Summer Jobs in Ontario, CA - NOW HIRING

Outside Sales Internship - Summer 2025

Uline, Inc
Ontario, CA 91762

$21.5 an hour

Paid Internship - Summer 2025 ... Earn competitive pay over summer and the potential to join Uline full-time upon graduation. Position Responsibilities Deliver next-level customer service and support sales growth in accounts across all industries ...

Full-Time / Internship

NEW

Today

Uline | Outside Sales Internship - Summer 2025 CA

Uline
Ontario, CA 91764

$21.5 an hour

Paid Internship - Summer 2025 $21. 50 per hour Ontario, California Looking to launch your sales career? Then you belong at Uline! As an Outside Sales Intern, spend your summer working side-by-side with sales pros supported by the best training, ...

Full-Time / Internship

NEW

Today

Operations Internship (Summer 2025)

Cardinal Health
Ontario, CA 91764

$22 an hour

The Summer Internship Program allows students the opportunity to work on meaningful, business-essential projects that will give them the hands-on experience they need to build a solid foundation for their future. ... At the end of the summer, each ...

Full-Time / Internship

Employee Resource Groups (ERG)

Professional Development Assistance

Bachelor's Degree

26 days ago

2025 Summer Internship - Electrical & Mechanical Engineering

Southern California Edison (SCE)
Ontario, CA
Remote

Become a summer intern at Southern California Edison (SCE) and build a better tomorrow. In this 12-week internship, you'll gain hands on experience with meaningful work while developing your skills and building your network. We're big believers that ...

Internship

Flexible Schedule

Short Term Disability Insurance

Fertility Benefits

Paid Time Off

Life Insurance

NEW

6 days ago

2025 Summer Internship - Electrical Engineering

Southern California Edison (SCE)
Ontario, CA
Remote

Become a summer intern at Southern California Edison (SCE) and build a better tomorrow. In this 12-week internship, you'll gain hands on experience with meaningful work while developing your skills and building your network. We're big believers that ...

Internship

Flexible Schedule

Dental Insurance

Life Insurance

401(k) Matching

Employee Resource Groups (ERG)

23 days ago

2025 Summer Internship - Business Administration

Southern California Edison (SCE)
Ontario, CA
Remote

Become a summer intern at Southern California Edison (SCE) and build a better tomorrow. In this 12-week internship, you'll gain hands on experience with meaningful work while developing your skills and building your network. We're big believers that ...

Internship

Flexible Schedule

Tuition Reimbursement

Sabbatical Program

Fertility Benefits

Mental Health Benefits

25 days ago

2025 Summer Internship - Computer Science

Southern California Edison (SCE)
Ontario, CA
Remote

Become a summer intern at Southern California Edison (SCE) and build a better tomorrow. In this 12-week internship, you'll gain hands on experience with meaningful work while developing your skills and building your network. We're big believers that ...

Internship

Flexible Schedule

Dental Insurance

Short Term Disability Insurance

Tuition Reimbursement

Fertility Benefits

30+ days ago

2025 Summer Internship - Accounting or Finance

Southern California Edison (SCE)
Ontario, CA
Remote

Become a summer intern at Southern California Edison (SCE) and build a better tomorrow. In this 12-week internship, you'll gain hands on experience with meaningful work while developing your skills and building your network. We're big believers that ...

Internship

Flexible Schedule

Short Term Disability Insurance

Fitness Subsidies

Life Insurance

Health Insurance

20 days ago

2025 Summer Internship - Civil and Structural Engineering

Southern California Edison (SCE)
Ontario, CA
Remote

Become a summer intern at Southern California Edison (SCE) and build a better tomorrow. In this 12-week internship, you'll gain hands on experience with meaningful work while developing your skills and building your network. We're big believers that ...

Internship

Flexible Schedule

Health Insurance

Paid Time Off

Parental Leave

Fitness Subsidies

15 days ago

2025 Summer Internship - Data Analytics and Data Science

Southern California Edison (SCE)
Ontario, CA
Remote

Become a summer intern at Southern California Edison (SCE) and build a better tomorrow. In this 12-week internship, you'll gain hands on experience with meaningful work while developing your skills and building your network. We're big believers that ...

Internship

Flexible Schedule

Sabbatical Program

401(k)

Tuition Reimbursement

Health Savings Account

16 days ago

New Grad Engineer I - Summer 2025

HNTB Corporation
Ontario, CA 91764

Our Santa Ana and Ontario, CA Offices are seeking May/June New Grad Engineers starting Summer 2025 in the following areas: Roadway and Tolling. This opportunity entails being responsible for assisting in the production and modification of design ...

