35 Results for

Summer Jobs in Fontana, CA

Jobs

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.

Costa Mesa, CA30+ days ago

Temporary

Costa Mesa, CA30+ days ago

Temporary

As you manage campers, their families, club logistics, your small staff team and other camp happenings, you will be truly supported by the KE Camps Year-Round Office all the way. Our Camp Directors have real ownership over their camp programs and enjoy infusing their own creativity and talents into their weekly schedules.

Corona, California9 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.

Irvine, CA30+ days ago

TRL11 is a venture backed deep tech / defense tech startup bringing cutting-edge video technology to Aerospace applications. Summer internships typically cover a wide range of disciplines, including mechanical, electrical, optical, manufacturing, software, and test engineering.

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.

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).

Irvine, CA30+ days ago

Remote

Pacvue is seeking an Engagement & Development Summer Intern to support key HR initiatives, including building Confluence resources, enhancing our internal employee learning platform (LearnUpon), and contributing to employee development programs. Focus: Build/organize HR Confluence pages, support the expansion of HR L&D content, and provide overall support on ongoing Engagement initiatives.

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.

Irvine, CA9 days ago

You’ll focus on creating meaningful connections and fun summer experiences with children, while we provide the support of a caring team and opportunities to make a real difference. Be Playful – Spend your summer enjoying games, crafts, outdoor play, and creative activities alongside kids.

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.

Rancho Cucamonga, CA30+ days ago

$18–$20

As a Swim Instructor, you'll teach essential swimming skills, instill confidence, promote a love for swimming, and ensure a safe and supportive learning environment. In this role, you'll provide high-quality swim instruction to individuals or groups, focusing on water safety, stroke development, and overall aquatic skills in Rancho Cucamonga.

Garden Grove, CA28 days ago

You’ll be an essential part of our dynamic workforce as an independent contractor, ready to respond and commute to on-site work opportunities at nearby K-12 schools and nonprofits via the BrightBee app. Instructors also receive ongoing coaching and periodic refresher training (a few hours each semester) to ensure confidence in classroom delivery and continued program quality.

Irvine, CA30+ days ago

$54,000–$72,000 Per Year

Current enrolled at an accredited university for the duration of the Internship project pursuing a Bachelor’s degree in Environmental Health and Safety, Environmental Sciences, Occupational Health and Safety, Chemical Engineering, Industrial Engineering, Environmental Science, or a related field. + Day‑to‑day work includes reviewing air quality data, conducting gap and applicability assessments, tracking corrective actions, maintaining documentation, and supporting verification activities.

New!

Ontario, CA4 days ago

$17–$17.75 Per Hour

Pay Transparency: To encourage pay transparency, promote pay equity, and proactively address regulations, ASICS America Corporation will comply with all applicable state or local laws or regulations which require employers to provide wage or salary range information to job applicants and employees. Position Purpose / Summary Statement: The Team Player is to deliver a great client experience through assessing needs, product education and engaging communication to provide a personalized shopping environment.

Irvine, CA30+ days ago

Remote

The Product Marketing Intern will support growth initiatives for Helium 10 Ads by helping execute high priority marketing programs and gathering insights that improve adoption. Pacvue's internship program runs across two 9-week cohorts, and candidates may choose the option that best fits their schedule: Cohort 1 (May 18 – July 17) or Cohort 2 (June 15 – August 14).

Diamond Bar, CA30+ days ago

$18–$20

As a Summer Swim Instructor, you'll teach essential swimming skills, instill confidence, promote a love for swimming, and ensure a safe and supportive learning environment. In this role, you'll provide high-quality swim instruction to individuals or groups, focusing on water safety, stroke development, and overall aquatic skills in Diamond Bar.

