42 Results for

Summer Jobs in Rancho Cucamonga, CA

Jobs

Seal Beach, 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.

Seal Beach, CA30+ days ago

Temporary

Seal Beach, 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.

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.

New!

Seal Beach, CA4 days ago

Administer first aid in the event of injury, rescue swimmers in distress or danger of drowning, and administer CPR and/or artificial respiration, if necessary . We partner with over 230 private clubs all over the country to implement traditional-style day camps for elementary-aged children.

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.

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.

San Gabriel, 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.

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.

Irvine, CA12 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.

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.

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).

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, CA30+ 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.

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.

Ontario, CA7 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

$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, CA27 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. 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.

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.

New!

Irvine, CA4 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 .

New!

Irvine, CA4 days 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.

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, CA4 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 .

New!

Irvine, CA4 days 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.

Rosemead, CA30+ days ago

Part-time

In the past few years, Woodcraft has expanded its menu of services beyond traditional afterschool programs and summer camps to include early learning, environmental and social justice, college access, and inclusion services for youth with intellectual and developmental disabilities. Continuously at the forefront of expanded learning opportunities, Woodcraft Rangers has a rich history of making a significant impact in the greater Los Angeles area, believing that all youth is innately good, deserves the opportunity to realize their full potential, and should be an active participant in defining their own path.

Rosemead, CA30+ days ago

Part-time

Moreno Valley, CA30+ days ago

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, CA30+ days ago

$18–$21

Moreno Valley, CA19 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.

La Mirada, CA7 days ago

The Summer GA will continue to live in their academic year residence; the majority of work hours will be spent in RD Offices and lobbies of buildings supervising, as well as some time in the Central Office. The Summer RD provides supervision and support to a student staff of 6-8 Summer RAs, and supports Housing Operations in all summer related housing processes.

New!

Santa Ana, CA4 days 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.

Fountain Valley, California23 days ago

The Quest model techniques used in our program aim to facilitate building social skills, communication skills, impulse control, and self-monitoring for children and young adults. Our staff aims to create programs that promote the generalization of these skills tin order to set our clients up for success in a wide variety of environments and situations.

Arcadia, CA30+ days ago

$18–$20 Per Hour

As a Camp Leader, you’ll guide groups of children through exciting daily activities while helping create a safe, supportive, and fun environment where kids can learn, play, and build friendships. We’re looking for energetic, responsible Camp Leaders who love working with kids and enjoy leading fun activities in a high-energy environment.

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.

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.

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Summer Jobs in Rancho Cucamonga, CA

Summer Day Camp Counselor-Intern KE Camps

Summer Day Camp Counselor KE Camps

Summer Day Camp Director KE Camps

Summer 2025 Engineering Internship TRL11, Inc.

Summer Day Camp Lifeguard KE Camps

Summer Internship Mortgage Paramount Residential Mortgage Group

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

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

Rotation Summer Internship Kirkhill Inc.

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

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

Product Marketing Summer Intern Helium 10

Summer Swim Instructor Premier Swim Academy - Rancho Cucamonga

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

Summer Swim Instructor Premier Swim Academy - Diamond Bar

Summer Seasonal Team Player (Sales Associate) - Ontario Asics

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

Analog IC Design Summer/Fall Co-Op (June '26 - Dec '26) (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

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

Digital Supply Chain Summer/Fall Co-Op Skyworks Solutions

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

Summer 2026 Intern, Performance Excel Sports Management

Digital Supply Chain Summer/Fall Co-Op Skyworks

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

Kinder Camp Leader - Summer Day Camp Woodcraft Rangers

Camp Leader - Summer Day Camp Woodcraft Rangers

Summer Lifeguard Manager Premier Aquatics

Summer Pool Manager Premier Aquatics

Summer Swim Lesson Manager Premier Aquatics

Housing Summer GA (Temp) Biola University

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

Therapeutic Camp Counselor Quest Therapeutic Camps of Southern California

Little Land Camp Leader Little Land Pediatric Therapy & Play Gym

Internship Friends Church

PROFESSIONAL INTERNSHIP DEVELOPMENT AGGREGATES Cemex

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