Systems Engineer, Security Analytics & Observability

Cloudflare, Inc.; New York (NY); On-site; USD 150,000 - 206,000; Full time

Job summary

Cloudflare seeks a Systems Engineer to join the UEBA team in New York. You will build and operate production services that analyze user and entity behavior signals and help translate detections into actionable investigations.

You will own projects from design through rollout, collaborating with Product and security engineers to improve risk scoring and customer-facing workflows. The role requires 3+ years in backend/distributed systems and Go/Rust/C/C++ proficiency along with PostgreSQL or

Qualifications

• 3+ years of professional experience building, testing, and operating backend or distributed systems in production.
• Proficiency in at least one systems programming language (Go, Rust, C/C++) with clean code.
• 3+ years of practical experience with databases and data-intensive services (PostgreSQL, ClickHouse).
• Experience with event-driven systems and reliable deployment of services.
• Strong written and verbal communication; ability to collaborate with product and engineering partners.
• Experience using metrics, logs, traces, profiling to understand production behavior.

Responsibilities

• Build behavioral detections and production-ready signals across multiple data sources.
• Make detection output understandable by linking to event history and investigations.
• Design, deploy, and maintain robust distributed infrastructure with high availability.
• Collaborate with Product and engineers across Access, Gateway, Analytics, Logs, and data teams.
• Ensure reliability through architecture reviews, capacity planning, and proactive monitoring.

Skills

Systems programming

Distributed systems

Databases

Event-driven

Communication

Observability

Tools

PostgreSQL

ClickHouse

Kafka

Kubernetes

Job description

Cloudflare seeks a Systems Engineer to join the UEBA team in New York. You will build and operate production services that analyze user and entity behavior signals and help translate detections into actionable investigations.

You will own projects from design through rollout, collaborating with Product and security engineers to improve risk scoring and customer-facing workflows. The role requires 3+ years in backend/distributed systems and Go/Rust/C/C++ proficiency along with PostgreSQL or