Security Engineer, Detection & Response - Global Security Organization

TikTok’s Global Forensics team is responsible for the company’s technical investigations and digital forensics work. This role sits at the intersection of applied AI, software engineering, security data engineering, and digital forensics. You will build evidence-aware AI systems that help investigators retrieve, correlate, reason over, package, and explain evidence across complex enterprise telemetry, while preserving auditability, reproducibility, privacy, and human judgment.

You will also partner closely with investigators to convert recurring case patterns into reusable workflows, AI-assisted investigation tools, evaluation datasets, playbooks, and detection/control improvements.