Block
Security Engineer - Network Edge Security
$185K–$327K
Bay Area, CA, United States of America +1 · Remote · Full-time · Posted Oct 15, 2026
- Location
- Bay Area, CA, United States of America
US - CA - San Francisco City - Remote - Experience
- 5+ years of software or security engineering experience.
- Education
- Bachelor's degree in Computer Science or equivalent practical experience.
About the job
Build and operate network-edge security systems that improve API security, analyze traffic, and detect and mitigate abusive patterns and emerging threats.
What you'll do
- Mitigate emerging attacks using WAF rules, bot vendors, and CDN-native technologies; build infrastructure to inventory edge security posture.
- Build and maintain near-real-time streaming analytics pipelines and applications, including production monitoring.
- Contribute to labeling and ML model development, build AI-driven traffic classification and mitigation, and integrate vendor systems.
What they ask for
- 5+ years of software or security engineering experience developing scalable production software with testing, evaluation, and monitoring.
- Bachelor's degree in Computer Science or equivalent practical experience.
- Proficiency in Java, Kotlin, TypeScript, and Python; proficiency in data analysis using SQL and Spark.
- Experience implementing and maintaining applications in CDN (Cloudflare and Fastly) and AWS ecosystems.
Nice to have
- Significant experience with bot/fraud identification and mitigation systems.
- Familiarity with Snowflake, Databricks, and Datadog.
Pay
$217,800 — $326,800 USD (base salary); $207,000 — $310,400 USD (base salary); $196,100 — $294,100 USD (base salary); $185,200 — $277,800 USD (base salary)
Tools
Java, Kotlin, TypeScript, Python, SQL, Spark, Cloudflare, Fastly
AI focus
Develop AI-driven capabilities to automatically classify and mitigate abusive traffic patterns; contribute to labeling and ML model development.
Model-written summary · the original posting is authoritative