Position Summary: We are seeking a Linux Administrator to manage and maintain Linux systems and Open Source environments, ensuring availability and security. Key Responsibilities: 1. Linux and Open Source systems administration and maintenance 2. Configuration, optimization, and support of critical services 3. Incident resolution and infrastructure monitoring At Seidor Gesein, we are looking to hire a Linux Administrator for a project in Madrid. This is a key role within a Linux and Open Source operating systems administration service. Responsibilities * Administration and maintenance of Linux systems and Open Source environments. * Configuration, optimization, and support of servers and critical services. * Incident resolution and infrastructure monitoring. * Collaboration with technical teams to ensure system availability and security. Requirements * Advanced knowledge of Linux and Open Source operating systems. * Prior experience in systems administration within enterprise environments. * RHCSA (Red Hat Certified System Administrator) certification is a plus. Benefits * Permanent full-time contract. * Location: Madrid. * 100% on-site. * Salary: up to 45.000€ depending on qualifications and experience. If you are a professional with experience in Linux and Open Source and wish to participate in a highly relevant project in Madrid, this is your opportunity.