Senior Software Engineer (Security)

Cloudflare • San Francisco, CA

13d

About The Position

Performs duties as a guide/technical SME for a specialized team of Developer and Automation Engineers. Your mission is to build the next generation of our cybersecurity defense layer using Cloudflare’s Workers platform. You will oversee the development of real-time analytical engines, Security Information and Event Management (SIEM) integrations, and User and Entity Behavior Analytics (UEBA) tools to protect our global infrastructure and to help cater to fast growing threats and vulnerabilities by providing the right data/analysis/action using automation

Requirements

• Either advanced studies in Cybersecurity, Computer Science, Information Systems, or similar
• Excellent written and verbal communication skills, including the ability to effectively collaborate with technical and senior business staff and management.
• 6+ years of experience in information security, with 3 + years focused on Devops Environment
• Expert knowledge of Cloudflare Ecosystem (Workers, WAF, Zero Trust, Pages)
• Languages Proficiency in TypeScript/JavaScript (Node.js) or Rust (optimized for Workers)
• Security Tech Experience with SIEM/SOAR tools and building UEBA logic (behavioral baselining)
• Data & Analytics Experience with analytical databases (e.g., ClickHouse, Snowflake) and visualization tools (Grafana, Tableau)
• DevOps Ops Strong CI/CD background (GitHub Actions, GitLab CI) and Infrastructure as Code (Terraform/Wrangler).
• Strong understanding of regulatory and compliance frameworks related to data protection and packaging

Nice To Haves

• Certifications: CISSP, CISM, or CCSP.
• Worked on similar organisations in the past as Cloudflare
• Prior experience building custom log-push integrations or edge-based security products.
• Background in Data Engineering or Data Science , specifically relating to security datasets.

Responsibilities

• Team Leadership: Mentor a small, agile team of engineers, fostering a culture of "Security as Code."
• Architecture & Strategy: Design and implement high-performance serverless applications on Cloudflare Workers (Workers, KV, Durable Objects, and R2) for security monitoring and remediation.
• Cybersecurity Analytics: Drive the creation of data pipelines that ingest edge logs to build comprehensive SIEM dashboards and UEBA models for anomaly detection.
• Automation: Replace manual security workflows with automated triggers, utilizing Cloudflare’s edge compute to intercept and analyze traffic in real-time.
• Dashboarding & Visibility: Build high-fidelity dashboards that provide the CISO and SOC teams with actionable insights into global threat patterns and edge performance

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed