Engineering internships in California
1,174 open postings from 276 employers. Tesla (107), TikTok (78) and Astera Labs (43) have posted the most. 697 of them name a term, most often Summer 2027 (458) and Winter 2027 (99). The most are in San Jose, CA (217), San Francisco, CA (199) and Palo Alto, CA (152). The biggest groups are Hardware (568), Software (392) and Data (167). 3 are listed as remote. A posting is listed here when its own title says so, whatever role it is filed under. The list is read daily from company career pages and public internship lists, so closed roles drop off.
Start free 1,174 open postings · updated daily
Page 1 of 24 · newest first
- Mechanical Engineering Intern - Buildings (Summer 2027)StantecSan Francisco, CASummer 2027
- Environmental Engineering Intern - Summer 2027StantecSacramento, CASummer 2027
- Mechanical Engineering Intern - Buildings (Summer 2027)StantecSan Diego, CASummer 2027
- Mechanical Engineering Intern - Buildings (Summer 2027)StantecSacramento, CASummer 2027
- Mechanical Engineering Intern - Buildings (Summer 2027)StantecLos Angeles, CASummer 2027
- Intern, Systems Software EngineeringSamsung SemiconductorSan Jose, CA
- ASIC Verification Engineering InternHewlett Packard EnterpriseRoseville, CASummer 2027
- Hardware Test Engineer InternLunar EnergyMountain View, CASpring 2027
- Quality Engineering Intern Spring 2027Rocket Lab USALong Beach, CASpring 2027
- 2026 Mechanical Engineer Intern - Manhattan Beach CANorthrop GrummanManhattan Beach, CA
- Software Engineer InternKLAMilpitas, CA
- Manufacturing Engineering Co-op (Summer/Fall 2027)RTXSanta Fe Springs, CASummer 2027
- Aeromechanical Engineering InternAeroVironmentMoorpark, CA
- GNC / Autonomy Engineering InternAeroVironmentSimi Valley, CA
- Field Applications Engineer Intern (MPSNow)Monolithic Power SystemsSan Jose, CA
- 2027 Summer Intern - AI/ML Engineer - Autonomous VehiclesGeneral MotorsSunnyvale, CASummer 2027
- Intern - Research - Protein Therapeutics, Computational Biologics Engineering - AIGilead SciencesFoster City, CA
- Data Engineer Intern - EnergyTeslaPalo Alto, CASpring 2027
- Software Engineering InternL3Harris TechnologiesCarlsbad, CASummer 2027
- Manufacturing Engineering InternArcTorrance, CA
- Core Engineering InternEtched.aiSan Jose, CA12 weeks
- PhD Intern, Security Engineer (2027)FigmaSan Francisco, CA16 weeks
- Arena Engineering InternPTCSan Mateo, CASummer 2027
- ASIC Verification Engineer InternHewlett Packard EnterpriseRoseville, CA
- Software Engineer InternZooxFoster City, CASummer 2027
- Software Engineer InternWestern MagneticsSouth San Francisco, CAWinter 2027
- Software Engineer InternL3Harris TechnologiesCarlsbad, CASummer 2027
- Software Engineer Intern - First PlayLinkedInMountain View, CASummer 2027
- Software Development Engineer in Test InternASMLSan Diego, CASummer 2027
- Application Engineer InternRenesas ElectronicsSan Jose, CASummer 2027
- 2027 Electrical Engineer Intern- Redondo Beach CANorthrop GrummanRedondo Beach, CA
- Contract Student Worker - Software Engineer (40 hrs/wk)ZooxFoster City, CA
- Summer 2027 Industrial Engineering Intern- Bachelor's (Santa Clara, CA)Applied MaterialsSanta Clara, CASummer 2027
- Mechanical Engineering Intern (Summer 2027)RTXEl Segundo, CASummer 2027
- Manufacturing Software Engineer InternIntuitive SurgicalSunnyvale, CA
- Robotics Engineer InternIntuitive SurgicalSunnyvale, CASummer 2027
- Robotics Engineering InternIntuitiveSunnyvale, CA
- Software Engineering Intern - HP IQHewlett Packard (HP)San Francisco, CA
- Software Engineering Intern, Connectivity - HP IQHewlett Packard (HP)San Francisco, CA
- Cloud Engineering Intern - HP IQHewlett Packard (HP)San Francisco, CA
- 2027 Power Systems Engineering Undergraduate InternThe Aerospace CorporationEl Segundo, CA
- 2027 Radio Frequency (RF) Spectrum Engineering Undergrad InternThe Aerospace CorporationEl Segundo, CA
- 2027 Power Systems Engineering Graduate InternThe Aerospace CorporationEl Segundo, CA
- Manufacturing Engineering InternZOLL MedicalSan Jose, CA
- University - 2027 Summer Games Systems Engineer Intern - El Segundo, CABooz Allen HamiltonEl Segundo, CASummer 2027
- University - 2027 Summer Games Systems Engineer Intern - San Diego, CABooz Allen HamiltonSan Diego, CASummer 2027
- Software Engineer InternLockheed MartinSunnyvale, CASummer 2027
- Analytics Engineer InternWorkdayPleasanton, CA
- Frontend Engineer InternCertaSan Francisco, CASummer 2027
- Robotics Engineering Intern: Systems & Applications - IMMEDIATE STARTGrayMatter RoboticsLos Angeles, CA$30–$40 per hour
Engineering internships in California by employer
- Tesla 107
- TikTok 78
- Astera Labs 43
- Astranis 32
- Rivian 32
- ByteDance 26
- Waymo 23
- Keysight Technologies 21
- Zipline 18
- Skydio 16
- KLA 15
- The Aerospace Corporation 15
- AeroVironment 14
- Meta 14
- RTX 14
- Freeform 13
- Rocket Lab USA 13
- Stantec 13
- Muon Space 12
- AMD 11
- Applied Materials 11
- Rivian and Volkswagen Group Technologies 11
- Bedrock Robotics 10
- General Motors 10
Engineering internships in California by city
Engineering internships in California by term
Other fields in California
- Software engineering 424
- AI and machine learning 351
- Research 230
- Hardware engineering 218
- Electrical engineering 94
- Robotics 89
- Mechanical engineering 78
- Aerospace engineering 54
- Product management 50
- Sales 49
- Data science 47
- Cybersecurity 45
- Business 39
- Supply chain and logistics 39
- Cloud and DevOps 33
- Energy 32
- Marketing 30
- Data analyst 29
- Data engineering 29
- Manufacturing engineering 28
- Tax 27
- UX and product design 21
- Audit 17
- IT 15
- Project management 15
- Biology and life sciences 14
- Environment and sustainability 14
- Civil engineering 12
- Physics 8
Engineering internships in other states
Widen the search
Don't apply to engineering 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