Winter 2026 internships in California
21 open postings from 14 employers. Keysight Technologies (8) has posted the most. The most are in Santa Rosa, CA (4), San Francisco, CA (3) and San Jose, CA (3). The biggest groups are Hardware (8), Data (6) and Software (5). The fields their titles name most are engineering (11), research (5) and software engineering (5). The list is read daily from company career pages and public internship lists, so closed roles drop off.
- Governance, Risk, & Compliance Intern - Winter 2026/2027Axos BankSan Diego, CAWinter 2026
- Mechanical Engineer - Winter 2026 InternshipMedraSan Francisco, CAWinter 2026
- Research Scientist Intern - RoboticsMetaMenlo Park, CAWinter 2026
- Radio Frequency IC Designer InternKeysight TechnologiesSanta Rosa, CAWinter 2026
- EDA AI/ML Software InternKeysight TechnologiesCalabasas, CAWinter 2026
- EDA AI/ML Layout Engineering InternKeysight TechnologiesCalabasas, CAWinter 2026
- Research and Development Software Engineer InternKeysight TechnologiesSanta Rosa, CAWinter 2026
- Analog and Mixed Signal IC Design Engineer InternKeysight TechnologiesSanta Clara, CAWinter 2026
- Semiconductor Systems Automation InternKeysight TechnologiesSanta Rosa, CAWinter 2026
- Robotics Intern - Winter 2026MytraBrisbane, CAWinter 2026
- Software Engineer InternKeysight TechnologiesSanta Rosa, CAWinter 2026
- Systems Engineering Intern, Winter 2026MillSan Bruno, CAWinter 2026
- Software Engineer InternL3Harris TechnologiesSan Diego, CAWinter 2026
- Global Customer Experience Business Analytics InternTikTokSan Jose, CAWinter 2026
- Engineering Intern - ASIC VerificationMicrochip TechnologySan Jose, CAWinter 2026
- Integrated Photonics Research InternKeysight TechnologiesSanta Clara, CAWinter 2026
- Software Engineer Intern - Agent SystemsArmadinPalo Alto, CAWinter 2026
- Research Intern - Frontier AI SystemsByteDanceSan Jose, CAWinter 2026
- Electrical Engineer InternFoundationSan Francisco, CAWinter 2026
- Software Engineer InternEspa AISan Francisco, CAWinter 2026
- Research Intern - Deep Learningpony.aiFremont, CAWinter 2026
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