As a Product Security Engineer, you will support security assessments and vulnerability operations for Cloudflare’s core software products. You will analyze system architecture, threat model new features, and ensure that product‑related security findings are accurately triaged, routed to the correct engineering owners, and mitigated within our SLAs. On any given day you might conduct a deep‑dive security review on a new feature design, triage a complex bug bounty submission, or work directly with engineering teams to resolve vulnerabilities from bug bounties, SAST, fuzzing and penetration tests. You will also work autonomously to identify areas where our manual processes slow down, writing code and integrating AI/LLM solutions to automate initial triage and data enrichment, building tools that help the team handle security findings at scale.
Responsibilities
- Conduct deep‑dive security reviews on new feature designs.
- Triage complex bug bounty submissions.
- Work directly with engineering teams to resolve vulnerabilities from bug bounties, SAST, fuzzing, and penetration tests.
- Identify manual process bottlenecks and write code to automate triage and data enrichment using AI/LLM solutions.
- Build tools that enable the team to handle security findings at scale.
- Implement AI Security Solutions: identify process bottlenecks and build AI‑driven tools or scripts to automate code analysis, optimize triage, and streamline Product Security workflows.
- Conduct structured security reviews and threat‑modeling sessions (e.g., STRIDE) across product features, defining security requirements early in the development lifecycle.
- Manage the operational lifecycle of product security findings, ensuring vulnerabilities are verified, mapped to the correct engineering owner, and tracked to mitigation in alignment with established SLAs.
- Perform technical triage and validation of Cloudflare’s external Bug Bounty submissions, verifying exploitability and evaluating business risk.
- Support internal and external penetration‑testing engagements by reviewing findings, clarifying technical context, and assisting development teams with remediation strategies.
- Partner closely with DevOps and product teams, acting as a reliable security point of contact and helping developers implement secure coding practices.
Requirements
- 5+ years of experience in Product or Application Security within large‑scale distributed cloud environments or SaaS platforms.
- Demonstrated ability to build production‑grade automation scripts and tools, with hands‑on engineering experience leveraging AI/LLMs to solve operational or technical challenges.
- Competency in threat‑modeling methodologies and the ability to evaluate code flaws to determine their actual engineering and security impact.
- Experience tracking, routing, and driving remediation of software vulnerabilities across engineering groups while working against defined SLAs.
- Ability to collaborate effectively across teams, clearly communicating technical security risks to software engineers and resolving ownership ambiguity constructively.
Nice to have
- Familiarity with modern exploitation techniques, fuzzing frameworks, or automated scanning utilities.
- Experience scaling crowdsourced security programs (e.g., HackerOne, Bugcrowd) or optimizing agile project management workflows within JIRA.
- Experience integrating hardware security features into production code bases.
Benefits
- Equal opportunity employer committed to diversity and inclusion.
- Provides reasonable accommodations for qualified individuals with disabilities.
- Opportunity to work on mission‑driven projects that protect a free and open Internet.
Additional details
- Company mission: help build a better Internet with one of the world’s largest networks powering millions of sites, ranging from individual bloggers to Fortune 500 companies.
- Culture emphasizes builders, AI‑native curiosity, iteration, and sharing improvements across the team.
- Location: Bengaluru, India.
- Applicants who progress to the offer stage may be required to attend an in‑person interview at a Cloudflare office or hub.
- The position may require access to information protected under U.S. export control laws; employment may be conditioned on authorization to receive controlled software or technology without sponsorship for an export license.
- Project Galileo protects journalism and civil‑society organizations; Athenian Project supports state and local government election websites; 1.1.1.1 is a free, privacy‑centric public DNS resolver.
- Contact for accommodation requests: hr@cloudflare.com or mail to 101 Townsend St., San Francisco, CA 94107.
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