Specialist System Administrator Linux

<div class="content-intro"><p>We offer you the opportunity to join the leading Spanish company in the IT sector, with more than 25 years of experience and one of the most solid track records as a provider of technological solutions for companies.</p> <p>We are a growing company with more than 400 employees and offices in Logroño, Madrid, Barcelona, Seville, Bilbao and Valencia.</p> <p>Since August 2013, we have been part of the IONOS Group, Europe's leading digitalisation partner for small and medium-sized companies.</p> <p>In short, we are a multicultural team that’s passionate about technology, bringing our professional experience from over a dozen countries: Germany, Argentina, Spain, the United States, France, the Philippines, Italy, Poland, Portugal, the United Kingdom, Romania...</p></div><p>We are looking for an <strong>Specialist System Administrator Linux</strong> for the <span data-sheets-root="1">Hosting Technology</span> team: </p> <h4>Key responsibilities</h4> <h4> </h4> <ul> <li> <p data-path-to-node="9,0,0">Platform Management: Build, maintain, and optimize large-scale Linux platforms and Ceph storage clusters.</p> </li> <li> <p data-path-to-node="9,2,0">Continuity & Support: Provide Level 3 support, working closely with Level 2 teams and participating in on-call rotations (approx. 1 week every 6) after an initial adaptation period.</p> </li> <li> <p data-path-to-node="9,3,0">Knowledge Transfer: Collaborate with colleagues in Cologne (Germany) to absorb institutional knowledge of legacy systems and document critical processes.</p> </li> <li> <p data-path-to-node="9,4,0">Continuous Improvement: Identify performance bottlenecks and propose/implement proactive improvements to the existing architecture.</p> </li> </ul> <h4> </h4> <h4>What we'd like to see</h4> <ul> <li>Experience: Minimum of 3 years in Linux systems administration, with at least 1-2 years in team leadership or technical management roles.</li> <li>Storage: Proven experience operating Ceph clusters.</li> <li>Automation & Configuration: Strong command of configuration management tools (Puppet, Saltstack) and orchestration tools (Ansible, Terraform).</li> <li>Scripting: Advanced proficiency in BASH and Python.</li> <li>Cloud & Virtualization: Hands-on experience with OpenStack.</li> <li>Observability: Proficiency with monitoring tools such as Prometheus and Grafana.</li> </ul> <h4>Expectations</h4> <ul> <li>Being part of a multidisciplinary team passionate about technology, with an ope