UEBA Security Engineer — Behavioral Detections

Cloudflare, Inc.; Austin, Northern (TX, KY); Hybrid; USD 136,000 - 187,000; Full time

Job summary

Cloudflare is seeking a Systems Engineer to join the UEBA team in a role focused on building and operating production services. You will develop detections for unusual DNS activity, improve risk scoring, and enable customer-facing investigations within a scalable, reliable pipeline.

The position requires 3+ years in backend/distributed systems, strong Go/Rust/C/C++ skills, and experience with PostgreSQL or ClickHouse, plus collaboration across product teams. Austin or NY locations, on-site work.

Qualifications

• 3+ years building, testing, and operating backend or distributed systems in production.

Responsibilities

• Build behavioral detections across signals like Access, Gateway, DNS, and data protection.

Skills

Go

Rust

C/C++

Tools

PostgreSQL

ClickHouse

Job description

Cloudflare is seeking a Systems Engineer to join the UEBA team in a role focused on building and operating production services. You will develop detections for unusual DNS activity, improve risk scoring, and enable customer-facing investigations within a scalable, reliable pipeline.

The position requires 3+ years in backend/distributed systems, strong Go/Rust/C/C++ skills, and experience with PostgreSQL or ClickHouse, plus collaboration across product teams. Austin or NY locations, on-site work.