124 security intern jobs at 81 companies in California
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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
1mo
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Staff Security Engineer, Enterprise Security Engineering
Mountain View or San Francisco or Seattle or Pittsburgh or Dallas or Detroit or Phoenix
$171k-$273k/yr HybridFull Time
12+ YOE12+ years enterprise security engineering experience securing endpoints, identities, and internal infrastructure; proficiency in Go or Python; experience with enterprise security platforms, telemetry/SIEM, architecture reviews, and cross-functional project leadership.
Go, Python, EDR/XDR, MDM, IAM/IGA, DLP, PKI, SIEM, SCPs, GuardDuty, Security Hub, IAM, AWS, MITRE ATT&CK, NIST CSF, CIS Benchmarks
1mo
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Physical Security Lead
Torrance or Los Angeles
OnsiteFull Time
5+ YOE5+ years progressive physical security experience with leadership; hands-on experience with access control, CCTV, intrusion detection, executive protection, international travel security, and NISPOM familiarity; ability to obtain TS/SCI; U.S. citizen or lawful permanent resident required.
3w
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Security Software Engineer Project Intern (Network Security) - 2026 Start (BS/MS)
San Jose, California, United States
OnsiteInternship
Pursuing undergraduate or postgraduate STEM degree; proficient in Go/Python/C; familiar with algorithms, network protocols and cyber security; experience with MySQL, Redis, ES, Hive; strong coding skills.
Go, Python, C, MySQL, Redis, ES, Hive
3w
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Security Software Engineer Project Intern (Product Security) - 2026 Start (BS/MS)
San Jose, California, United States
OnsiteInternship
Pursuing a BS/MS in CS or STEM, security engineering knowledge (web, mobile, network, OS, crypto, cloud), coding experience in at least one listed language, and strong debugging/problem-solving skills.
JavaScript, Node JS, Go, Python, Java, C++, Rust, LLM, NLP
15h
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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
1mo
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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
1mo
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Information Security Analyst
Starbase or Hawthorne
OnsiteFull Time
2+ YOEBachelor's degree in a STEM field or 2+ years info security experience; experience with Linux/Windows/macOS internals, scripting (Bash, Python, PowerShell), ticket queue management, YubiKeys, SSH, PKI, and malware analysis.
Linux, Windows, macOS, Bash, Python, PowerShell, YubiKey, SSH, Public Key Infrastructure (PKI)
3w
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Cyber Security Auditor, Internal Audit
Chicago or Sunnyvale
$124k-$178k/yr OnsiteFull Time
4+ YOEBachelor's degree (or equivalent) and 4 years in internal audit/risk/compliance; experience with SQL, technical audits, and audit programs; strong communication and critical thinking; security certifications preferred.
SQL, Python, Java, C++
1mo
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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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Intern to Entry Level Conversion – Business Functions (All) (Summer 2026 Intern Program)
Everett or Saint Charles or Portland or Charleston or Oklahoma City or Berkeley or Miami or Huntington Beach or Hazelwood or Germantown or El Segundo or China Lake or Arlington or Ridley Park or Tukwila or North Charleston or Kennedy Space Center or Fairfax or Houston or Colorado Springs or Chicago or Long Beach or Renton or Dallas or Seattle or Auburn or Philadelphia or San Antonio or Kent or Mesa
$50k-$174k/yr HybridFull Time
Enrolled college student with graduation before August 2027; previous Boeing internship required. US Person required; some roles may require ability to obtain security clearance. Employer will not sponsor visas.
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
3w
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Director, Global Health, Safety & Security
Carlsbad, California, United States
$173k-$222k/yr OnsiteFull Time
12+ YOE12+ years in health & safety, security, or risk management; global/multi-site leadership; OSHA and international regulatory knowledge; workers' compensation and crisis management experience; data-driven and strategic.
2mo
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PhD Research Intern, Security and Privacy - Fall 2026
Santa Clara, California, United States
$30-$94/hr OnsiteFull Time
PhD in CE/CS/EE with strong background in computer architecture, OS, programming languages/compilers, cryptography, or AI/ML; strong publications; experience with C/C++, Python or scripting.
C, C++, Python, Scripting
1w
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Game Security Software Engineer
El Segundo, California, United States
$146k-$200k/yr OnsiteFull Time
Strong C++ and Windows internals knowledge, ability to analyze x64 assembly, develop user/kernel-mode security features, and design anti-cheat defenses; anti-cheat or kernel-driver experience preferred.
C++, IDA, Ghidra, WinDbg, x64dbg
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