Full-Time / Part-Time

AutoCAD

Master's Degree

Bachelor's Degree

10 days ago

Management Trainee Intern Summer 2025

Enterprise Holdings
Ontario, CA 91761

$18.75 an hour

Enterprise Holdings Ontario, CA 91761 Internships / Co-op - MT Internships Overview If you’re looking to hit the ground running, the Enterprise Management Internship will help you build valuable business and leadership skills. For a ...

Full-Time / Part-Time / Internship

Referral Program

Bachelor's Degree

NEW

3 days ago

Project Engineer Intern - Summer 2025

Granite Construction Inc
Ontario, CA 91761

Building a career at Granite may be the most valuable thing you could do... Are you interested in the opportunity to work for an industry-leading company that will give you the experience and exposure you need to build your career and personal ...

Contract / Internship

401(k)

Health Insurance

High School Degree

Disability Insurance

Life Insurance

NEW

2 days ago

Travel Registered Respiratory Therapist

Stability Healthcare
Ontario, CA

$1,865 a week

You can start the year off in sunny California, spend the Spring in the Colorado Rockies, enjoy the Summer in the Mid-West, experience the change of seasons in Boston and New York, and hit the beaches of Florida in the winter. Our Nurses work in the ...

Contract

Health Insurance

Paid Time Off

NEW

1 day ago

Stocking & Unloading

Walmart, Inc
Ontario, CA

$16 - $26 an hour

From unloading trucks in the summer to filling ice cream in the freezer, this fast-paced job can be physically demanding. It's like being paid to go the gym! At Walmart, we offer competitive pay as well as performance-based incentive awards and ...

Full-Time / Part-Time

Paid Sick Time

Health Insurance

Dental Insurance

Life Insurance

Paid Time Off

NEW

1 day ago

Delivery Driver

Aaron's, LLC
Ontario, CA 91764

$18.75 - $19.75 an hour

Able to work in all outdoor weather, including rain or summer sun A valid driver’s license is required, but not a CDL No overnight travel Note that the pay range provided above is the lowest to highest rate we in good faith believe we would pay ...

High School Degree

CDL

10 days ago

Merchandise Control Supervisor

The TJX Companies, Inc
Ontario, CA 91761
Remote

$57,900 - $78,100 a year

Insurance,Vision Insurance,Life Insurance,Short-Term Disability,Long-Term Disability,FSA,HSA,HSA With Employer Contribution,On-Site Gym,Pet Insurance,Mental Health Benefits,Virtual Fitness Classes, Birth Parent or Maternity Leave,Non-Birth Parent or ...

Full-Time / Internship

Adoption Assistance

Sabbatical Program

Employee Discount

Referral Program

401(k)

13 days ago

PT Support Associate

Tory Burch
Ontario, CA

$15 - $21 an hour

Health Insurance,Dental Insurance,Vision Insurance,Life Insurance,Short-Term Disability,Long-Term Disability,FSA,HSA With Employer Contribution,Pet Insurance,Mental Health Benefits, Fertility Benefits,Family Support Resources, Paid Vacation,Paid ...

Part-Time

Flexible Schedule

Fertility Benefits

Sabbatical Program

Vision Insurance

Mental Health Benefits

13 days ago

PT Sales Associate

Tory Burch
Ontario, CA

$15 - $21 an hour

Health Insurance,Dental Insurance,Vision Insurance,Life Insurance,Short-Term Disability,Long-Term Disability,FSA,HSA With Employer Contribution,Pet Insurance,Mental Health Benefits, Fertility Benefits,Family Support Resources, Paid Vacation,Paid ...

Part-Time

Flexible Schedule

Employee Discount

Sabbatical Program

Paid Time Off

Vision Insurance

NEW

1 day ago

Merchandise and Stocking Associate

Walmart
Ontario, CA 91764

$17 - $24 an hour

From unloading trucks in the summer to filling ice cream in the freezer, this fast-paced job can be physically demanding - it's like being paid to go to the gym! Be a part of a great team with a common goal - making sure members can find more of ...

Full-Time / Part-Time / Temporary

Parental Leave

Paid Sick Time

No Education Required

Paid Time Off

Vision Insurance

30+ days ago

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