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Internship Jobs in California.

All active internship roles based in California, sourced directly from company boards. Updated every few hours.

Total jobs
2,232
positions indexed
New today
137
last 24 hours
Companies
493
actively hiring
Worldwide remote
0
from anywhere
in: California employment: Internship Clear all
Sort Newest Top salary
Caterpillar
2027 Internship Turbomachinery Operations
Caterpillar
⚡ Apply early San Diego, California Onsite $54,080–$89,440
● New 👁 Seen ✓ Applied 2mos ago
Caterpillar
2027 Internship - Solutions Platforms Engineered
Caterpillar
⚡ Apply early San Diego, California Onsite $54,080–$89,440
● New 👁 Seen ✓ Applied 2mos ago
Mosaic
Mining Engineer or Geoscience Co-Op/Intern - Summer 2027
Mosaic
⚡ Apply early CA - Esterhazy, SK Onsite
● New 👁 Seen ✓ Applied 2mos ago
BO
Intern to Entry Level Conversion - Engineering (Summer 2026 Intern Program)
Boeing
⚡ Apply early USA - Seattle, WA Onsite $50,000–$119,000
● New 👁 Seen ✓ Applied 3mos ago
AM
NASA Goddard Intern Career and Networking Fair
Analytical Mechanics Associates
⚡ Apply early Greenbelt, MD Onsite
● New 👁 Seen ✓ Applied 3mos ago
Chevron
2026-2027 Health, Safety and Environment Intern
Chevron
⚡ Apply early Houston 1400 Smith Street Onsite $50,398–$50,398
● New 👁 Seen ✓ Applied 3mos ago
City of Ventura
Police Officer Trainee I/II (Ventura Police Department)
City of Ventura
⚡ Apply early Ventura, CA Onsite $90,418–$90,418
● New 👁 Seen ✓ Applied 3mos ago
Chevron
2026-2027 Petroleum Engineer Intern
Chevron
⚡ Apply early Houston, Texas, United States... Onsite $73,216–$73,216
● New 👁 Seen ✓ Applied 3mos ago
HealthCorps
Teens Make Health Happen Marketing & Communications Internship
HealthCorps
⚡ Apply early San Diego, California, United... Onsite
● New 👁 Seen ✓ Applied 3mos ago
Northrop Grumman
U103 WELDER TRAINEE
Northrop Grumman
⚡ Apply early United States-California-Sunny... Onsite
● New 👁 Seen ✓ Applied 3mos ago
Tencent
Hunyuan Multimodal Algorithm Researcher Intern(Omni-Modal)​​
Tencent
⚡ Apply early US-California-Palo Alto Onsite $58,802–$124,800
● New 👁 Seen ✓ Applied 3mos ago
Tencent
Game Research & Development Intern, Engine Research
Tencent
⚡ Apply early US-California-Los Angeles Onsite $58,802–$124,800
● New 👁 Seen ✓ Applied 3mos ago
Tencent
Hunyuan Multimodal Algorithm Researcher Intern(Omni-Modal)​​
Tencent
⚡ Apply early US-California-Palo Alto Onsite $80,168–$124,800
● New 👁 Seen ✓ Applied 3mos ago
Mezzetta
Continuous Improvement / Industrial Engineering Internship
Mezzetta
⚡ Apply early American Canyon, California, U... Onsite $56,160–$56,160
● New 👁 Seen ✓ Applied 3mos ago
Snap Inc.
Security Engineer Intern, Summer 2026
Snap Inc.
⚡ Apply early Los Angeles, California Hybrid $108,000–$108,000
● New 👁 Seen ✓ Applied 3mos ago
NIO
AI Robotics Researcher Intern (Dexterous Manipulation)
NIO
⚡ Apply early San Jose-US Onsite $79,040–$95,680
● New 👁 Seen ✓ Applied 4mos ago
Instead
Software Engineering Intern
Instead
⚡ Apply early San Francisco Onsite
● New 👁 Seen ✓ Applied 4mos ago
Heniff Transportation
Mechanic Apprentice
Heniff Transportation
⚡ Apply early TX, Pasadena (Bay Area) Onsite
● New 👁 Seen ✓ Applied 4mos ago
AX
Summer Internship 
Axicom
⚡ Apply early San Francisco, California, Uni... Hybrid $20–$20
● New 👁 Seen ✓ Applied 4mos ago
AX
Summer Internship 
Axicom
⚡ Apply early New York, New York, United Sta... Hybrid $20–$20
● New 👁 Seen ✓ Applied 4mos ago
AX
Summer Internship 
Axicom
⚡ Apply early Austin, Texas, United States Hybrid $20–$20
● New 👁 Seen ✓ Applied 4mos ago
XPENG
AI Infra Onboard Performance Intern
XPENG
⚡ Apply early Santa Clara, CA Onsite
● New 👁 Seen ✓ Applied 4mos ago
Lineage Logistics
DoD SkillBridge Internship - Maintenance Technician
Lineage Logistics
⚡ Apply early Oxnard, CA (East 3rd Street) Onsite $39,894–$67,392
● New 👁 Seen ✓ Applied 4mos ago
GE
Lab Technician Intern
Generac
⚡ Apply early Santa Monica, CA - USA Onsite
● New 👁 Seen ✓ Applied 4mos ago
Living Spaces
Trade Apprentice- Upholster Department
Living Spaces
⚡ Apply early CA - La Mirada MF - 71 Onsite $36,192–$48,360
● New 👁 Seen ✓ Applied 4mos ago

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