Internship Jobs in Bloomington, CA

Uline

Ontario, CA

As a Uline Outside Sales Intern, spend your summer working alongside sales professionals with the best training, tools and products to win in the field every day. Coordinate and conduct one-on-one customer visits providing business solutions from our world-class website and catalog stacked with 43,000+ quality products.

Risewell Homes

Irvine, CA

Networking & Mentorship: Build relationships with professionals across departments and receive guidance from experienced mentors. Our program is designed to provide: Real-World Experience: Participate in active projects and contribute to initiatives that shape our communities.

Cardinal Health

Ontario, CA

To be considered for the Cardinal Health Summer 2026 Internship Program, candidates should meet a combination of the following criteria: Currently pursuing a bachelor’s degree in Business Administration, Logistics, Management, Supply Chain, Operations Management, or related field, preferred. Interns participate in social, team-building, and community service events designed to build a strong peer network and enrich the overall internship experience.

Talley LLP

Orange, CA

Talley, LLP, and its affiliated entities, Talley Law Group, LLP (“TLG”), Talley Capital Group, LLC (“TCG”) and Talley Client Accounting Services, LLC (“TCAS” fka Group 11) (collectively “Talley”) is a full service financial, tax, legal and consulting organization designed to meet the needs of entrepreneurially driven businesses and their owners. Talley, LLP and its affiliated entities (Talley Law Group, Talley Capital Group, and Talley Client Accounting Services) provide full-service financial, tax, legal, and consulting solutions tailored to entrepreneurially driven businesses and high-net-worth individuals.

TTE Technology Inc

$16 - $23

Irvine, CA

At TCL, we are driven by a commitment to innovation in consumer technology, empowering millions worldwide to Inspire Greatness through our award-winning portfolio of home entertainment, audio, mobile, and home comfort solutions. Our internship program is designed for students who want meaningful exposure to how a global organization operates and who are interested in building practical, transferable skills in a professional environment.

TRL11, Inc.

Irvine, CA

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.

Amwins Internships

$20 - $21

Irvine, CA

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.

Rivian

$33 - $51

Irvine, California

CMD Electric

$18 - $25

Ontario, California

Overview: CMD Electric is a leading electrical subcontractor specializing in delivering high-quality electrical services for residential, commercial, and industrial projects. The Project Engineer Intern position will assist and support multiple Project Managers and Superintendents in coordinating and managing electrical construction projects.

Kirkhill Inc.

Brea, CA

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.

Aerotek

Rancho Cucamonga, California

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.

Edwards Lifesciences

$64000 - $82000

Irvine, CA

Must have knowledge of and experience working with statistical regression models, such as linear regression, logistic regression, generalized linear models, survival and longitudinal analysis. If hired into a covered role, as a condition of employment, you will be required to submit proof that you have been vaccinated for COVID-19, unless you request and are granted a medical or religious accommodation for exemption from the vaccination requirement.

Healthpeak Properties, Inc.

Irvine, CA

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.

CAIR LA

Anaheim, CA

Interns will receive basic training in all aspects of CAIR's work but will be assigned a focus project in one of the following areas: Youth Empowerment: Interns assist with implementing CAIR's youth programming with a focus on the issues of identity, civil rights, civic engagement, and social justice. The internship program provides a means to complement academic work with practical vocational experience through professional development and department support that identifies skills, develops leadership, and addresses critical community needs.

Anderson Sport and Wellness

Newport Beach, CA

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).

Veritas Veterinary Partners

Tustin, CA

Veritas Veterinary Partners offer exciting career opportunities in state-of-the-art facilities across the U.S. Our hospitals, open 24/7/365 and staffed by board-certified specialists, create a collaborative environment where you can work alongside like-minded, caring professionals. The Rotating Internship at AVSG Internal Medicine, Emergency, & Critical Care/VSSOC offers a comprehensive, fully mentored clinical education program with a robust introduction to Small Animal ER, Internal Medicine, and Surgery.

