Summer 2027 internships in California
973 open postings from 210 employers. TikTok (101), Waymo (60) and Astranis (38) have posted the most. The most are in San Jose, CA (177), San Francisco, CA (154) and Los Angeles, CA (82). The biggest groups are Hardware (259), Software (218) and Data (200). The fields their titles name most are engineering (463), software engineering (199) and AI and machine learning (144). 1 is listed as remote. The list is read daily from company career pages and public internship lists, so closed roles drop off.
Start free 973 open postings · updated daily
Page 10 of 20 · newest first
- Loads & Dynamics Engineering Intern - Summer 2027HermeusLos Angeles, CASummer 2027$25–$33/hr
- Flight Software Engineering Intern (Summer 2027)Muon SpaceSan Jose, CASummer 2027
- Thermal Engineering Intern (Summer 2027)Muon SpaceSan Jose, CASummer 2027
- Quality Engineering Intern (Summer 2027)Muon SpaceSan Jose, CASummer 2027
- Summer 2027 Intern, State Income/Franchise TaxRyan LLCSacramento, CASummer 2027
- Summer 2027 Internship - San Francisco, CA - Technology & Innovation BankingWestern Alliance BancorporationSan Francisco, CASummer 2027
- Summer 2027 Internship - Beverly Hills, CA - Technology & InnovationWestern Alliance BancorporationBeverly Hills, CASummer 2027
- Mechanical Engineer Intern (Aerospace) - Summer 2027SensataThousand Oaks, CASummer 2027
- Mechanical Engineer Intern (Aerospace) - Summer 2027SensataVista, CASummer 2027
- 2027 Summer Intern, MS/PhD, Software Engineer, Onboard Developer PlatformWaymoMountain View, CASummer 2027
- Operations Internship, Summer 2027J.B. HuntBuena Park, CASummer 2027
- 2027 US Summer Internship - Early InterestDexcomSan Diego, CASummer 2027
- Brand Management Intern (MBA - Summer 2027)CloroxOakland, CASummer 2027
- MBA Finance Intern (Summer 2027)CloroxOakland, CASummer 2027
- Audit Internship - Summer 2027HCVTLong Beach, CASummer 2027
- Audit Internship - Summer 2027HCVTCamarillo, CASummer 2027
- Zip Motion Planning Intern (Summer 2027)ZiplineSouth San Francisco, CASummer 2027
- Sales Account Manager Intern, Electrical Engineering, Santa Clara (Summer 2027)GlobalFoundriesSanta Clara, CASummer 2027
- WED - Intern Electrical Power System (Summer 2027) (For Current & Recent HNTB Interns Only)HNTBLos Angeles, CASummer 2027
- 2027 Investment Banking Summer Associate Program - San FranciscoSantanderSan Francisco, CASummer 2027
- 2027 Investment Banking Summer Associate Program - Los AngelesSantanderLos Angeles, CASummer 2027
- 2027 Capital Markets, Global Investment Banking Summer Associate - San FranciscoRoyal Bank of CanadaSan Francisco, CASummer 2027
- RF Electrical Engineer Intern (Summer 2027)(Onsite)RTXEl Segundo, CASummer 2027
- Electrical Engineering Intern (Summer 2027)RTXEl Segundo, CASummer 2027
- Summer 2027 Audit Intern (Irvine)Armanino LLPIrvine, CASummer 2027
- Product Management Intern (Summer 2027)Zurn Elkay Water SolutionsPaso Robles, CASummer 2027
- Supply Chain Intern (Summer 2027)Zurn Elkay Water SolutionsPaso Robles, CASummer 2027
- Mechanical Engineering Intern (Summer 2027)Zurn Elkay Water SolutionsPaso Robles, CASummer 2027
- Intern Finance (Summer 2027)Zurn Elkay Water SolutionsPaso Robles, CASummer 2027
- Secondaries & Primaries Intern - Summer 2027 | SFArdianSan Francisco, CASummer 2027
- Software Engineering Intern (Summer 2027)Sierra Nevada CorporationFolsom, CASummer 2027
- Summer 2027 Software Engineering InternshipPacific LifeNewport Beach, CASummer 2027
- Summer 2027 Data Engineering InternshipPacific LifeNewport Beach, CASummer 2027
- Summer 2027 Actuarial Intern (Newport Beach)Pacific LifeNewport Beach, CASummer 2027