Irvine, CA24 days ago

$26–$47.50 Per Hour

Currently enrolled in an Electrical Engineering (or related) BS, MS or PhD program• Commitment to work onsite for 6 months from June/July to December 2026• Strong desire to learn, grow, and make an impact• Strong career interest in analog circuit design• Willing to share knowledge and collaborate with others• Must have experience with Microsoft Word, Excel, PowerPoint, and Outlook• Experience with Cadence Virtuoso and SPICE is highly preferred• Exposure to lab tools such as Oscilloscope, Function Generator, Multimeter etc.#LI-DJ1The typical pay range for an Engineering intern across the U.S. is currently USD $26.00 - $47.50 per hour and for a Non-Engineering intern across the U.S. is currently USD $22.50 - $42.00 per hour. In this Analog IC Design Summer/Fall Co-Op opportunity at Skyworks, you will learn and participate in developing advanced, state-of-the-art RF front-end modules, working with seasoned engineering professionals and collaborating with subject matter experts within Skyworks.

Irvine, CA30+ days ago

$26–$47.50 Per Hour

At Skyworks, you will find a fast-paced environment with a strong focus on global collaboration, minimal layers of management, and the freedom to make meaningful contributions in a setting that encourages creative thinking. Develop new algorithms or improve existing ones using programming languages such as Python and other visual programming tools such as Knime or Alteryx or Microsoft SSIS.

Irvine, CA30+ days ago

$26–$47.50 Per Hour

At Skyworks, you will find a fast-paced environment with a strong focus on global collaboration, minimal layers of management, and the freedom to make meaningful contributions in a setting that encourages creative thinking. The candidate will support activities that contribute to making forward looking decisions with the demand plan and communicates those decisions to stakeholders including Supply Chain, Marketing, and our external customers.

Irvine, CA30+ days ago

$26–$47.50 Per Hour

This position includes responsibility for both development and sustaining activities: • Explore and Analyze: Dive into ATE test data, generate insightful summary reports, and help uncover trends and conclusions that drive product decisions. At Skyworks, you will find a fast-paced environment with a strong focus on global collaboration, minimal layers of management, and the freedom to make meaningful contributions in a setting that encourages creative thinking.

New!

Irvine, CA1 day ago

$26–$47.50 Per Hour

We are looking for a Supply Chain & Demand Management Summer/Fall Co-Op to join the team in Irvine, CA, for a 6-month period starting in June 2026 and ending in December 2026. The candidate will support activities that contribute to making forward looking decisions with the demand plan and communicates those decisions to stakeholders including Supply Chain, Marketing, and our external customers.

San Jacinto, CA9 days ago

Operations: Lead groups of 15–20 students, transport provided culinary kits, and teach fun recipes from our curriculum like: i.e. Black Bean Quesadillas and Crispy Chicken Tenders. We’ve taught over 75,000 students since 2010 and are looking for passionate individuals to join our team of 200+ Chef Teachers.

Irvine, CA30+ days ago

$20–$26 Per Hour

We are changing the game by providing high quality and regularly scheduled supervisory support which help you make a difference in your clients’ lives. Additionally, we’re looking for someone who values work-life balance and want to make meaningful changes to people’s lives in a transparent and rewarding environment.

Irvine, CA30+ days ago

Utilize advanced sports science technologies, including external workload tracking, strength testing technology, force plates, and motion capture, to optimize player performance and recovery strategies. Select a relevant player development topic, conduct thorough research, and structure a presentation using visual and interactive elements for senior performance and player development staff.

New!

Irvine, CA1 day ago

$26–$47.50 Per Hour

New!

Irvine, CA1 day ago

$26–$47.50 Per Hour

We are looking for a Supply Chain & Demand Management Summer/Fall Co-Op to join the team in Irvine, CA, for a 6-month period starting in June 2026 and ending in December 2026. At Skyworks, you will find a fast-paced environment with a strong focus on global collaboration, minimal layers of management, and the freedom to make meaningful contributions in a setting that encourages creative thinking.

