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Principal Security Researcher

Microsoft

Remote 3 days ago $142,800$274,800
Actively hiring Confirmed live 2 days ago Posted this week High trust Above market
Vulnerability Research Offensive Security Exploit Development Reverse Engineering Anomaly Detection Threat Analysis Software Development Lifecycle Security Research Automated Exploit Generation Cybersecurity Large-scale Computing
6+ yrs exp Remote

Principal AI Researcher

Cisco

Remote (Milpitas, CA) 9 days ago $296,300$374,800
Actively hiring Confirmed live 2 days ago High trust Above market
Reinforcement Learning Model-based RL PyTorch JAX Deep Learning Representation Learning Graph Learning Simulation Distributed Systems Networking open-source
8+ yrs exp Remote

Principal AI Researcher

Cisco

Seattle, WA +1 11 days ago $263,700$333,400
Actively hiring Confirmed live 2 days ago High trust Above market
Large Language Models PyTorch Reinforcement Learning Distributed Training Generative AI Agentic Frameworks Pre-training Inference Pipelines Context Engineering Networking Cybersecurity Data Center Infrastructure
10+ yrs exp Hybrid

Principal UX Researcher, AI & Developer Platforms

Arm Holdings

San Jose, CA +2 11 days ago $211,600$286,200
Actively hiring Confirmed live 3 days ago High trust Above market
UX Research AI Platforms Developer Tools APIs CLIs Runtimes Human-Computer Interaction Enterprise Software Performance Tooling Systems Thinking
Hybrid

Senior & Principal Security Researcher

Microsoft

28 days ago $119,800$234,700
Actively hiring Confirmed live 2 days ago High trust Competitive pay
Threat Hunting Cybersecurity Kusto Query Language (KQL) SQL SIEM Jupyter Notebooks Forensics TTPs IOCs IOAs Vulnerability Research Anomaly Detection Software Development Lifecycle WinHex Encase FTK
4+ yrs exp

Principal Security Researcher

Microsoft

Redmond, WA 38 days ago $142,800$274,800
Actively hiring Confirmed live 2 days ago High trust Above market
Vulnerability Research Large Language Models AI Agents Fuzzing Static Analysis Dynamic Analysis Reverse Engineering Symbolic Execution Taint Analysis C/C++ C# Java JavaScript TypeScript Python SARIF Threat Modeling
6+ yrs exp

Senior Security Researcher and Principal Security Researcher

Microsoft

Redmond, WA 45 days ago $119,800$234,700
Actively hiring Confirmed live 2 days ago High trust Competitive pay
LLMs AI Agents Model Evaluation CI/CD Data Pipelines SAST SCA SARIF Telemetry System Design Automation Frameworks Security Engineering Vulnerability Management
4+ yrs exp

Principal Researcher, Office Product Group

Microsoft

Redmond, WA 77 days ago $142,800$274,800
Actively hiring Confirmed live 2 days ago High trust Competitive pay
AI Machine Learning Fine-tuning Post-training Predictive Analytics Statistics Code Generation Human-in-the-loop Responsible AI Product Development
9+ yrs exp

Lead Principal Security Researcher, AdTech Platform

Oracle

Nashville, TN 85 days ago $139,400$306,400
Actively hiring Confirmed live 2 days ago High trust Above market
AdTech Threat Modeling Data Engineering GDPR Security Architecture Risk Assessment Control Testing Audit Software Engineering Metrics Privacy Engineering IVT
10+ yrs exp

Principal Applied Researcher

Microsoft

114 days ago $142,800$274,800
Actively hiring Confirmed live 2 days ago High trust Competitive pay
LLMs Machine Learning RAG AI GitHub Copilot VS Code Visual Studio Large-scale ML Experiments Software Engineering Research Science
4+ yrs exp