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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
110
last 24 hours
Companies
491
actively hiring
Worldwide remote
0
from anywhere
in: California employment: Internship Clear all
Sort Newest Top salary
Zurn Elkay
Product Management Intern (Summer 2027)
Zurn Elkay
⚡ Apply early Paso Robles, CA Onsite $37,960–$47,840
● New 👁 Seen ✓ Applied 1mo ago
JC
BEST Technical Sales Trainee - Fire - San Diego, CA
Johnson Controls
⚡ Apply early San Diego-California-United St... Onsite $91,000–$91,000
● New 👁 Seen ✓ Applied 1mo ago
NVIDIA
PhD Research Intern, Hardware and Systems Architecture - 2027
NVIDIA
⚡ Apply early US, CA, Santa Clara Onsite
● New 👁 Seen ✓ Applied 1mo ago
BT
Summer 2027 Tax Credits & Incentives Intern
Baker Tilly
⚡ Apply early USA CA Irvine 2050 Main St Onsite $57,200–$227,136
● New 👁 Seen ✓ Applied 1mo ago
JC
BEST Technical Sales Trainee - HVAC Controls- Huntington Beach, CA
Johnson Controls
⚡ Apply early Huntington Beach-California-Un... Onsite $103,000–$103,000
● New 👁 Seen ✓ Applied 1mo ago
JC
BEST Technical Sales Trainee - Security - Burbank, CA
Johnson Controls
⚡ Apply early Burbank-California-United Stat... Onsite $91,000–$91,000
● New 👁 Seen ✓ Applied 1mo ago
JC
BEST Technical Sales Trainee - HVAC Controls- Folsom, CA
Johnson Controls
⚡ Apply early Folsom-California-United State... Onsite $102,000–$102,000
● New 👁 Seen ✓ Applied 1mo ago
Ames Construction
Engineering Intern
Ames Construction
⚡ Apply early Corona, CA Onsite $41,600–$45,760
● New 👁 Seen ✓ Applied 1mo ago
Marvell
Design For Test Intern, MS - Summer 2027
Marvell
⚡ Apply early Santa Clara, CA Onsite
● New 👁 Seen ✓ Applied 1mo ago
Cisco
Data Analyst I (Intern) - United States
Cisco
⚡ Apply early San Jose, California, US Onsite
● New 👁 Seen ✓ Applied 1mo ago
Cushman & Wakefield
Automation Engineer Apprentice
Cushman & Wakefield
⚡ Apply early Client Site - USA - CA - Eastv... Onsite $64,480–$75,858
● New 👁 Seen ✓ Applied 1mo ago
NVIDIA
PhD Research Intern, Generalist Embodied Agents Research - 2027
NVIDIA
⚡ Apply early US, CA, Santa Clara Onsite
● New 👁 Seen ✓ Applied 1mo ago
JC
BEST Technical Sales Trainee - Security - Huntington Beach, CA
Johnson Controls
⚡ Apply early Huntington Beach-California-Un... Onsite $91,000–$91,000
● New 👁 Seen ✓ Applied 1mo ago
Hewlett Packard Enterprise
PhD Research Intern
Hewlett Packard Enterprise
⚡ Apply early Milpitas, California, United S... Onsite $114,400–$131,560
● New 👁 Seen ✓ Applied 1mo ago
JC
BEST Technical Sales Trainee - Security - San Francisco, CA
Johnson Controls
⚡ Apply early San Francisco-California-Unite... Onsite $91,000–$91,000
● New 👁 Seen ✓ Applied 1mo ago
JC
BEST Technical Sales Trainee - HVAC Controls- San Francisco, CA
Johnson Controls
⚡ Apply early Livermore-California-United St... Onsite $102,000–$102,000
● New 👁 Seen ✓ Applied 1mo ago
White Cap
Career Development Program - Operations Leader Trainee
White Cap
⚡ Apply early Santa Ana_92705 Onsite $47,424–$66,352
● New 👁 Seen ✓ Applied 1mo ago
Danaher
Hardware Engineering Intern
Danaher
⚡ Apply early Vista, California, United Stat... Onsite $52,000–$72,800
● New 👁 Seen ✓ Applied 1mo ago
Charles River Associates
(2028 Bachelor's/Master's graduates) Accounting/Business/Finance Consulting Analyst/Associate Intern (Summer 2027)
Charles River Associates
⚡ Apply early Boston, MA, United States; Chi... Hybrid $62,400–$78,000
● New 👁 Seen ✓ Applied 1mo ago
Tri
Human-Centered AI Research Intern, Causal Reasoning Models
Tri
⚡ Apply early Los Altos, CA Hybrid $93,600–$135,200
● New 👁 Seen ✓ Applied 1mo ago
Rocket Lab Corporation
Security Analyst Intern Summer 2027
Rocket Lab Corporation
⚡ Apply early Long Beach, CA Onsite $52,000–$52,000
● New 👁 Seen ✓ Applied 1mo ago
Rocket Lab Corporation
Security Analyst Intern Spring 2027
Rocket Lab Corporation
⚡ Apply early Long Beach, CA Onsite $52,000–$52,000
● New 👁 Seen ✓ Applied 1mo ago
Rocket Lab Corporation
Propulsion Analyst Intern Summer 2027
Rocket Lab Corporation
⚡ Apply early Long Beach, CA Onsite $58,240–$58,240
● New 👁 Seen ✓ Applied 1mo ago
Rocket Lab Corporation
Propulsion Analyst Intern Spring 2027
Rocket Lab Corporation
⚡ Apply early Long Beach, CA Onsite $58,240–$58,240
● New 👁 Seen ✓ Applied 1mo ago
Rocket Lab Corporation
Manufacturing Engineering Intern Summer 2027
Rocket Lab Corporation
⚡ Apply early Long Beach, CA Onsite $58,240–$58,240
● New 👁 Seen ✓ Applied 1mo ago

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