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53 2026 intern jobs at 26 companies in Temecula, CA

1mo
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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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5d
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Management Trainee Intern Fall 2026
Ontario, California, United States
$21/hr OnsiteInternship, Part Time
Enterprise Mobility
Enterprise Mobility: Provider of vehicle rental and diverse mobility solutions.
0.5+ YOEMust be 18+, enrolled full-time in a bachelor's program (graduating Dec 2026), 6 months experience in sales/customer service/leadership/management, valid unrestricted driver's license, authorized to work in the US, available for an 8-10 week Oct–Dec 2026 commitment.
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1mo
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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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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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2w
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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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2w
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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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1w
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Fall 2026: Microenterprise Program Intern (Unpaid)
San Diego or El Cajon
HybridPart Time
International Rescue Committee
International Rescue Committee: Provides humanitarian aid and relief to people affected by conflict.
Currently enrolled student; experience with administrative and direct service preferred; strong organization, communication, and interpersonal skills; English fluency required.
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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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2mo
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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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3w
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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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5d
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Fall 2026 Technical Product Marketing Undergraduate Intern
Irvine, California, United States
$25-$31/hr OnsitePart Time
MKS
MKSNASDAQ: MKSI: Provides advanced manufacturing technologies and foundational process control solutions.
Enrolled in a bachelor’s program in engineering, physics, chemistry, materials science or related; technical knowledge, Excel skills, communication, organization, and willingness to learn technical and business tasks.
Microsoft Excel, Microsoft 365
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1mo
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Project Manager Intern
United States or Irvine
$19/hr RemoteFull Time, Internship
Red Tail Residential
Red Tail Residential: Manages multi-family and student housing communities across the US.
Currently enrolled junior/senior pursuing a relevant bachelor's or recent graduate; proficient in Microsoft Office (Excel, Word, Outlook, PowerPoint); strong communication, organization, and problem-solving skills; available immediately through end of September 2026.
Microsoft Office Suite, Microsoft Excel, Microsoft Word, Microsoft Outlook, Microsoft PowerPoint
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3w
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Intern - School Social Worker 2026-2027 school year
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 social work program with a current intern agreement, provide resume and letter, pass FBI & DOJ fingerprint clearance, and provide TB clearance.
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1mo
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Cybersecurity Internship Fall 2026 - Federal
Fairfax or Irvine or Washington
$27/hr OnsiteInternship
Tevora
Tevora: Specialized consultancy providing cybersecurity, compliance, and risk management services.
Paid training internship requiring foundational knowledge of networking, server troubleshooting, and Excel/Word; bachelor's degree or current enrollment; U.S. work eligibility; onsite at Fairfax, VA or Irvine, CA.
Microsoft Excel, Microsoft Word, PCI-DSS, HIPAA, ISO 27001, FedRAMP, FISMA, DFARS, NERC, NYDFS, StateRAMP
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1w
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2026 Grant Funded Fall Sports Internship, The Desert Sun, Palm Springs, CA
Palm Springs, California, United States
$20/hr OnsiteInternship
USA TODAY Co.
USA TODAY Co.New York Stock Exchange: TDAY: Publishes newspapers and provides digital news and marketing services.
Currently enrolled college student or recent graduate in communications/journalism; strong multimedia, reporting, and social skills; valid driver\u00039s license and reliable transportation required.
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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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Current Interns Only- Operations Manager -Summer 2026 DC Intern Posting
Fridley or Elmhurst or Midway or Rialto or West Jefferson or Topeka or Windsor or Lacey or Austin or Lugoff or Shafter or Cedar Falls or Chambersburg or Sacramento or Phoenix or Galesburg or Madison or Wilton or Tyler or Stuarts Draft or Indianapolis or Albany or Tucson or Oconomowoc or Tifton or Woodland or Pueblo or Upper Marlboro or Lawrenceville or Upper Marlboro or Detroit or Houston or Amsterdam or Midlothian or Chicago or Perth Amboy or Dekalb or Riverside or Suffolk or Rialto or Hampton or Rialto or Denton or Minneapolis or West Jefferson or Cedar Falls or Lake City or Hialeah or Joliet or Logan Township or Newton or Port Wentworth
$17-$128k/yr OnsiteFull Time
Target
TargetNYSE: TGT: Operates a chain of general merchandise stores and supermarkets.
Four-year degree or equivalent experience; demonstrated leadership ability; strong communication, conflict-management and problem-solving skills; ability to access mezzanine platforms and traverse conveyor crossovers.
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4w
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Education Specialist - Moderate/Severe Teacher (2026/2027 School Year) (Intern eligible candidates are encouraged to apply)
Vista, California, United States
OnsiteFull Time
Vista Unified School District
Vista Unified School District: Provides public K-12 education services in Vista, California.
Valid California Education Specialist (Moderate/Severe) credential and English Learner authorization required; intern-eligible candidates welcome; submit credential, EL authorization, transcripts, resume, and references.
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1mo
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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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2mo
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Elementary Music - Eligibility Pool 2026-2027
Norco, California, United States
OnsiteFull Time
Corona-Norco Unified School District
Corona-Norco Unified School District: Public school district providing K-12 and adult educational services.
Single Subject Music Credential or equivalent; Intern Eligibility Letter if applicable; English Learner Authorization; transcripts; resume; letters of recommendation.
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