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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
2,237
positions indexed
New today
111
last 24 hours
Companies
491
actively hiring
Worldwide remote
0
from anywhere
in: California employment: Internship Clear all
Sort Newest Top salary
Rocket Lab Corporation
Manufacturing Engineering Intern Spring 2027
Rocket Lab Corporation
⚡ Apply early Long Beach, CA Onsite $58,240–$58,240
● New 👁 Seen ✓ Applied 1mo ago
ST
Apprentice Piercer (Future Opportunity)
STUDS
⚡ Apply early Irvine, CA Onsite
● New 👁 Seen ✓ Applied 1mo ago
ST
Apprentice Piercer (Future Opportunity)
STUDS
⚡ Apply early Santa Clara, CA Onsite
● New 👁 Seen ✓ Applied 1mo ago
ST
Apprentice Piercer (Future Opportunity)
STUDS
⚡ Apply early Venice, CA Onsite
● New 👁 Seen ✓ Applied 1mo ago
ST
Apprentice Piercer (Future Opportunity)
STUDS
⚡ Apply early Canoga Park, CA Onsite
● New 👁 Seen ✓ Applied 1mo ago
ST
Apprentice Piercer (Future Opportunity)
STUDS
⚡ Apply early Los Angeles, CA Onsite
● New 👁 Seen ✓ Applied 1mo ago
ST
Apprentice Piercer (Future Opportunity)
STUDS
⚡ Apply early Roseville, CA Onsite
● New 👁 Seen ✓ Applied 1mo ago
Mill
Product Design Engineering Intern, Fall/Winter 2026
Mill
⚡ Apply early San Bruno, California Onsite
● New 👁 Seen ✓ Applied 1mo ago
Mill
Electrical Engineering Intern, Fall/Winter 2026
Mill
⚡ Apply early San Bruno, California Onsite
● New 👁 Seen ✓ Applied 1mo ago
Clockwork.io
Software Engineer Intern
Clockwork.io
⚡ Apply early Palo Alto, CA Onsite
● New 👁 Seen ✓ Applied 1mo ago
Altium Packaging
Plant Production Supervisor Trainee
Altium Packaging
⚡ Apply early Fresno Onsite $60,000–$73,500
● New 👁 Seen ✓ Applied 1mo ago
AD
Algorithm Development Engineer Intern
Analog Devices
⚡ Apply early US, MA, Wilmington Onsite $45,760–$85,280
● New 👁 Seen ✓ Applied 1mo ago
AD
Product Engineer (Product Development) Intern
Analog Devices
⚡ Apply early US, MA, Wilmington Onsite $45,760–$85,280
● New 👁 Seen ✓ Applied 1mo ago
AD
Analog Design Engineer Intern
Analog Devices
⚡ Apply early US, MA, Wilmington Onsite $45,760–$85,280
● New 👁 Seen ✓ Applied 1mo ago
AD
AI/ML Engineer Intern
Analog Devices
⚡ Apply early US, MA, Wilmington Onsite $45,760–$85,280
● New 👁 Seen ✓ Applied 1mo ago
Swinerton
Project Engineer Intern
Swinerton
⚡ Apply early Concord CA Onsite $39,520–$72,800
● New 👁 Seen ✓ Applied 1mo ago
Pluralis Research
Research Scientist Intern
Pluralis Research
⚡ Apply early San Francisco · location restricted
● New 👁 Seen ✓ Applied 1mo ago
Cisco
Product Lifecycle Supply Chain Project Specialist I (Intern) - United States
Cisco
⚡ Apply early San Jose, California, US Onsite
● New 👁 Seen ✓ Applied 1mo ago
Granite Construction
Material Sales Intern - Summer 2027
Granite Construction
⚡ Apply early Pleasanton, California Onsite $56,160–$56,160
● New 👁 Seen ✓ Applied 1mo ago
Sensata Technologies
Mechanical Engineer Intern (Aerospace) - Summer 2027
Sensata Technologies
⚡ Apply early Thousand Oaks, CA Onsite $52,000–$52,000
● New 👁 Seen ✓ Applied 1mo ago
AeroVironment
Test Product Engineering Intern
AeroVironment
⚡ Apply early Simi Valley, CA Onsite
● New 👁 Seen ✓ Applied 1mo ago
Moog
Intern, Product Engineering
Moog
⚡ Apply early Torrance, CA Onsite $55,723–$71,323
● New 👁 Seen ✓ Applied 1mo ago
Sensata Technologies
Mechanical Engineer Intern (Aerospace) - Summer 2027
Sensata Technologies
⚡ Apply early Vista, CA Onsite $52,000–$52,000
● New 👁 Seen ✓ Applied 1mo ago
Cisco
Business Analyst I (Intern) United States
Cisco
⚡ Apply early San Jose, California, US Onsite
● New 👁 Seen ✓ Applied 1mo ago
Cisco
Hardware Engineer I (Intern) - United States
Cisco
⚡ Apply early San Jose, California, US Onsite
● New 👁 Seen ✓ Applied 1mo ago

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