to bring our programs to their district, or buddying up with students to aim higher, think bigger, and never give up, you’ll be leading the way toward inspired learning.

south san francisco, CA13 days ago

Full-time
Employee

Be a key member of the HR leadership team, providing both strategic and tactical support for a region covering up to 1000 employees across hourly workforce population including FT, PT.Maintain a strong field presence: regularly visiting sites, building relationships, and acting as a first point of contact for HR matters, policy questions, and day-to-day support. Experience supporting high-volume, field-based operations and hourly workforce populations (such as manufacturing, distribution/logistics, Hospitality or Retail)Demonstrated success operating in organizations with multiple locations, complex schedules, and shifting priorities.

Rancho Palos Verdes, CA8 days ago

$20,800–$20,800.01 Per Year
Full-time
Employee

SPIRIT AND UNDERSTANDING: By accepting employment with The Salvation Army, you acknowledge that The Salvation Army is a church, agree to do nothing to undermine its religious mission and acknowledge that your conduct must not conflict with or undermine the religious program of The Salvation Army Camp Arnold, or its religious and moral purposes. Health Insurance: Low bi-weekly premiums ($34.62) for employee only coverage, Kaiser HMO for those residing in a Kaiser service area, Anthem EPO/PPO is available for those residing outside of a Kaiser service area.

Rancho Palos Verdes, CA8 days ago

$18,200–$18,200.01 Per Year
Full-time
Employee

Health Insurance: Low bi-weekly premiums ($34.62) for employee only coverage, Kaiser HMO for those residing in a Kaiser service area, Anthem EPO/PPO is available for those residing outside of a Kaiser service area. Parental Leave: Benefit will be one week (5 business days) of paid leave at the employee's normal rate of pay for births, adoptions and foster placements.

Port Hueneme, CA14 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.

Manhattan Beach, CA30+ days ago

Assist with industry and target company research; Participate in direct outreach to target companies; Shadow calls with target company management and assist in company analysis; Support and shadow day-to-day Business Development operations; Work within our proprietary systems to assist with data uploading and cleanliness; Support current team members in various responsibilities, as assigned. High intellectual curiosity and strong people skills; Self-starter; ambitious; team-oriented; Exemplary communication and relationship skills (verbal and written); Entrepreneurial spirit with a positive attitude; Preferred (first generation college students are encouraged to apply).

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.

Long Beach, CA30+ days ago

To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Our Space Systems business designs and builds our extensive line of satellites, payloads, and their components, including spacecraft that have been selected to support NASA missions to the Moon and Mars and components used on the James Webb Space Telescope.

Los Gatos, CA30+ days ago

$16.90–$18.50 Per Hour

Agency Information:Amenities include fitness center, heated pool, children's pool, lighted tennis courts, full gymnasium, event auditorium and meeting rooms, athletic field, physical therapy clinic, free parking, acclaimed preschool for ages 18 months-5 years, day camp, recreation program for children with special needs, birthday parties, Center for Jewish Life & Learning, holiday celebrations, Judaica and Hebrew classes, enrichment classes on a variety of topics for all ages, sports programs for children and adults. Individuals must ensure day camp operates in a safe manner at all times, supervise participants while taking part in off and on-site activities, including but not limited to field trips, art, swimming, games, sports, etc.

Los Gatos, CA30+ days ago

$16.90–$18 Per Hour

Agency Information:Amenities include fitness center, heated pool, children's pool, lighted tennis courts, full gymnasium, event auditorium and meeting rooms, athletic field, physical therapy clinic, free parking, acclaimed preschool for ages 18 months-5 years, day camp, recreation program for children with special needs, birthday parties, Center for Jewish Life & Learning, holiday celebrations, Judaica and Hebrew classes, enrichment classes on a variety of topics for all ages, sports programs for children and adults. Effect on End Result: The effectiveness of this position will be measured by: Purposeful and coordinated programs that advance Camp and JSV strategic goals, good public relations, sound financial position, and good records systems.

