CloudLinux is a integral remote‑first company 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.

Imunify360 Security Suite
Imunify360 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 a six‑layer approach to security delivers comprehensive and complete attack prevention.

Check out our website for more information about our Imunify360 Product: https://www.imunify360.com/

We are building an engineering‑heavy security platform for protecting WordPress and its plugin ecosystem. The core challenge is turning real attacker behavior into automated, repeatable systems that scale.

We are looking for a





Senior Security Engineer

who understands exploitation deeply but prefers building tooling and automation over one‑off research. You will work on systems that:

Automatically generate and validate exploit PoCs for known WordPress / PHP CVEs

Analyze PHP execution traces from real zero‑day attacks against WordPress installations

LLMs are a first‑class component of this work—not a novelty—used to accelerate exploit reconstruction, PoC generation, and attack workflow automation.

This is an

engineering role with offensive depth , not a traditional pentesting or red‑team position.

What You’ll Build

Systems to ingest, normalize, and analyze PHP execution traces:

Function calls, parameters, control flow, side effects

No native binary reversing—focus is PHP‑level execution and logic

Tooling that infers:

Vulnerable code paths

Authorization and logic flaws

Nonce and state‑handling weaknesses

Automated p

📌 Senior Security Engineer (Madrid)
🏢 CloudLinux
📍 Madrid