Principal Engineer - Cloudforce One
Core
Architecting and building large-scale distributed systems for threat detection, abuse response, and threat intelligence on Cloudflare's global network.
Role type
Principal Engineer (Security/Threat Operations)
Builds
Threat intelligence platforms, abuse detection systems, and agentic AI workflows for automated threat hunting.
Domain
Cybersecurity, Threat Intelligence, Distributed Systems
Deliverable
production ML models | product features | infrastructure
Required skills
distributed systems architecture, threat intelligence, adversarial analysis, Go, TypeScript, Kubernetes, edge computing, data pipeline design, SQL databases, caching layers, AI-assisted development
Preferred skills
Trust & Safety domain expertise, detection rule writing (YARA/Snort), adversary TTP analysis, Rust, Terraform, React, web security standards (DNS, TLS, HTTP)
Responsibilities
Drive architectural direction and technical strategy across engineering services; identify and dismantle technical bottlenecks and architectural debt; design and build critical data pipelines for threat intelligence; serve as a technical force multiplier across multiple projects; bring a threat-informed perspective to engineering decisions; collaborate with researchers and analysts to translate security requirements; mentor engineering talent; develop agentic AI workflows; own operational excellence and incident response.
Seniority
Principal, hands-on IC with strategic scope