Reyes Coca-Cola Bottling

IRVINE, California

Northwestern Mutual

$500 - $1000

Anaheim, California

Our college financial representatives, who come from varying academic backgrounds and experiences, begin to build a financial planning practice while engaging local and nationwide experts, exclusive financial products, and the support of a Fortune 500 company. Overview: College Financial Representatives in the internship program at Northwestern Mutual are provided guidance, connection, and a framework for building an integrated financial planning practice from the ground up.

Toll Brothers, Inc.

$20 - $22

Irvine, CA

In this role, the Assistant Construction Manager Intern will assist in the supervision of all on-site construction, including the scheduling of sub-contractors on the job, resolving day-to-day problems on the job site, and inspecting all work during construction to ensure compliance with plans and specifications. Other responsibilities of the intern may include obtaining all permits necessary to construct houses, ordering all materials required to construct houses, and working with the Assistant Construction Manager, Construction Manager, and Project Manager to set up and monitor the construction schedule.

Zymo Research Corporation

$20 - $30

Irvine, CA

Actual compensation details will be provided in writing at the time of offer, if applicable, and is based on several factors we believe fairly and accurately impact compensation, including geographic location, experience, knowledge, skills, abilities, and other job permitted factors. If you are contacted by anyone claiming to represent us using a free email service (e.g., Gmail, Yahoo, Hotmail) or asking for payment, please treat this as fraudulent and report it immediately to HR@zymoresearch.com.

DAHLIN Architecture | Planning | Interiors

Irvine, CA

Interns can expect to work on a variety of tasks similar to entry-level staff, and the tasks will vary depending on our current project needs. DAHLIN is a diverse, award-winning architecture, planning, and interiors firm practice with offices located throughout the Western United States.

Hyundai Capital America

Irvine, California

Embodying our commitment to grow, innovate, and diversify, we strive to reimagine the customer and dealer experience and launch innovative new products that broaden our market reach. The interns will participate in projects, support one of our headquarters-based departments, and work closely with managers on current business initiatives and challenges.

Lionakis

Irvine, CA

Must be a current student pursuing an ABET-accredited degree in either civil, architectural, structural engineering or related field with a minimum of: Three (3) years of college/university coursework completed. Lionakis is currently seeking engineering students to participate in our 2026 EP (Emerging Professionals) Summer Internship Program.

Lionakis

Irvine, CA

If you want to work for a firm that is taking concrete action toward equity, diversity, and inclusion in the workplace, we're currently seeking architectural students to participate in our 2026 Emerging Professionals (EP) Summer Internship Program. Studies have shown that underrepresented individuals like women; LGBTQIA+; and BIPOC, among others, are less likely to apply for jobs unless they believe they meet every single one of the qualifications in a job description or posting.

Skyworks

$26 - $47.5

Irvine, CA

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. We are seeking a 2026 Summer-Fall Co-Op (Jun to Dec) to work with our advanced development team to enable state-of-the-art semiconductor devices for 5G applications.

Crown Medical, Inc.

Santa Ana, CA

Assist the Talent Acquisition Manager to support Crown Dental’s sourcing and selection activities:Sourcing for hard-to-fill roles across the various business units. The Human Resource Specialist - Talent Acquisition position will have the opportunity to support 2 teams in the HR team with a variety of tasks and projects ranging from recruiting to diversity.

Edwards Lifesciences

$54000 - $72000

Irvine, CA

Collaborate with Treasury leadership, internal finance teams, and external banking partners to gather data, validate assumptions, and support execution of treasury transactions. + Support the renewal of the corporate credit facility by analyzing banking partners’ share of wallet, profitability, and relationship value to guide strategic tiering and negotiations.

PDS Health

$17.3 - $25

Irvine, California

Overview: The PDS Health Summer Intern Program is a 10-week, on-site, full-time, paid internship that provides undergraduate students with invaluable insight and experience into the operation of a large multi-state employer. Preferred exposure working in a finance, accounting, or similar environment, either in previous jobs or internships.