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Senior Product Security Engineer

Cloudflare· Security
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Hybrid (Austin, US / London, UK)Full-timePosted 2mo ago

About the role

Senior role focused on leading security assessments, vulnerability operations, and AI-driven tooling for Cloudflare’s core software products. Combines product security, vulnerability management, and internal AI tooling to automate triage and enhance security across distributed systems.

Responsibilities

  • Autonomously Drive AI Security Innovation: Proactively identify gaps in our current capabilities and independently architect, build, and deploy AI-driven solutions to automate code analysis, optimize triage, and scale Product Security workflows.
  • Security Architecture & Threat Modeling: Lead deep-dive security reviews and complex threat modeling sessions across distributed systems, embedding strict security requirements into product designs before development begins.
  • Product-Focused Vulnerability Management: Own the lifecycle of product security findings. Ensure vulnerabilities are accurately triaged, mapped to the correct engineering owner, and mitigated in alignment with established SLAs.
  • Bug Bounty Leadership: Oversee the technical triage and validation of Cloudflare’s external Bug Bounty program, prioritizing submissions based on real-world exploitability and business risk.
  • Pentest Strategy & Support: Shape the scope of internal and external penetration testing engagements, serving as the technical liaison to ensure findings are deeply understood and remediated by development teams.
  • Strategic Influence & Mentorship: Act as a force-multiplier for security across Cloudflare; mentor junior engineers, cultivate security champions within engineering organizations, and establish modern, paved-road developer guardrails.

Qualifications

  • Senior-Level Product/AppSec Expertise: Extensive, battle-tested experience in Product or Application Security within large-scale distributed cloud environments or SaaS platforms.
  • Practical AI & Automation Engineering: Demonstrated ability to build production-grade automation scripts and tools. Must possess hands-on engineering experience leveraging AI/LLMs to solve operational or technical challenges.
  • Advanced Threat Modeling & Risk Analysis: Mastery of threat modeling methodologies (e.g., STRIDE) and an analytical mindset capable of translating complex theoretical risks into prioritized, actionable business context.
  • Vulnerability Lifecycle Ownership: Proven track record of managing, routing, and driving the remediation of vulnerabilities across multi-stakeholder engineering organizations while strictly enforcing SLAs.
  • High Influence & Communication: Superb cross-functional leadership skills; the ability to confidently influence senior engineering leaders, resolve ownership ambiguity, and champion security initiatives without explicit authority.

Skills

Required:AI/LLM automation for security workflowsThreat modeling (STRIDE)

Benefits

  • Health & Welfare Benefits: Medical/Rx Insurance, Dental Insurance, Vision Insurance, Flexible Spending Accounts, Commuter Spending Accounts, Fertility & Family Forming Benefits, On-demand mental health support and Employee Assistance Program, Global Travel Medical Insurance
  • Financial Benefits: Short and Long Term Disability Insurance, Life & Accident Insurance, 401(k) Retirement Savings Plan, Employee Stock Participation Plan
  • Time Off: Flexible paid time off covering vacation and sick leave, Leave programs including parental, pregnancy health, medical, and bereavement leave
Last updated Sep 2, 2026. Interested? Apply on the company site.

About Cloudflare

Connect, protect, and build everywhere | Cloudflare

Make employees, applications and networks faster and more secure everywhere, while reducing complexity and cost.

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