Los Gatos, CA30+ days ago

$16.90–$25 Per Hour

Agency Information:Amenities include fitness center, heated pool, children's pool, lighted tennis courts, full gymnasium, event auditorium and meeting rooms, athletic field, physical therapy clinic, free parking, acclaimed preschool for ages 18 months-5 years, day camp, recreation program for children with special needs, birthday parties, Center for Jewish Life & Learning, holiday celebrations, Judaica and Hebrew classes, enrichment classes on a variety of topics for all ages, sports programs for children and adults. Demonstrate sensitivity to the needs of campers of all ages, interact appropriately with campers in a variety of situations, appropriately model behavior and use positive behavior management techniques, enthusiasm, sense of humor, patience, good sportsmanship, and self-control.

Los Gatos, CA30+ days ago

$18–$25 Per Hour

Agency Information:Amenities include fitness center, heated pool, children's pool, lighted tennis courts, full gymnasium, event auditorium and meeting rooms, athletic field, physical therapy clinic, free parking, acclaimed preschool for ages 18 months-5 years, day camp, recreation program for children with special needs, birthday parties, Center for Jewish Life & Learning, holiday celebrations, Judaica and Hebrew classes, enrichment classes on a variety of topics for all ages, sports programs for children and adults. Demonstrate sensitivity to the needs of campers of all ages, interact appropriately with campers in a variety of situations, appropriately model behavior and use positive behavior management techniques, enthusiasm, sense of humor, patience, good sportsmanship, and self-control.

Costa Mesa, CA30+ days ago

Temporary

As a Camp Counselor, you will be an active participant in all camp activities and will assist your Camp Director with a variety of daily tasks, all with the goal of creating a memorable and meaningful camp experience for your campers. We partner with over 230 private clubs all over the country to implement traditional-style day camps for elementary-aged children.

West Hollywood, CA29 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.

Novato, CA30+ days ago

Temporary

Larkspur, CA30+ days ago

$20–$24 Per Hour
Temporary

Within a developmentally informed and play-based program, camp counselors are encouraged and supported to create meaningful experiences for young campers (ages 2-7). During a workday in the Marin Primary & Middle School summer camp, a Lead Summer Camp Counselor should expect to: Sit, walk, stand.

Larkspur, CA30+ days ago

$17–$18.50 Per Hour
Temporary

Within a developmentally informed and play-based program, camp counselors are encouraged and supported to create meaningful experiences for young campers (ages 2-7). During a workday in the Marin Primary & Middle School summer camp, an Assistant Camp Counselor should expect to: Sit, walk, stand.

Los Gatos, CA30+ days ago

$16.90–$19 Per Hour

Agency Information:Amenities include fitness center, heated pool, children's pool, lighted tennis courts, full gymnasium, event auditorium and meeting rooms, athletic field, physical therapy clinic, free parking, acclaimed preschool for ages 18 months-5 years, day camp, recreation program for children with special needs, birthday parties, Center for Jewish Life & Learning, holiday celebrations, Judaica and Hebrew classes, enrichment classes on a variety of topics for all ages, sports programs for children and adults. Rotate camp responsibilities in conjunction with other Program Specialists under the direction of the Camp Director and Assistant Camp Director including lunchtime supervision, swim supervision, field trips, all camp activities, special events and other duties as needed.

Corona, California15 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.

Lathrop, 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. If you require a reasonable accommodation to participate in the job application or interview process, please let us know by completing our Accomodations for Applicants form (https://docs.google.com/forms/d/1ElBqKaQYGR9j0NiQHQYCGbHkqKqN746Nk62pI32IyLU) .

Los Angeles, CA23 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.

San Jose, California7 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.

Walnut Creek, CA30+ days ago

If hired, you will work in person in a schooled-aged camp setting to provide supervision, care, program delivery, and services per Steve & Kate's Camp and Bright Horizons’ policies, procedures and guidance, in compliance with any applicable laws and regulations, and in a manner that will ensure the safety of children in Steve & Kate's Camp's care and the employee. Physical RequirementsThis position requires the employee to comply with all applicable federal, state, local, Steve & Kate's Camp, Bright Horizons’, and client site requirements concerning immunizations, employment physical/screening, and health and safety training.

