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86 internship program jobs at 57 companies in Temecula, CA

3w
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Internship Trades Program
Chino, California, United States
$21/hr OnsitePart Time, Temporary
Inland Empire Utilities Agency
Inland Empire Utilities Agency: Provides regional wastewater treatment and wholesale water distribution services.
High school diploma/GED and current enrollment or graduation from college in a relevant field; valid California driver's license and insurability; ability to perform hands-on trade work; certification goals for water/wastewater industry desirable.
Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint
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1mo
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Technical Program Management Intern (Bachelor's)
Irvine, California, United States
$38-$45/hr HybridFull Time, Internship
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture developing software-defined vehicle systems and integrating hardware and software for electric vehicles.
Currently enrolled in a US Bachelor's or Master's program; proficiency in C, C++, and/or Python; experience with Software Development Lifecycle; familiarity with systems engineering, test/validation, and Jira preferred.
C, C++, Python, Software Development Lifecycle, Jira, Agile, Waterfall
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1mo
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Program Manager, Medical Devices (Corona, CA, US, 92879)
Corona or Brecksville
$146k-$162k/yr OnsiteMultiple Commitments Available
Lubrizol
Lubrizol: Produces specialty chemicals and additives for diverse industrial applications.
7+ YOE7+ years in program/project management in medical device/healthcare; degree in engineering/Life Sciences/Business; cross functional leadership; FDA/ISO knowledge; strong communication.
Microsoft Office, MS Project, SharePoint, Teams, Outlook, Excel, Word
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2mo
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PAID STUDENT INTERNSHIP with various departments (Intern Pool)
Riverside County, California, United States
$17-$23/hr OnsiteTemporary, Internship
County of Riverside
County of Riverside: Provides regional government services and public safety for county residents.
GPA minimum 2.5; current enrollment or recent graduation in a Bachelor's or Master's program; ability to learn quickly; strong data handling and reporting skills; excellent written and verbal communication; resume and transcripts required at application.
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2w
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College Financial Representative, Internship Program
Irvine, California, United States
$500-$1k/yr OnsiteInternship
Northwestern Mutual
Northwestern Mutual: Provides life insurance, wealth management, and financial planning services.
College student (juniors/seniors preferred), entrepreneurial and sales interest, campus involvement, time-management, interest in financial planning; support for insurance and securities licensing provided.
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3d
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Internship Program - Field Application Engineer
Milpitas or Irvine
FieldPart Time
WNC
WNCTaiwan Stock Exchange: 6285: Designs and manufactures wireless communications and networking equipment globally.
Pursuing or recently completed Bachelors/Masters in Computer Science or Electrical Engineering; knowledge of 5G/LTE, RF, antenna, O-RAN; hands-on experience with 5G products, Wi-Fi routers, IoT; strong communication and customer-facing skills.
5G, LTE, O-RAN, Wi-Fi, IoT, Microsoft SharePoint, Microsoft Windows, Atlassian Confluence, HipChat, Internet Protocol (IP)
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2mo
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Program Leader
Eastvale, California, United States
$20/hr OnsiteAll Commitments Available
Think Together
Think Together: Providing high-quality after-school and early learning educational programs.
0.5+ YOEHigh School Diploma or G.E.D.; 48 semester/60 quarter units; Live Scan; TB test; 6+ months supervising groups; English literacy; bilingual Spanish preferred.
None specified
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2mo
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Finance Associate, EDV Program
Irvine, California, United States
$85k-$95k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
0+ YOEBachelor’s degree in Finance, Accounting, Economics, Engineering, or related quantitative field; 0–2 years experience; financial modeling, data analysis; Excel proficiency; internship in manufacturing/operations preferred; BI tools experience.
Excel, Google Sheets, ERP, BI Dashboards, Oracle Hyperion, Smartview, Hex, Databricks
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1mo
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Clinical Internship
Santa Ana, California, United States
OnsiteInternship, Part Time
Casa de la Familia
Casa de la Familia: Provides specialized trauma-informed mental health services and crisis intervention.
Graduate student enrolled in an accredited master's program (MSW or MFT), 20 hrs/week availability, clinical supervision required, provide individual/family/group therapy, crisis assessment and case coordination.
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1mo
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Central OC Young Life — Summer 2026 Internship Program
Tustin or Orange County
$18/hr OnsitePart Time, Internship
Young Life
Young Life: Provides Christian youth outreach and adventure-based camping programs.
