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48 2026 intern jobs at 25 companies in Rialto, CA

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BY REFERRAL ONLY - INTERN 2026-2027
San Bernardino, California, United States
OnsitePart Time, Internship
San Bernardino County Superintendent of Schools
San Bernardino County Superintendent of Schools: Provides educational leadership and support services to school districts.
Internal candidates only; invitation from SBCSS HR required. Part-time internship for the 2026-2027 year (120 days).
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3mo
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Counselor Intern Fall 2026
Fullerton, California, United States
OnsiteFull Time
Fullerton Joint Union High School District
Fullerton Joint Union High School District: Operates public high schools and secondary education programs.
University letter indicating eligibility for Counseling intern experience
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Intern to Intern Conversion – Business Functions (All) (Summer 2026 Intern Program)
Everett or Huntsville or Charleston or Tinker Air Force Base or Oklahoma City or Berkeley or Huntington Beach or Hazelwood or Germantown or El Segundo or China Lake or Arlington or Ridley Park or Tukwila or North Charleston or Kennedy Space Center or Fairfax or Houston or Colorado Springs or Chicago or Long Beach or Renton or Saint Louis or Dallas or Seattle or Auburn or Philadelphia or San Antonio or Kent or Mesa
$38k-$64k/yr OnsiteFull Time, Internship
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, satellites, and defense systems.
Must be enrolled in a bachelor's or higher program (graduation on/after Aug 2027), be available full-time for a 10-12 week Summer 2027 internship, and have previously interned with Boeing.
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Intern
Rancho Cucamonga, California, United States
OnsiteInternship
Hillside Community Church
Hillside Community Church: Religious institution providing worship services and community programming.
Internship providing ministry training and leadership development; plan and execute events, foster community connections; 10–20 hours/week from late Aug 2026 to early May 2027.
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2mo
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Psychologist Intern for 2026-27
Anaheim, California, United States
OnsiteFull Time
Savanna School District
Savanna School District: Public school district providing elementary education in Orange County.
Enrolled in a graduate-level school psychology program; must hold a California internship credential with school psychologist authorization or a college/university letter of eligibility; DOJ fingerprint clearance; bilingual preferred.
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3mo
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School Counselor Intern - Fall 2026
La Habra, California, United States
OnsiteInternship, Part Time
La Habra City School District
La Habra City School District: Operates public elementary and middle schools in Orange County.
Letter of introduction, resume, and proof of enrollment in a Pupil Personnel Services credential program; unpaid internship.
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1mo
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Intern (Enterprise Architecture) - Fall 2026
Orange, California, United States
$48k-$65k/yr OnsiteInternship
CalOptima Health
CalOptima Health: Provides public health insurance for Orange County residents.
Enrollment in a college or vocational program required; coursework in IT/CS preferred. Duties include supporting enterprise architecture, documentation, analysis, and meeting preparation.
Microsoft Word, Microsoft Outlook, Microsoft Excel, Microsoft PowerPoint
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3d
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Mechanical Engineering Intern (Fall 2026)
Tustin, California, United States
$20/hr OnsitePart Time, Internship
Salas O'Brien
Salas O'Brien: Provides integrated engineering design and technical consulting services.
Currently enrolled in an engineering bachelor's or master's program; CAD experience, strong communication, teamwork, adaptability, and willingness to work onsite or at project locations. Prior internship is optional.
CAD, AutoCAD, Revit
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3w
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Technical Intern, Advanced Analysis Fall 2026
Newport Beach, California, United States
$29-$37/hr OnsiteMultiple Commitments Available
Simpson Gumpertz & Heger
Simpson Gumpertz & Heger: Engineering firm specializing in structural design and building enclosures.
Current student in civil/structural engineering, materials science, architecture, or related field; strong academics; strong communication; interest in field and site work.
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2mo
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Public Affairs Intern (Unpaid - Fall 2026)
San Bernardino, California, United States
OnsiteInternship, Part Time
Planned Parenthood of Orange and San Bernardino Counties
Planned Parenthood of Orange and San Bernardino Counties: Regional provider of sexual and reproductive healthcare services.
