80 security intern jobs at 49 companies in San Mateo, CA
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Cyber Security Intern
San Francisco, California, United States
$40-$55/yr HybridInternship
Pursuing Bachelors/Masters in cybersecurity, CS, or related; interest in cloud/data security and SecOps; basic knowledge of GCP/AWS/Azure and SQL; strong communication and analytical skills.
GCP, AWS, Azure, SQL, Cursor, Claude Code, SIEM, CI/CD, LLM
1mo
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Security Engineer Intern
San Mateo, California, United States
$30-$50/hr HybridInternship
Coursework or projects in security engineering/cloud/DevSecOps; ability to read code and automate with at least one language (Python, Go); familiarity with cloud security, IAM, CI/CD security, containers/Kubernetes; strong communication.
Python, Go, Terraform, OPA, Conftest, GitHub Actions, GitLab, SIEM, CI/CD, OWASP Top 10
1w
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Security Analyst Intern
San Jose, California, United States
$26-$38/hr OnsiteFull Time
3+ YOEBachelor's in CS/IT/cybersecurity, 3+ years information security experience, 2+ years DevOps/DevSecOps, knowledge of SIEM, OIDC/SAML, REST/JSON/XML, scripting, containers, CI/CD and security frameworks.
REST, JSON, XML, OIDC, SAML, Python, Bash, PowerShell, Git, Docker, Kubernetes, Jenkins, GitLab CI, Travis CI, Terraform, Ansible, SIEM, SSO, IDPS
1d
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Search Security Strategy Operations Intern (TikTok-Platform Responsibility-Search) - 2027 Summer
San Jose or Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
OnsiteInternship
Current undergraduate or master's student in computer science, statistics, information management, data science, or related field; content risk awareness and basic security strategy knowledge required.
1mo
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Security Engineering Project Intern (Watermark) - 2026 Start (BS/MS)
San Jose, California, United States
OnsiteInternship
Currently pursuing a Bachelors or Masters in CS, CE, Security, AI or other STEM; strong CS fundamentals; proficiency in Python/Go/C++/Java; OpenCV or deep learning experience; able to commit ≥3 months.
Python, Go, C++, Java, OpenCV
1w
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Senior Security Engineer
Milpitas, California, United States
$131k-$218k/yr HybridFull Time
5+ YOE5–10+ years security engineering experience, bachelor’s degree or equivalent, deep EDR/XDR platform experience, Windows/Linux internals, malware analysis, strong scripting (PowerShell, Python), SOC platform ownership.
EDR/XDR, CrowdStrike, Defender, SentinelOne, PowerShell, Python, SIEM, SOAR, MITRE ATT&CK
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Product Security Engineer
San Carlos, California, United States
$138k-$250k/yr OnsiteFull Time
5+ YOE5+ years in product/offensive security; strong Linux internals, penetration testing, cryptography/PKI, cloud/CI/CD security; proficiency in C/C++, Rust, Go or Python; bachelor’s in CS/InfoSec/Engineering or equivalent.
C, C++, Rust, Go, Python, Linux, OP-TEE, fTPM, AWS, GCP, Azure, Kubernetes, CI/CD, HSM, Thales, Utimaco, AWS CloudHSM, ACME, SCEP, NVIDIA Jetson, SBOM, PKI
2mo
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Infrastructure Security Engineer
San Francisco, California, United States
OnsiteFull Time
BS in CS/EE or equivalent; Rust/Go/Python; Linux internals; Kubernetes security; software supply chain security; identity and secrets management; experience protecting assets; detection and response; multi-cloud (AWS, GCP, Azure, CoreWeave, Crusoe).
Rust, Go, Python, Kubernetes, SBOM, signing, attestation, AWS, GCP, Azure, CoreWeave, Crusoe
2mo
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Security Engineer, Level 5, Detection & Response
Los Angeles or Palo Alto or Santa Monica
$178k-$313k/yr HybridFull Time
6+ YOE6+ years in security fields; strong Python/Go; cloud and OS internals knowledge; threat hunting and incident response.
Python, Go, macOS, Windows, Linux, Kubernetes, AWS, Google Cloud Platform
1mo
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Physical Security Technology Lead
San Francisco, California, United States
$137k-$206k/yr OnsiteFull Time
2+ YOE2+ years security systems engineering/administration and project management experience; vendor management; proficiency in Microsoft Office and Google applications; ability to develop, procure, and maintain physical security hardware and software; domestic and international travel required.
