51 security researcher jobs at 24 companies in Marina, CA
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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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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
6d
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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
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
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
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
2w
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Lead Aeromechanics, Thermal & Acoustics Engineer – Special Programs
San Jose, California, United States
$138k-$190k/yr OnsiteFull Time
8+ YOEExpertise in aeromechanics, thermal management, and acoustics for aerospace prototype vehicles; 8+ years relevant experience; Bachelor's in Aerospace/Mechanical Engineering; U.S. Person and ability to obtain government security clearance required.
CFD
2mo
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Software Engineer, E-commerce Supply Chain and Logistics - USDS
San Jose, California, United States
$137k-$259k/yr OnsiteFull Time
Bachelor's in CS or related, experience building highly scalable backend services using Java/Golang/Python/C++, deep knowledge of data structures, algorithms, networking, security, and databases like MySQL/Redis/Kafka.
Java, Golang, Python, C++, MySQL, Redis, Kafka
1mo
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Delivery Specialist - Union GBA
San Jose, California, United States
$19-$25/hr OnsiteFull Time
Must possess a valid state driver's license and meet company driving record standards; operate delivery vehicles and handheld fleet devices; secure vehicles and collected monies; provide customer service; bilingual (Spanish) encouraged.
1w
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Product Manager, UX
Santa Clara, California, United States
OnsiteFull Time
Requires systems thinking, product vision, AI prototyping, evaluation frameworks, SQL, Git, cross-functional leadership, customer research, and enterprise security and auditability expertise.
CLI, API, Model Context Protocol (MCP), SQL, Git
2mo
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General Interest - Coram AI is Hiring (Series B & Growing)
Sunnyvale or London or Atlanta or Lehi or New York City or San Francisco or Scottsdale
$60k-$300k/yr OnsiteFull Time
Open to candidates across engineering, product, sales, AI research, design, and operations who value craftsmanship, clarity, and shipping impactful AI-powered video security products.
1w
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Sr. Software Engineer - Windows Sensor (Hybrid)
Redmond or New York City or Austin or Sunnyvale or Toronto
$140k-$215k/yr HybridFull Time
5+ YOE5+ years developing Windows software in C/C++ or other low-level languages; expertise in Windows internals; security research experience; AI technology experience; collaboration and leadership skills.
C++, Python, Falcon Sensor, CI/CD, AI, LLM
5d
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Product Designer, Defense
Sunnyvale, California, United States
$170k-$200k/yr OnsiteFull Time
4+ YOERequires 4+ years in product or UX design, a strong portfolio, user-centered design expertise, Figma proficiency, user research experience, excellent communication, and U.S. citizenship with security clearance eligibility.
Figma
2mo
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Call Center Representative - DHA
Birmingham or Phoenix or Los Angeles or Salinas or Fort Lauderdale or Chicago or Baltimore or Philadelphia or Wilkes-Barre or Albuquerque or Dallas or Houston or Kansas City or Jamaica or San Juan or Detroit or Cincinnati
$41k-$82k/yr OnsiteFull Time
1+ YOEProvide high-quality customer service via SSA's national 800 number, conduct telephone interviews, explain Social Security and Medicare rules, research eligibility, and pass a competency panel interview (CAIP).
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