54 security engineering intern jobs at 31 companies in Union City, 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
2mo
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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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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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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
3mo
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Senior Manager, Engineering - Platform Security
Denver or New York City or San Francisco
$228k-$274k/yr HybridFull Time
4+ YOE4+ Mgmt4+ years managing Platform or Site Reliability Engineering teams; 10+ years distributed systems; experience with secrets/workload identity; large-scale production infra in cloud and on-prem; Linux internals; Python or Go a plus.
Kubernetes, PKI, Chef, Python, Go, Terraform, HashiCorp Vault, SPIFFE, SPIRE, Linux
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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
1d
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National Security Engineering Division (NSED) Undergraduate Intern - Summer 2027
Livermore, California, United States
$23-$32/hr OnsiteInternship, Temporary
0+ YOECurrent student pursuing an associate or bachelor's degree in engineering, physics, computer science, or a related field; strong academics, technical problem-solving, communication, teamwork, and computer skills required.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint
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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
2w
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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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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
2mo
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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
3mo
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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
3mo
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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
2mo
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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 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
3w
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Principal Engineer, Local AI - Agents and Systems
Santa Clara or Redmond
$272k-$431k/yr OnsiteFull Time
15+ YOE15+ years software engineering experience, deep Windows internals and security, LLM inference and GPU acceleration experience, C++ and Python proficiency, experience with agent frameworks and sandboxing.
Nemoclaw, OpenClaw, Nemotron, Ollama, Llama.cpp, vLLM, CUDA, TensorRT, Hermes, LangChain, C++, Python
3w
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Principal Engineer, Local AI - Agents and Systems
Santa Clara or Redmond
$272k-$431k/yr OnsiteFull Time
15+ YOE3+ Mgmt15+ years software engineering experience, deep Windows internals and security, LLM inference and GPU acceleration experience, proficiency in C++ and Python, experience with agent frameworks and local model deployment.
Nemoclaw, OpenClaw, Nemotron, Ollama, Llama.cpp, vLLM, CUDA, TensorRT, Hermes, LangChain, Windows, C++, Python
2mo
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Sr. Staff Software Development Engineer-AI Security
San Jose or Bellevue
$154k-$220k/yr HybridFull Time
8+ YOE8+ years software engineering; Rust with async; distributed systems; Linux internals; CI/CD; gRPC; Protobufs; Kubernetes; networking.
Rust, Tokio, async-std, gRPC, Protobufs, Linux, Kubernetes, Networking, TLS, QUIC, HTTP, WebSockets
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Principal Software Engineer, Endpoint Platform
Milpitas or Vancouver
$240k-$250k/yr HybridFull Time
2+ YOEPrincipal-level systems software engineer with 2+ years principal experience; strong C++, Rust, or Go; deep OS internals and endpoint security knowledge; experience with EDR/XDR/DLP/PAM/PEDM, ETW/eBPF, AI-assisted development tools, and AI/agent architectures.
C++, Rust, Go, EDR, XDR, DLP, PAM/PEDM, ETW, eBPF, GitHub Copilot, Cursor, Claude Code, Windsurf, ChatGPT, CI/CD, MCP, LLM
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