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Cybersecurity internships in California
As of November 12, 2026, Intern Insider listed 94 open internships in California that mention Cybersecurity, from 46 companies. 64 of these listings are not titled as Cybersecurity roles, so a title-only search misses them. Employers on this page include Tevora, Lawrence Livermore National Laboratory and Southern California Edison (SCE). 94 listings state that the role is paid. This page does not invent a salary when the listing is silent. Browse the roles by employer below. You can read the full posting free, then apply in minutes with a free account.
94 open roles · showing the 60 most relevant · 30 companies · 12 added this week
Lawrence Livermore National Laboratory13 open
- Power Systems Undergraduate Intern - Cyber and Critical Infrastructure Summer InstituteLivermore, California
- Power Systems Graduate Intern - Cyber and Critical Infrastructure Summer InstituteLivermore, California
- Critical Infrastructure Analysis Undergraduate Intern - Cyber and Critical Infrastructure Summer InstituteLivermore, California
- Critical Infrastructure Analysis Graduate InternLivermore, California
- Cybersecurity Undergraduate Intern - Cyber and Critical Infrastructure Summer InstituteLivermore, California
- Cybersecurity Graduate InternLivermore, California
- Critical Infrastructure Analysis Graduate InternLivermore, California
- Power Systems Undergraduate Intern - Cyber and Critical Infrastructure Summer InstituteLivermore, California
- Critical Infrastructure Analysis Undergraduate InternLivermore, California
- Power Systems Graduate Intern - Cyber and Critical Infrastructure Summer InstituteLivermore, California
- Cybersecurity Graduate InternLivermore, California
- Cybersecurity Undergraduate Intern - Cyber and Critical Infrastructure Summer InstituteLivermore, California
- Computing Undergraduate Student Intern: HPC Cluster Engineer Academy Internship ProgramLivermore, California
Tevora10 open
- Cybersecurity Internship - ThreatIrvine, California
- Cybersecurity Internship - HealthcareIrvine, California
- Cybersecurity Internship - SolutionsIrvine, California
- Cybersecurity Internship - PaymentsFairfax, Virginia
- Cybersecurity Internship - FederalFairfax, Virginia
- Cybersecurity Internship - Enterprise Risk ManagementIrvine, California
- Cybersecurity Consultant Development Program InternIrvine, California
- Cybersecurity Internship - Systems and Organizations ControlsIrvine, California
- Cybersecurity Internship - Systems and Organizations Controls (SOC)Irvine, California
- Cybersecurity Internship - ThreatIrvine, California
Highmark Health4 open
Illumio2 open
L3Harris Technologies2 open
Protiviti2 open
Rubrik2 open
Deloitte1 open
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As of November 12, 2026, Intern Insider listed 94 open internships in California that mention Cybersecurity, from 46 companies.
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