CloudLinux is a integral remote-first company. We are driven by our principles: do the right thing, employees first, we are remote first, and we deliver high-volume, low-cost Linux infrastructure and security products that help companies to increase the efficiency of their operations. Every person on our team supports each other and does what we can to ensure we all are successful.

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Check out our website for more information Security Suite is a product of CloudLinux Inc., the maker of the #1 OS in security and stability for hosting providers. Imunify is an innovative security solution designed specifically for shared and VPS/Dedicated servers. The automated, easy-to-use solution with the six-layer approach to security delivers comprehensive and complete attack prevention.

The mission

We protect web hosting providers and the sites running on their infrastructure through a defense-in-depth stack: web-server-layer WAF,



runtime application self-protection for PHP, deep application integrations (WordPress plugins and similar), a malware scanner with cleanup capability, and network-layer firewalls and IP reputation. The pieces talk to each other, and the threat intelligence they generate at scale powers detection across the stack.

Node.js is the segment of the hosting market growing fastest, and the next layer we want to build for it is runtime protection inside the Node.js process itself. Most Node.js workloads on managed hosting today are AI-generated web apps deployed by non-technical owners who can't, won't, and shouldn't be expected to patch their own code or audit their own dependencies. We're going to defend those apps anyway — at runtime, without their cooperation, without breaking them.

You'll build that runtime protection layer end-to-end.

What you'll own
- The product. A brand-new product line

📌 Security Engineer (Madrid)
🏢 CloudLinux
📍 Madrid