Cloudflare
System Engineer, Behavioral Analysis
$136K–$206K
Hybrid +3 · Full-time · Posted Sep 30, 2026
- Location
- Hybrid
Austin, TX, United States
New York, New York, United States
Seattle, WA - Experience
- 3+ years building, testing, and operating backend or distributed systems; 3+ years of practical database and data-intensive services experience.
- Visa sponsorship
- An offer may be conditioned on authorization to receive technology controlled under U.S. export laws without sponsorship for an export license.
About the job
Build and operate production systems that analyze Cloudflare One signals, detect unusual behavior, maintain user-risk scores, and help customers investigate security events.
What you'll do
- Develop and assess behavioral detections using product telemetry, and connect their output to risk histories and customer investigations.
- Design, deploy, and maintain scalable, reliable distributed services.
- Coordinate event contracts and end-to-end functionality with Product and partner engineering teams; support operational reliability.
What they ask for
- 3+ years building, testing, and operating backend or distributed systems in production.
- Strong proficiency in at least one systems programming language, such as Go, Rust, or C/C++.
- 3+ years of practical experience with databases and data-intensive services.
- Experience with event-driven systems and production observability using metrics, logs, traces, profiling, or experiments.
Nice to have
- Experience in security analytics, fraud or abuse detection, identity, Zero Trust, SASE, or network telemetry.
- Familiarity with Kafka or other streaming systems, Kubernetes, anomaly detection, or high-volume event processing.
Pay
$150,000 - $206,000 USD base salary (New York and Seattle); $136,000 - $187,000 USD base salary (Austin Texas)
Tools
Go, Rust, C/C++, PostgreSQL, ClickHouse, Kafka, Kubernetes
AI focus
The posting describes the company’s AI-native culture and AI as a problem-solving partner, but does not specify AI work for this role.
Model-written summary · the original posting is authoritative