- Supply Chain Intern, BS - Summer 2027MarvellSanta Clara, CASummer 2027
- Undergrad Intern - Operations – Process Development (Summer 2027)AmgenThousand Oaks, CASummer 2027
- 2027 Summer Intern - Trade Support AnalystPIMCONewport Beach, CASummer 2027
- 2027 Summer Intern - Alternatives Business Management AnalystPIMCONewport Beach, CASummer 2027
- 2027 Summer Intern – Private Strategies Analyst, US (Residential Mortgages, NPB)PIMCONewport Beach, CASummer 2027
- 2027 Summer Intern - Trade Floor Operations AnalystPIMCONewport Beach, CASummer 2027
- 2027 Summer Intern - Business Development Support Analyst, USPIMCONewport Beach, CASummer 2027
- 2027 Summer Intern - Finance & Accounting AnalystPIMCONewport Beach, CASummer 2027
- 2027 Summer Intern - Product Strategy Analyst, USPIMCONewport Beach, CASummer 2027
- 2027 Summer Intern - Legal & Compliance AnalystPIMCONewport Beach, CASummer 2027
- 2027 Summer Intern – Trading Analyst, USPIMCONewport Beach, CASummer 2027
- Undergrad Intern - Business Development – Thousand Oaks, CA (Summer 2027)AmgenThousand Oaks, CASummer 2027
- 2027 Summer Intern – PhD Quant Research Analyst, Client Solutions & Analytics, USPIMCONewport Beach, CASummer 202710 weeks
- Grad Intern - Operations – Process Development (Summer 2027)AmgenThousand Oaks, CASummer 2027
- 2027 Summer Intern - Masters Quant Research Analyst, Client Solutions & Analytics, USPIMCONewport Beach, CASummer 2027
- 2027 MBA Summer Intern – Credit Research Analyst, USPIMCONewport Beach, CASummer 2027
Summer 2027 internships in California by employer
- TikTok 101
- Waymo 60
- Astranis 38
- Zipline 33
- ByteDance 30
- Rocket Lab USA 21
- General Motors 20
- Marvell 19
- NVIDIA 18
- Applied Materials 17
- Muon Space 15
- PIMCO 15
- Varda Space 15
- RTX 14
- Stantec 14
- General Matter 12
- Antares Nuclear 11
- Target 11
- AMCA 10
- Lawrence Livermore National Laboratory 10
- Skydio 10
- Astera Labs 9
- HP IQ 9
- JLL 9
Summer 2027 internships in California by role
Summer 2027 internships in California by field
- Engineering 463
- Software engineering 199
- AI and machine learning 144
- Research 64
- Hardware engineering 59
- Electrical engineering 32
- Data science 29
- Mechanical engineering 29
- Product management 28
- Aerospace engineering 25
- Cybersecurity 21
- Robotics 21
- Supply chain and logistics 19
- Business 18
- Cloud and DevOps 15
- Sales 15
- Manufacturing engineering 14
- Tax 14
Summer 2027 internships in California by city
Summer 2027 internships in other states
- New York 409
- Texas 398
- Ohio 267
- Illinois 264
- Massachusetts 187
- Florida 171
- Virginia 162
- Pennsylvania 157
- North Carolina 155
- Washington 153
- Colorado 144
- Michigan 143
- Tennessee 141
- Minnesota 131
- Wisconsin 124
- Georgia 123
- Iowa 120
- Arizona 80
- New Jersey 76
- Connecticut 71
- Missouri 71
- Indiana 69
- Maryland 56
- South Carolina 49
- Kansas 42
- Utah 42
- Alabama 32
- Arkansas 32
- Kentucky 32
- Idaho 22
Internships in California for other terms
Widen the search
Don't apply to Summer 2027 internships in California one at a time.
Use Auto Apply for matching roles, up to your daily cap. OfferAIO fills forms from your profile, tells you when a new posting opens, and keeps every interview and contact in one place. 5 free Auto Applies total. No card, no daily reset. Premium is $20/month, or the Season Pass is $49 once for about 4 months (120 days) with no auto-renew. Both include unlimited applications and Auto Apply. Auto Apply queues new matches up to the daily cap you set, at most 100 a day. Pause or cancel queued applications anytime.
Start free