Must sign Young Life Statement of Faith; organized, self-motivated, creative, detail-oriented, strong communicator, comfortable with technology and social media; experience with Canva/Google Workspace a plus.
Google Drive, Google Workspace, Linktree, Emma, Instagram, Canva
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2d
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Summer 2027 - Software Engineering Internship
Colorado Springs or Irvine or Longmont or Fremont or Rochester or San Jose
$35-$46/hr OnsiteInternship
Western Digital
Western DigitalNASDAQ: WDC: Design and manufacture data storage devices and systems.
Currently pursuing a Bachelor's or Master's in a technical field, experience with one or more programming languages (C,C++,Python,Java,Go,SQL,JavaScript), strong problem-solving and communication skills.
C, C++, Python, Java, Go (Golang), SQL, JavaScript, Microsoft Office, Git, Linux, IDEs
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1w
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2027 North America Software Engineering Internship
Bellevue or Boulder or Denver or Irvine or New York or Seattle
$46-$62/yr HybridInternship
The Trade Desk
The Trade DeskNASDAQ: TTD: Cloud-based programmatic advertising platform for data-driven media buying.
Enrolled in a Bachelor's or Master's program, expected to graduate 2027–2028; fluent in one or more object-oriented languages; strong data structures and algorithms; available to work 3 days in office (Tue–Thu).
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Commercial Real Estate- Real Estate Banking Program Analyst
Irvine, California, United States
$80k-$83k/yr OnsiteFull Time
JPMorgan Chase
JPMorgan ChaseNYSE: JPM: Global financial services firm providing banking and investment solutions.
Bachelor's degree (graduation Dec 2024 or Spring/Summer 2025), relevant internship or coursework in real estate, strong verbal/written communication, problem solving, attention to detail, and eligibility under Section 19 of the FDIA.
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1mo
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Entry Level Project Engineer - Southern California
Los Angeles or Newport Beach or Riverside
$88k/yr OnsiteFull Time
McCarthy Building Companies
McCarthy Building Companies: Performs commercial construction and infrastructure development projects.
0+ YOEEarly career project engineer role; Bachelor's in Construction Management or Engineering; willing to relocate; geographically mobile in SoCal counties; internship preferred.
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2mo
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School Psychologist Intern Fall 2026
Fullerton, California, United States
OnsiteMultiple Commitments Available
Fullerton Joint Union High School District
Fullerton Joint Union High School District: Operates public high schools and secondary education programs.
0+ YOEPursuing graduate program in school psychology; eligible for internship; strong communication and collaboration skills.
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3mo
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Intern
Santa Ana, California, United States
OnsiteMultiple Commitments Available
Fellowship of Christian Athletes
Fellowship of Christian Athletes: Provides Christian ministry and mentorship to athletes and coaches.
Internship for student athletes; unpaid position (may receive a nominal living stipend); summer or semester program; not an employee.
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2mo
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Project Engineer Intern - Summer 2027
Sacramento or Oakland or Commerce or San Diego or Goodyear or Manassas
$21-$28/hr OnsiteFull Time
Helix Electric
Helix Electric: Provides electrical contracting and design-build services for complex projects.
Enrolled in a bachelor’s degree program; construction or engineering focus; internship or related experience preferred; strong communication, math, and organizational skills.
BIM, Accubid, Excel, AutoCAD, Microsoft Office
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1w
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Special Education Teacher - Fontana
Fontana, California, United States
OnsiteFull Time
Mojave River Academy
Mojave River Academy: Public charter school providing K-12 independent study education.
Valid California teaching credential with EL authorization; responsible for planning and implementing project-based instruction in an independent study program; no internships available.
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1mo
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Intern - Speech Language Pathologist - UNPAID
Laguna Beach, California, United States
OnsitePart Time
Laguna Beach Unified School District
Laguna Beach Unified School District: Public school district providing K-12 education in Laguna Beach.
Must be enrolled in a graduate level speech language program; internship agreement on file; FBI/DOJ fingerprint clearance; evidence of TB clearance; letter of introduction.
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R&D Intern
Laguna Hills, California, United States
$20-$25/hr OnsiteFull Time
Sonendo
SonendoOTCQX: SONX: Medical technology transforming dentistry through innovative device systems.
Currently enrolled in or recent graduate of a bachelor’s program in engineering or science; lab or internship experience preferred; ability to perform bench testing, prototyping, and basic troubleshooting.
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