Drimva

TikTok

Security Engineer, Detection & Response - Global Security Organization - Threat Management Incident Response and Investigation

San Jose, California · Full-time · Posted Oct 28, 2026

Experience
5+ years

About the job

Build and operate enterprise-scale detection systems to identify cyber threats and AI agent security risks across security telemetry.

What you'll do

  • Own detection rules, behavioral models, and pipelines from log ingestion through alerting.
  • Build streaming anomaly detection pipelines using statistical methods and unsupervised learning; hunt historical logs for threats and detection gaps.
  • Develop detection for AI agent attacks and interactions, and optimize alert quality and logging standards.

What they ask for

  • 5+ years of hands-on experience in information security, cybersecurity engineering, or a related technical field.
  • Experience processing and correlating large-scale, multi-source security telemetry.
  • Foundation in data analysis, statistics, and applied machine learning for anomaly detection; hands-on experience building SIEM/EDR detection rules or threat-hunting queries.
  • Knowledge of AI agent security risks and hardening strategies, including prompt injection, unauthorized tool execution, and denial of service.

Nice to have

  • Familiarity with MITRE ATLAS and applying it to AI system threat modeling and risk assessment.
  • LLM/agent detection experience, agent loop architecture knowledge, or global enterprise-scale detection operations experience.

Tools

MITRE ATLAS, OWASP Top 10 for LLMs, SIEM, EDR

AI focus

Detect AI agent abuse and other AI-specific risks, including unauthorized tool calls, agent escape, multi-agent collusion, instruction manipulation, and data exfiltration; monitor agent–LLM–tool–data interactions.

Model-written summary · the original posting is authoritative

First seen Oct 28, 2026 · Last verified Nov 5, 2026 (UTC)