Senior/Principal Security Engineer - Node.js Proactive Defense (remote-only)

Madrid, Community of Madrid, Spain • Posted June 20, 2026

Job Type: Full-time
Location: Madrid, Community of Madrid
Posted: June 20, 2026
Category: Computer Occupations
Application Deadline: July 30, 2026

Role Description

CloudLinux is a global 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. 

Check out our website for more information

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.

What You'll Work On

You will own the Node.js Proactive Defense initiative — a new runtime security layer for Imunify360 that brings the same in-process protection model we already ship for PHP...

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