76 security researcher jobs at 35 companies in Watsonville, CA
2mo
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Senior Security Researcher
Santa Clara, California, United States
$140k-$226k/yr OnsiteFull Time
3+ YOEBachelor's degree or equivalent experience, 3+ years in offensive security or vulnerability research, experience with reverse engineering/fuzzing/exploit development, familiarity with penetration testing, strong OS/network/application security knowledge.
Large Language Models (LLMs), LLMs, Reinforcement Learning, RLHF, Supervised Fine-Tuning (SFT), AI agents, fuzzers
1mo
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Firmware Security Researcher, SEAR
Cupertino, California, United States
OnsiteFull Time
Research and secure firmware and constrained compute environments, collaborate across hardware/software/privacy/design teams, and contribute to system security for Apple products.
1w
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Security Researcher (Detection Systems)
Sunnyvale, California, United States
$150k-$250k/yr OnsiteFull Time
5+ YOE5+ years building large-scale threat analysis or detection solutions, or a relevant Ph.D.; expertise in threat hunting, malware, vulnerability analysis, reverse engineering, or offensive security; strong Python proficiency.
Python, C, C++, Rust, Go, MITRE ATT&CK, EDR, XDR, SOC, IDS, IPS, LLMs
4w
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Principal Researcher – Technology & Security-Adjacent Systems
San Jose, California, United States
RemotePart Time, Contract
2+ YOE2+ years research/analytical experience; strong knowledge of technology policy, cybersecurity or semiconductor sectors; familiarity with export controls and trade regulation; ability to interpret technical and policy documents and produce clear written analysis.
3mo
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Applied Researcher 2/ Senior Applied Researcher
Redmond or Mountain View or New York
$102k-$261k/yr HybridFull Time
1+ YOEMaster's (1+ yr) or Bachelor's (2+ yrs) in a relevant field or equivalent; ability to pass Microsoft security screening; research experience with LLMs, CodeLLM or AI IDE preferred; experience publishing and running large-scale ML experiments.
GitHub Copilot, Microsoft VS Code, Microsoft Visual Studio, Copilot CLI, Copilot Code Review, LLM, CodeLLM, RAG, Code agent, AI IDE
3mo
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Sr. Threat Researcher
Sunnyvale, California, United States
$170k-$196k/yr OnsiteFull Time
5+ YOE5+ years in threat research or related field; strong MITRE ATT&CK knowledge; experience with security telemetry and threat hunting; excellent communication and collaboration.
MITRE ATT&CK, Security Telemetry, Detection Rules, Analytics Queries
1w
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Senior Product Quantitative Researcher, Cloud Security
Seattle or Sunnyvale
$159k-$230k/yr OnsiteFull Time
6+ YOEBachelor's degree or equivalent, 6 years of product research experience, programming for data manipulation and statistics, and SQL. Preferred: advanced degree, UX research, machine learning, cloud data, and ETL experience.
Python, R, MATLAB, C++, Java, Go, SQL, Google Cloud Platform, BigQuery
3w
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Applied AI/ML Researcher - Vice President
Palo Alto or Houston
$164k-$260k/yr OnsiteFull Time
5+ YOE5+ years in software engineering or applied AI/ML research, advanced degree or equivalent experience, strong Python skills, experience with cloud platforms, containers/Kubernetes, CI/CD, observability, and secure software practices.
Python, AWS, Azure, GCP, Kubernetes
1mo
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Security Research Engineer
Fulton or Ann Arbor or Atlanta or Austin or Boston or Cary or San Jose
$136k-$195k/yr OnsiteFull Time
BS degree, experience in threat or malware research and analysis, scripting with Python, familiarity with Windows/Linux/macOS telemetry, strong communication and critical thinking.
Python, Windows, Linux, macOS
1d
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Senior Security Engineer, Device Platform Security Team
Sunnyvale or Seattle
$178k-$248k/yr OnsiteFull Time
5+ YOEBachelor's degree and 5+ years identifying security issues, assessing risks, and developing mitigations. Requires Linux and RTOS knowledge, vulnerability research, network security, cryptography, application security, and C code review.
Linux, C, C++, Ruby, Perl, Python, Bash, Android, Bluetooth, WiFi, Zigbee, Thread
3w
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Security Research Engineer, AI Safety and Security Engineering
Santa Clara or North Carolina or Tennessee or New York or California or Florida
$152k-$242k/yr HybridFull Time
5+ YOE5+ years security research or software engineering experience; hands-on vulnerability research, fuzzing or program analysis in C, C++, or Python; strong judgment on fix correctness and revalidation.
C, C++, Python, LLM
3w
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Security Research Engineer, AI Safety and Security Engineering
Santa Clara or North Carolina or New York or Tennessee or Florida or California
$152k-$242k/yr HybridFull Time
5+ YOE5+ years security research or software engineering experience, hands-on vulnerability research/fuzzing/program analysis, strong C/C++/Python skills, rigor in patch correctness, and comfort with AI-assisted workflows.
C, C++, Python, fuzzers, static analyzers, symbolic-execution tools, AI-assisted tools, LLM
1mo
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AI-Native Security Agent Engineer
San Jose, California, United States
OnsiteFull Time
3+ YOE3+ years software engineering experience in security, networking or AI; proficiency in Go, Python or TypeScript; hands-on LLM/Agent development experience; strong communication and self-driven mindset.
Go, Python, TypeScript, OpenClaw, Hermes Agent, LLM Guard
1mo
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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
1mo
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Staff II - Application Security Engineer
Atlanta or Mountain View
$220k-$270k/yr HybridFull Time
12+ YOE12+ years application security experience; expertise in threat modeling, secure design and architecture for cloud-native systems; proficiency reading Java and C++; experience with code review, vulnerability research, and maturing security programs.
Java, C++, CodeQL
8h
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Research Scientist Intern, AI, Cyber Security, Safety — MSL Trust & Safety (PhD)
Menlo Park, California, United States
$8k-$13k/mo OnsiteInternship
PhD in a technical field, strong AI safety or cybersecurity publication record, large language model experience, and cybersecurity, trust and safety, or responsible AI experience required.
Large Language Models (LLMs), PyTorch
1mo
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Research Partnership Manager
Palo Alto or London
OnsiteFull Time
Operationally manage R&D and commercial partnerships, drive delivery plans, coordinate cross-functional stakeholders, perform diligence on security requirements, and translate research blockers into actionable updates.
3mo
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Distinguished Engineer, Machine Learning
Santa Clara, California, United States
$147k-$300k/yr OnsiteFull Time
12+ YOE12-15+ years AI/ML architecture experience; expertise in large-scale security AI/ML; strong deployment of LLMs; able to communicate with executives.
vLLM, SGLang, KV Cache, LLM_serving, Python, TensorFlow, PyTorch
1mo
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Technology Lead, Agentic AI and R&D
San Jose, California, United States
$119k-$179k/yr HybridFull Time
2+ YOEMaster's with 3+ years or PhD with 2+ years; technical leadership; distributed systems and cloud (AWS/Azure); security and data governance; CI/CD and observability experience.
AWS, Azure, CI/CD, observability, SAFe
4d
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Case Study Proctor Associate 6450041
Mountain View or San Francisco or Walnut Creek or United States
$22-$32/hr OnsiteFull Time, Contract
1+ YOERequires at least one year of experience, precise protocol execution, hardware and software troubleshooting, secure data handling, equipment setup, documentation, communication, confidentiality, and schedule flexibility.
JIRA, sensors, wearables
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