Microsoft Office, Google applications, Avigilon, OpenPath, Glean, Claude, Gemini, computer-aided drafting systems
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Head of Physical Security
Santa Clara, California, United States
$188k-$281k/yr OnsiteFull Time
15+ YOE8+ MgmtSeasoned global physical security leader with 15+ years in physical/corporate security, 8+ years leading global programs, experience in access control, video surveillance, GSOC, crisis response, vendor management, and international travel.
1mo
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Principal Security Researcher, OT/Healthcare
Santa Clara, California, United States
$163k-$263k/yr OnsiteFull Time
4+ YOE4+ years' hands-on experience; strong firmware/boot ROM reverse engineering, kernel internals and secure boot knowledge; hardware debugging (UART, JTAG, SWD, oscilloscopes, logic analyzers); programming in C/C++ and Python; strong communication skills.
ARM, MIPS, x86_64, UART, JTAG, SWD, oscilloscopes, logic analyzers, C/C++, Python, AI
1mo
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Security Engineer II, Detection and Response
San Francisco or Vancouver or Phoenix or Los Angeles or Seattle or Austin or Portland or California or United States or Canada
$123k-$165k/yr RemoteFull Time
2+ YOE2+ years in detection/response or security engineering; experience with incident response, AWS + EKS, AI tooling, MacOS internals, and programming in Python or Golang; familiarity with Slack and GSuite; able to take on-call shifts.
Slack, Apple MacOS, GSuite, SIEM, Orchestration platforms, AWS, EKS, AI tooling, Python, Golang
1d
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International Security Analyst
Livermore, California, United States
$211k-$321k/yr HybridFull Time
Master’s degree or equivalent experience; significant nuclear security and program management experience; leadership, analytical, communication, partnership, and budget management skills; U.S. citizenship and ability to obtain DOE Q clearance.
NNSA, IAEA
1mo
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Platform Security Engineering, Operating Systems
San Francisco or New York City or Seattle
$320k-$405k/yr HybridFull Time
Deep Linux internals and kernel security knowledge, C and systems programming, eBPF experience, familiarity with SELinux/AppArmor/seccomp, track record fixing OS-level vulnerabilities; bachelor's degree or equivalent.
Linux, SELinux, AppArmor, Linux Security Modules, seccomp, eBPF, C, SEV, TDX, SGX, TPM, HSM
2d
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Intern, IT Infrastructure Support
Walnut Creek, California, United States
$20-$25/hr HybridFull Time, Internship
Working toward a computer science diploma or degree; familiarity with Microsoft solutions, IT processes, documentation, security practices, and project tools. Mandarin is highly desired.
Microsoft Autopilot, Microsoft Intune, Microsoft Windows, Microsoft 365, Microsoft Active Directory, Microsoft Azure, Conditional Access, Microsoft Planner, Jira, ITIL
3mo
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Head of Security & Business AI Applications
San Francisco or New York City or Salt Lake City or Dublin
HybridFull Time
10+ YOE3+ Mgmt10+ years IT/security with 3+ years in leadership; experience with AI/LLM internal tools; GDPR and data privacy; SOC 2 Type II renewals; strong business and security acumen.
LLM, AI, SaaS, SOC 2, ISO 27001, GDPR, Penetration testing, Security governance
1mo
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Security Software Engineer II, Detection and Response
San Francisco or United States
$124k-$255k/yr RemoteFull Time
Experience in intrusion detection and incident response in cloud environments; SIEM query writing, telemetry analysis (EDR, osquery, firewall logs), scripting (Python/Go/Ruby), networking fundamentals, and OS internals (macOS/Linux/Windows).
SIEM, EDR, Osquery, Python, Go, Ruby, MacOS, Linux, Windows, TCP/IP
2mo
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Staff Software Engineer - Security
San Mateo, California, United States
$220k-$270k/yr HybridFull Time
7+ YOE7+ years in cloud/platform/infrastructure security, strong AWS experience, proficiency with Python or Go, familiarity with SIEM and vulnerability management, experience reviewing system designs/RFCs, and ability to build internal security tooling.
AWS, Python, Go, SIEM, Kubernetes, SSO, SCIM, FedRAMP, SOC 2, ISO 27001, Texas RAMP, CJIS
15h
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Intern Yr Rnd - R&D Grad -- ML-based Materials Discovery, Remote
Livermore or United States or California or United States
RemoteInternship
Earned bachelor's degree, full-time enrollment in an accredited science, engineering, or math graduate program, 3.0 GPA, U.S. citizenship, security-clearance eligibility, and availability for up to 30 academic-year or 40 summer hours weekly.
LAMMPS, atomate, ASE, pymatgen, Materials Project, OQMD
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