San Diego, CA30+ days ago

Santa Monica, CA30+ days ago

Pleasanton, CA30+ days ago

San Jose - Berryessa, CA30+ days ago

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.

Riverside, CA30+ days ago

Full-time

Applicants for employment in the US must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States and with Kroger Co (i.e., H1-B visa, F-1 visa (OPT), TN visa or any other non-immigrant status). Applicants must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States and with Kroger Co (i.e., H1-B visa, F-1 visa (OPT), TN visa or any other non-immigrant status).

Riverside, CA30+ days ago

Full-time

La Habra, CA30+ days ago

Full-time

From one tiny Cincinnati grocery store more than a century ago, we've grown into what today is the nation's largest grocer with nearly 2,800 stores in 35 states operating under 28 different names. Applicants for employment in the US must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States and with Kroger Co (i.e., H1-B visa, F-1 visa (OPT), TN visa or any other non-immigrant status).

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.

Rocklin, CA30+ days ago

This internship applies the general knowledge of the physical sciences and mathematics underlying engineering and specialized knowledge of the mechanics of solids (particularly of soils), hydraulics, theory of structure, strength of materials, engineering geology and surveying. Forgen is seeking students pursuing degrees in Civil Engineering, Construction Management, or related field; and other interested candidates to join our various project locations for internship opportunities.

Roseville, CA30+ days ago

Full-time

The U.S. Food and Drug Administration has authorized versions of PMI's IQOS electronically heated tobacco devices and Swedish Match's General snus as Modified Risk Tobacco Products and renewal applications for these products are presently pending before the FDA. Since 2008, PMI has invested $12.5 billion globally to develop, scientifically substantiate and commercialize innovative smoke-free products for adults who would otherwise continue to smoke with the goal of transitioning legal-age consumers who smoke to better alternatives.

New!

San Francisco, CAToday

An international internship program provider seeks interns for Summer 2025 internships in France. Internships will be available in various fields such as Business, Marketing, and Fine Arts.

Irvine, CA30+ days ago

Remote

Success by the end of the internship will be demonstrated by improved CRM data accuracy, streamlined case routing processes, contributions to revenue initiatives, and the intern's ability to independently manage assigned operational tasks. Support CRM data integrity initiatives, including ensuring contracts are accurately attached and reflected within SFDC opportunities to maintain reporting accuracy and revenue visibility.

Redondo Beach, CA30+ days ago

We are seeking motivated and enthusiastic individuals who are eager to learn and dedicated to helping our team in providing exceptional services to children diagnosed with autism who are receiving ABA intervention at our beautiful learning center. Learning and Development: Take advantage of countless learning opportunities throughout the internship period and and gain valuable skills and knowledge about developmental learning challenges, treatment assessment and intervention, practice management, health care, and administrative functions.

New!

Santa Ana, California2 days ago

Intern

As an intern, they will actively collaborate with multiple departments, analyze revenue pipelines, track key performance indicators (KPIs), and help optimize our sales processes. Education and Experience: Education: Currently pursuing a bachelor’s degree in finance, Accounting, Economics, Business Analytics, or a related quantitative field.

New!

Fremont, CAToday

A marketing assistant is responsible for supporting the commercial marketing team in executing marketing activities not limited to campaigns and strategies that promote our brand, product and services. The marketing assistant will assist in content creation, campaign planning, social media management and research while developing their skills in a fast-paced professional environment.

San Fernando, CA30+ days ago

Full-time

You might be a good fit if you are: Pursuing a bachelors or associates degree in any areas of Horticulture such as the following: Landscape Architecture, Civil Engineering, Construction Science, Construction Management, Agriculture-Business, Landscape Design or Plant Science. Project Coordination – Working with a Project Manager, manage document control including change orders, billings, field production tracking, purchasing documentation and contract administration.

Fremont (Harvey Community Park), CA30+ days ago

If hired, you will work in person in a schooled-aged camp setting to provide supervision, care, program delivery, and services per Steve & Kate's Camp and Bright Horizons’ policies, procedures and guidance, in compliance with any applicable laws and regulations, and in a manner that will ensure the safety of children in Steve & Kate's Camp's care and the employee. This position requires the employee to comply with all applicable federal, state, local, Steve & Kate's Camp, Bright Horizons’, and client site requirements concerning immunizations, employment physical/screening, and health and safety training.

