Specialist System Administrator Linux

• Platform Management: Build, maintain, and optimize large-scale Linux platforms and Ceph storage clusters.
• 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.
• Knowledge Transfer: Collaborate with colleagues in Cologne (Germany) to absorb institutional knowledge of legacy systems and document critical processes.
• Continuous Improvement: Identify performance bottlenecks and propose/implement proactive improvements to the existing architecture., * We offer personalised career plans, annual performance evaluations and programmes to develop skills.
• We operate in Spanish and English and therefore provide unlimited language training. We work on international projects and define best practices with United Internet partners.
• We have flexible start and finish times, respecting a schedule of meetings in the central part of the morning and a range of work from 7 a.m. to 9 p.m. with a hybrid model in one of our offices (Alcobendas, Valencia, Barcelona, Seville or Logroño).

Do you have experience in Terraform?, * Experience: Minimum of 3 years in Linux systems administration, with at least 1-2 years in team leadership or technical management roles.

• Storage: Proven experience operating Ceph clusters.
• Automation & Configuration: Strong command of configuration management tools (Puppet, Saltstack) and orchestration tools (Ansible, Terraform).
• Scripting: Advanced proficiency in BASH and Python.
• Cloud & Virtualization: Hands-on experience with OpenStack.
• Observability: Proficiency with monitoring tools such as Prometheus and Grafana.