CloudLinux is hiring a Staff Security Engineer for Imunify360 to take technical ownership of complex security challenges including malware/reverse-engineering, large-scale campaign response, detection engineering, red-teaming, and coordinated vulnerability disclosure. The role is hands-on (approx. 30–50% coding) and focused on building production detection and mitigation tooling, coordinating incident response, and mentoring across teams. Remote work with flexible hours; locations listed include Portugal, Spain, and Czechia.

CloudLinux seeks a Staff Engineer for Imunify360 to own end-to-end architecture (agent↔server↔cloud), drive ADRs/RFCs, improve engineering standards, mentor senior engineers, and spend ~30–50% time writing production code. Requires 10+ years building production software and 3+ years in staff/principal/tech-lead scope, strong Python and Go or Rust experience, deep Linux internals knowledge, and distributed systems experience. Locations listed: Czechia (Prague), Portugal (Lisbon), Spain (Madrid).

CloudLinux seeks an experienced researcher/engineer to create a new runtime protection layer for Node.js web apps. The role requires end-to-end ownership (product definition, architecture, implementation, release, and iteration), strong web application security and detection-at-scale experience, and familiarity with Node.js/JavaScript ecosystem and runtime protection concepts.