Los Gatos (Blossom Hill Park), CA30+ days ago

If hired, you will work in person in a schooled-aged camp setting to provide supervision, care, program delivery, and services per Steve & Kate's Camp and Bright Horizons’ policies, procedures and guidance, in compliance with any applicable laws and regulations, and in a manner that will ensure the safety of children in Steve & Kate's Camp's care and the employee. This position requires the employee to comply with all applicable federal, state, local, Steve & Kate's Camp, Bright Horizons’, and client site requirements concerning immunizations, employment physical/screening, and health and safety training.

Fremont, CA30+ days ago

If hired, you will work in person in a schooled-aged camp setting to provide supervision, care, program delivery, and services per Steve & Kate's Camp and Bright Horizons’ policies, procedures and guidance, in compliance with any applicable laws and regulations, and in a manner that will ensure the safety of children in Steve & Kate's Camp's care and the employee. This position requires the employee to comply with all applicable federal, state, local, Steve & Kate's Camp, Bright Horizons’, and client site requirements concerning immunizations, employment physical/screening, and health and safety training.

Saratoga (Kevin Moran Park), CA30+ days ago

If hired, you will work in person in a schooled-aged camp setting to provide supervision, care, program delivery, and services per Steve & Kate's Camp and Bright Horizons’ policies, procedures and guidance, in compliance with any applicable laws and regulations, and in a manner that will ensure the safety of children in Steve & Kate's Camp's care and the employee. This position requires the employee to comply with all applicable federal, state, local, Steve & Kate's Camp, Bright Horizons’, and client site requirements concerning immunizations, employment physical/screening, and health and safety training.

Menlo Park (Nealon Park), CA30+ days ago

If hired, you will work in person in a schooled-aged camp setting to provide supervision, care, program delivery, and services per Steve & Kate's Camp and Bright Horizons’ policies, procedures and guidance, in compliance with any applicable laws and regulations, and in a manner that will ensure the safety of children in Steve & Kate's Camp's care and the employee. This position requires the employee to comply with all applicable federal, state, local, Steve & Kate's Camp, Bright Horizons’, and client site requirements concerning immunizations, employment physical/screening, and health and safety training.

Burlingame (Cuernavaca Park), CA30+ days ago

If hired, you will work in person in a schooled-aged camp setting to provide supervision, care, program delivery, and services per Steve & Kate's Camp and Bright Horizons’ policies, procedures and guidance, in compliance with any applicable laws and regulations, and in a manner that will ensure the safety of children in Steve & Kate's Camp's care and the employee. This position requires the employee to comply with all applicable federal, state, local, Steve & Kate's Camp, Bright Horizons’, and client site requirements concerning immunizations, employment physical/screening, and health and safety training.

Mountain View (Sylvan Park), CA30+ days ago

If hired, you will work in person in a schooled-aged camp setting to provide supervision, care, program delivery, and services per Steve & Kate's Camp and Bright Horizons’ policies, procedures and guidance, in compliance with any applicable laws and regulations, and in a manner that will ensure the safety of children in Steve & Kate's Camp's care and the employee. This position requires the employee to comply with all applicable federal, state, local, Steve & Kate's Camp, Bright Horizons’, and client site requirements concerning immunizations, employment physical/screening, and health and safety training.

Los Altos (Shoup Park), CA15 days ago

If hired, you will work in person in a schooled-aged camp setting to provide supervision, care, program delivery, and services per Steve & Kate's Camp and Bright Horizons’ policies, procedures and guidance, in compliance with any applicable laws and regulations, and in a manner that will ensure the safety of children in Steve & Kate's Camp's care and the employee. This position requires the employee to comply with all applicable federal, state, local, Steve & Kate's Camp, Bright Horizons’, and client site requirements concerning immunizations, employment physical/screening, and health and safety training.