Current undergraduate or graduate student; strong communication, organizing, and computer skills; bilingual English/Spanish preferred; reliable transportation and valid CA driver’s license if using personal vehicle; 1 semester commitment.
Microsoft Word, Microsoft Excel, Microsoft Outlook
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Software Engineering Intern, Applications - Fall 2026
Irvine or Palo Alto
$38-$51/hr OnsiteFull Time, Internship
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: A joint venture developing software-defined vehicle software, connectivity, and infotainment solutions for electric vehicles.
Must be an enrolled Bachelor's or Master's student; proficiency in Kotlin and Android (Android Jetpack) required; Android app development experience and Jenkins (CI) preferred.
Kotlin, Android, Android Jetpack, Jenkins
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Intern/Co-op – Geotechnical Engineering (Fall 2026)
Irvine, California, United States
$24-$31/hr OnsiteInternship
Langan
Langan: Provides integrated engineering, environmental, and site development consulting services.
Pursuing a degree in Civil/Geotechnical Engineering, working knowledge of AutoCAD and Microsoft Office, valid driver\u0002s license, strong communication and analytical skills; geotech lab and field exposure preferred.
AutoCAD, Microsoft Office Suite
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2025-2026 Facilities Engineering Civil Engineering Intern
Houston or Bakersfield or Belle Chasse or Midland or Geismar or El Segundo or Pascagoula or Covington or Pasadena or Salt Lake City or Richmond or Ames or Greeley
$28/hr OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
Students pursuing a bachelor’s or master’s degree in civil engineering with strong academics, communication, leadership, teamwork, and problem-solving skills.
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3w
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Law Clerk Intern - Fall 2026
Cerritos, California, United States
$30/hr HybridPart Time, Internship
Kemper
KemperNYSE: KMPR: Provides specialized auto, life, and health insurance services.
Must be a 2nd- or 3rd-year ABA law student (4th year allowed for part-time/JD-MBA), proficient with Microsoft Office, strong writing and communication, interest in civil litigation and insurance.
Microsoft Word, Microsoft PowerPoint, Microsoft Excel
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6d
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Operations Internship Fall 2026
South Gate, California, United States
$18-$25/hr OnsiteMultiple Commitments Available
J.B. Hunt
J.B. HuntNASDAQ: JBHT: Provides freight transportation, logistics, and intermodal shipping services.
Currently enrolled in an accredited undergraduate or graduate program, able to work 20–25 hours weekly, and proficient in Microsoft Office Suite; flexible hours and dynamic work adaptability preferred.
Microsoft Office Suite, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Outlook, Department of Transportation (DOT)
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6d
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Operations Internship Fall 2026
South Gate, California, United States
$18-$25/hr OnsitePart Time, Internship
J.B. Hunt
J.B. HuntNASDAQ: JBHT: North American transportation, logistics, and freight shipping services.
Currently enrolled in an accredited undergraduate or graduate program and able to work 20–25 hours weekly during the semester. Microsoft Office proficiency preferred; junior or senior standing preferred.
Microsoft Office Suite, Microsoft Excel, Microsoft Word, Microsoft PowerPoint, Microsoft Outlook
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2mo
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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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Special Education Moderate/Severe Teacher 2026-2027
Moreno Valley, California, United States
OnsiteFull Time
Moreno Valley Unified School District
Moreno Valley Unified School District: Provides public K-12 education and student support services.
Must attach all required documents to EdJoin application; interns may apply with official intern program verification.
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HOURLY POSITIONS - Internal Use Only 2026/2027
Fontana, California, United States
OnsitePart Time
Fontana Unified School District
Fontana Unified School District: Provides K-12 and adult public education services.
Internal-only posting for hourly roles (child care providers and college tutors) with variable assignments and hourly pay; details posted when vacancies open.
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3mo
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SAI Teacher Mild/Moderate Support Needs - 2026/2027 School Year
Adelanto, California, United States
$66k-$138k/yr OnsiteFull Time
Adelanto Elementary School District
Adelanto Elementary School District: Provides public K-8 education services in San Bernardino County.
Education Specialist - Mild/Moderate Support Needs. Fully Credentialed preferred; interns considered. Interns must be in an approved university program, CBEST and CSET required.
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