Senior Security Engineer - Security Technology Delivery

Confirmed live in the last 24 hours

Cloudflare

Hybrid

Posted April 22, 2026

Job Description

About Us

At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company.

At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in.

Available Locations: Austin, TX

About the Department

The Security team at Cloudflare is focused and committed to helping secure both Cloudflare and our customers. The Security Technology team works closely with the teams responsible for running and maintaining our global infrastructure and enterprise. Our mission is to secure the foundations of all Cloudflare production and enterprise systems.

About the Role

We are looking for an experienced security practitioner to help us in our mission to help build a better internet. As part of our team, you will be expected to:

Work with our engineering, IT, and infrastructure teams to secure the entire Cloudflare global network and enterprise
Deploy and manage security tools that help address security risk at a global scale
Collaborate with the Compliance team to ensure adherence to standards
Ensure our global infrastructure is secure from all attacks, ranging from “script kiddies” to nation states

This role does currently require 1 day in-office a week.

Examples of desirable skills, knowledge and experience

Core Responsibilities:

Infrastructure & Tooling: Deploy and support critical infrastructure and security technologies globally.
Risk Management: Perform risk reviews and evaluations of configurations to mitigate potential threats.
Security Strategy: Secure Linux, MacOS, and Windows systems while implementing public cloud security best practices (GCP, Azure, etc.).
Operational Excellence: Lead Proof of Concepts (PoC) for new security tooling and continuously improve security systems deployed to all of Cloudflare.
Stakeholder Engagement: Build and nurture robust relationships with technical and non-technical stakeholders at all levels, translating complex situations into clear, actionable requirements.

AI Security Responsibilities:

AI Security Strategy: Support the development and implementation of security frameworks for the adoption of Artificial Intelligence and Machine Learning across the organization.
Risk Assessment: Conduct security reviews of AI models, tools, and third-party integrations to identify and mitigate emerging risks.
Governance & Compliance: Help establish and enforce guardrails for the safe use of AI technologies, ensuring alignment with corporate security policies.
Threat Mitigation: Monitor and address vulnerabilities specific to