Sunnyvale (Raynor Park), CA30+ days ago

If hired, you will work in person in a schooled-aged camp setting to provide supervision, care, program delivery, and services per Steve & Kate's Camp and Bright Horizons’ policies, procedures and guidance, in compliance with any applicable laws and regulations, and in a manner that will ensure the safety of children in Steve & Kate's Camp's care and the employee. This position requires the employee to comply with all applicable federal, state, local, Steve & Kate's Camp, Bright Horizons’, and client site requirements concerning immunizations, employment physical/screening, and health and safety training.

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Summer Business Jobs in California

AI Automation Intern - Summer 2026 Aonic

Champ Camp Counselor at St. Dunstan's Episcopal Church KinderCare Education

HR Business Partner (Field-Based - NorCal) Company Confidential

Summer Night Shepherd/ Program Aide -$400/week The Salvation Army Northwest Division

Summer Office Assistant - $350/week The Salvation Army Northwest Division

Engineering Technician Internship (Engineering Technician 1) Company Confidential

Intern, Business Development (Summer 2026) K1

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

Business Development Intern Summer 2026 Rocket Lab Corporation

Summer Camp Counselor 21+ JCCs of North America

Summer Camp Counselor JCCs of North America

Summer Camp Inclusion Counselor JCCs of North America

Summer Camp Inclusion Specialist JCCs of North America

Summer Day Camp Counselor-Intern KE Camps

Summer Internship - Influencer & Celebrity Relations BPCM

Summer Day Camp Counselor KE Camps

Lead Summer Camp Counselor Marin Primary & Middle School

Assistant Summer Camp Counselor Marin Primary & Middle School

Summer Camp Sports & Swim Specialist JCCs of North America

Summer Internship Mortgage Paramount Residential Mortgage Group

Supply Chain Summer Internship Wayfair

Wonderful Scholar Summer Internship, Agency The Wonderful Company

Lexus Stevens Creek Summer Internship Penske Motor Group

Summer Camp Counselor - Walnut Creek Steve & Kate's Camp

Summer Camp Counselor - San Diego Steve & Kate's Camp

Summer Camp Counselor - Santa Monica Steve & Kate's Camp

Summer Camp Counselor - Pleasanton Steve & Kate's Camp

Summer Camp Counselor - San Jose - Berryessa Steve & Kate's Camp

Construction Finance - Summer Internship Shawmut

Summer 2026 Human Resource Intern Supply Chain - Riverside Kroger Co.

Summer 2026 Human Resource Intern Supply Chain - Riverside Kroger Supply Chain

Summer 2026 Maintenance Intern- Supply Chain Kroger Co.

Ocean Tomo Summer Internship Ocean Tomo, LLC

Project Engineer Summer Internship Forgen

Territory Sales Summer Intern - Roseville, CA Philip Morris International U.S.

Paris Paid Internship - Summer 2025 in France Study Abroad Europe

Revenue Operations Analyst Summer Intern Pacvue

2026 Summer Intern (Non-Paid) FirstSteps for Kids, Inc.

Sales Finance Operations Analyst - Summer Internship Yokohama Tire Corporation

Marketing Assistant (Summer Internship) ASUS Computer International

Summer Internship BrightView Landscapes

Summer Field Trip Camp Counselor - Fremont (Harvey Community Park) Steve & Kate's Camp

Summer Field Trip Camp Counselor - Los Gatos (Blossom Hill Park) Steve & Kate's Camp

Summer Field Trip Camp Counselor - Fremont Steve & Kate's Camp

Summer Field Trip Camp Counselor - Saratoga (Kevin Moran Park) Steve & Kate's Camp

Summer Field Trip Camp Counselor - Menlo Park (Nealon Park) Steve & Kate's Camp

Summer Field Trip Camp Counselor - Burlingame (Cuernavaca Park) Steve & Kate's Camp

Summer Field Trip Camp Counselor - Mountain View (Sylvan Park) Steve & Kate's Camp

Summer Field Trip Camp Counselor - Los Altos (Shoup Park) Steve & Kate's Camp

Summer Field Trip Camp Counselor - Sunnyvale (Raynor Park) Steve & Kate's Camp

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