Moreno Valley, CA30+ days ago

$18–$21

Your responsibilities include coordinating and supervising the lifeguard staff, conducting efficient training sessions, and ensuring rigorous enforcement of facility rules. Team Spirit: Join a community of like-minded individuals who share your passion for water safety and having a great time while doing it.

Moreno Valley, CA16 days ago

Exciting Opportunities: Immerse yourself in a career that's not just about teaching swim lessons – it's about CREATING memorable experiences by the water. The Swim Lesson Manager plays a crucial role in ensuring the smooth day-to-day operations of our swim lessons.

Moreno Valley, CA30+ days ago

New!

Santa Ana, CA1 day ago

$23.31–$34.97 Per Hour

Performs a variety of tasks which may be specific to a particular functional area of activity such as preparing reports, tracking and evaluating results, coordinating program developments, answering the phone, receiving messages, transmitting information, making copies, editing documents, handling routine inquires and making appointments. Staffing/employment agencies who have fee agreements with HNTB must submit applicants to the designated HNTB recruiter to be eligible for placement fees.

Yorba Linda, CA30+ days ago

School-year internships may offer a broader overview of ministry, including administrative responsibilities, event planning, team-based ministry experiences, volunteer development, and program planning and implementation. Throughout the internship, experienced leaders invest in your personal and spiritual growth while you engage in diverse areas of ministry alongside a community of fellow interns.

New!

Rialto, CA4 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.

Resume Resources

Free Resume Templates Free Resume Builder

Get noticed by top employers!

Upload your resume to let employers know you're open to Summer job opportunities. Plus, receive relevant job recommendations in your inbox.

Create A Free Account

Summer Jobs in Fontana, CA

Summer Day Camp Counselor-Intern KE Camps

Summer Day Camp Counselor KE Camps

Summer Day Camp Director KE Camps

Summer Internship Mortgage Paramount Residential Mortgage Group

Summer 2025 Engineering Internship TRL11, Inc.

Supply Chain Summer Internship Wayfair

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.

Engagement & Development Summer Intern Pacvue

Revenue Operations Analyst Summer Intern Pacvue

Children’s Summer Respite Support Jovie of CA, WA, and MN

Rotation Summer Internship Kirkhill Inc.

Summer Swim Instructor Premier Swim Academy - Rancho Cucamonga

Summer Camp Group Leader with Rainbow Chef's Academy BrightBee Inc.

Environmental Health and Safety (EHS) Internship, Summer 2026 Edwards Lifesciences

Summer Seasonal Team Player (Sales Associate) - Ontario Asics

Product Marketing Summer Intern Helium 10

Summer Swim Instructor Premier Swim Academy - Diamond Bar

Analog IC Design Summer/Fall Co-Op (June '26 - Dec '26) (Irvine, CA, US) Skyworks Solutions, Inc

Digital Supply Chain Summer/Fall Co-Op (Irvine, CA, US) Skyworks Solutions, Inc

Supply Chain & Demand Management Summer/Fall Co-Op (Irvine, CA, US) Skyworks Solutions, Inc

Product Engineering Summer/Fall Co-Op (Irvine, CA, US) Skyworks Solutions, Inc

Supply Chain & Demand Management Summer/Fall Co-Op Skyworks Solutions

Summer School Cooking Teacher LIFT Enrichment

ABA Positions! Hiring ASAP for summer! Part Time Behavior Technicians! POP THERAPIES INC

Summer 2026 Intern, Performance Excel Sports Management

Digital Supply Chain Summer/Fall Co-Op Skyworks

Supply Chain & Demand Management Summer/Fall Co-Op Skyworks

Summer Pool Manager Premier Aquatics

Summer Swim Lesson Manager Premier Aquatics

Summer Lifeguard Manager Premier Aquatics

WED Marketing Intern (For Current/Previous HNTB Interns ONLY) (Summer 2026) HNTB

Internship Friends Church

PROFESSIONAL INTERNSHIP DEVELOPMENT AGGREGATES Cemex

Resume Resources