75 security intern jobs at 46 companies in Concord, CA
4w
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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
2mo
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PhD Research Intern, Security and Privacy - Fall 2026
Santa Clara, California, United States
$30-$94/hr OnsiteFull Time, Internship
Pursuing a Ph.D. in CE/CS/EE, demonstrated security/privacy research expertise, publication record, experimental R&D experience, and proficiency in C, C++, or Python.
C, C++, Python, CUDA
3w
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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
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
19h
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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
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.
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
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
4w
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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
2mo
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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
3mo
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Director, National Security-Trade Controls
San Francisco, California, United States
$130k-$175k/yr OnsiteFull Time
Bachelor’s degree required; advanced degree strongly preferred; international trade and investment controls expertise; compliance or national security leadership experience; strong research and writing skills; proficient with MS Office tools
MS Teams, Word, Excel, PowerPoint, Project, Sharepoint
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