Security Engineer, Applied Research & Labs

Cloudflare•Austin, TX

8h•Onsite

About The Position

Cloudflare is seeking a Security Engineer to design and build agentic security tooling for Cloudflare Security, and to release that work as open-source reference implementations, interactive labs, and technical workshops for customers and partners. This role sits in the Applied Research & Labs function within the Office of the CSO. You will work embedded with Cloudflare's security teams, build on Cloudflare's Developer Platform, and represent the team's security & engineering work externally.

Requirements

4+ years in software engineering, shipping and operating production systems
Demonstrated experience building interactive labs, hands-on learning platforms, or developer training environments, including the infrastructure behind them
Strong design judgment for technical learning experiences, including scope, sequencing, and knowing what to leave out
Proficiency in TypeScript, Python, or a comparable language, with production experience in distributed or event-driven systems
Hands-on experience building LLM-based systems, including agent orchestration, tool use, context engineering, and evaluation
Experience with Cloudflare Workers, Durable Objects, Workflows, Workers AI, AI Gateway, and Vectorize, or an equivalent serverless stack
Working knowledge of application and infrastructure security, including common vulnerability classes and secure development practices
Published technical writing, conference talks, or open-source contributions

Nice To Haves

Hands-on security background in any domain
Experience with the Cloudflare Agents SDK
Experience with developer education, technical certification programs, or developer relations
Maintainer or significant contributor to an open-source security or developer tooling project
Experience speaking at security or developer conferences

Responsibilities

Design and build agentic security workflows and tooling for Cloudflare Security, including multi-agent orchestration, tool integration, and evaluation harnesses
Release internal harnesses, skill definitions, and orchestration workflows as documented open-source reference implementations
Implement on Cloudflare Workers, Durable Objects, Workflows, Workers AI, AI Gateway, and the Agents SDK
Define the technical scope and sequencing of each lab, including the failure modes participants will hit and the scaffolding they need
Build and operate the lab infrastructure: per-participant isolation, automated provisioning, state reset, and teardown
Run hands-on workshops where customers and partners build and deploy the tooling themselves
Document and package workshop formats so other Cloudflare engineers can deliver them
Present Cloudflare's agentic security architecture through customer briefings and conference talks
Author technical deep dives and architecture write-ups that establish Cloudflare Security as a recognized voice in the security community
Partner with Product and Engineering to align external technical content with the roadmap