Senior Linux Platform Engineer – Complex Systems & Incident Resolution

Arsys

We are looking for a Sr. Strecth Operations Manager to build a new team:  KEY RESPONSIBILITIES * Build Your Team: Lead the recruitment of 7 senior engineers to fill critical positions in Spain. * Take Technical Command: Become the subject matter expert for Linux platforms, Ceph storage, and OpenStack. * Mitigate Risks: Ensure that the Telekom migration and the stability of the Stretch platform are not compromised during the transition. * Design the Future: Establish on-call policies, operational workflows, and Infrastructure as Code (IaC) automation standards. WHAT WE'D LIKE TO SEE We are looking for a "Player-Coach" who commands the respect of engineers because you have been in the trenches yourself. * Credible Leadership: 2+ years managing technical teams and the ability to attract top-tier talent within the Spanish market. * Solid Technical Foundation: 5+ years of real-world experience in large-scale Linux systems administration. * Cloud & Storage Expert: Essential hands-on experience with Ceph and OpenStack. * Automation Master: Proficiency in Ansible, Puppet, or Terraform. * Solution-Oriented Mindset: The ability to transform chaos into scalable, well-documented systems. EXPECTATIONS * Being part of a multidisciplinary team passionate about technology, with an open and dynamic culture, where experimentation and discussion are encouraged to progress at work, always with respect and inclusion. * 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). ---------------------------------------------------------------------------------------------------------------------------------- At Arsys we value diversity and welcome all applications regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age, as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law.

Arsys

MISSION OF THE ROLE You will be part of the team responsible for operating one of the largest and most complex hosting platforms in Europe. Your mission will be to ensure the stability, performance, and evolution of the Stretch platform, working directly on critical production systems and contributing to the continuous improvement of a highly distributed infrastructure. This is a strongly technical role with hands-on impact at scale, where your work will directly influence service quality and platform evolution. You will collaborate closely with Hosting Technology teams and other web hosting teams within IONOS, with frequent interaction with international colleagues—particularly in Germany—to consolidate knowledge of existing systems.  RESPONSIBILITIES * Operation, maintenance, and evolution of large-scale Linux infrastructure. * Advanced (Level 3) support for complex platform incidents. * Automation of processes using scripting (BASH, Python) and infrastructure tools. * Operation and management of distributed storage systems (Ceph). * Monitoring and analysis of the platform using observability tools (Grafana and similar). * Continuous improvement of system architecture and stability. * Collaboration with international teams to absorb knowledge from legacy systems. * Participation in on-call rotation.  PROFESSIONAL PROFILE MUST HAVE * +3 years of experience in Linux system administration. * Strong scripting skills in BASH and Python. * Experience with configuration and automation tools: * Puppet or SaltStack * Ansible or Terraform * Hands-on experience operating Ceph storage clusters in production environments. * Experience with monitoring and observability tools such as Grafana. * Fluent English, required for international communication. NICE TO HAVE * Knowledge of SQL databases (MySQL, PostgreSQL). * Solid understanding of networking fundamentals. * Experience with container technologies (Docker/Kubernetes). * Knowledge of CI/CD pipelines. * Experience in highly distributed or high-availability environments. SOFT SKILLS * Technical curiosity and continuous learning mindset. * Ability to work in complex environments with incomplete documentation. * Pragmatic approach to problem solving. * Team player in international environments. * Proactive attitude to independently build technical context. * Participation in an on-call rotation (approx. 1 week every 6).  BENEFITS * Hybrid working model across any of the Arsys offices in Logroño, Alcobendas, Valencia, Barcelona, or Seville, with broad flexible working hours aligned with team coordination needs. * Opportunity to work on one of the most advanced and large-scale hosting platforms in Europe. * Direct exposure to highly complex distributed systems at significant scale. * International technical environment with cross-country collaboration. * Participation in critical projects with direct impact on service stability. * Continuous training and professional development within a global technology organization.   ---------------------------------------------------------------------------------------------------------------------------------- At Arsys we value diversity and welcome all applications regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age, as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law.

Arsys

MISSION OF THE ROLE You will be part of the team responsible for operating one of the largest and most complex hosting platforms in Europe. Your mission will be to ensure the stability, performance, and evolution of the Stretch platform, working directly on critical production systems and contributing to the continuous improvement of a highly distributed infrastructure. This is a strongly technical role with hands-on impact at scale, where your work will directly influence service quality and platform evolution. You will collaborate closely with Hosting Technology teams and other web hosting teams within IONOS, with frequent interaction with international colleagues—particularly in Germany—to consolidate knowledge of existing systems.  RESPONSIBILITIES * Operation, maintenance, and evolution of large-scale Linux infrastructure. * Advanced (Level 3) support for complex platform incidents. * Automation of processes using scripting (BASH, Python) and infrastructure tools. * Operation and management of distributed storage systems (Ceph). * Monitoring and analysis of the platform using observability tools (Grafana and similar). * Continuous improvement of system architecture and stability. * Collaboration with international teams to absorb knowledge from legacy systems. * Participation in on-call rotation.  PROFESSIONAL PROFILE MUST HAVE * +3 years of experience in Linux system administration. * Strong scripting skills in BASH and Python. * Experience with configuration and automation tools: * Puppet or SaltStack * Ansible or Terraform * Hands-on experience operating Ceph storage clusters in production environments. * Experience with monitoring and observability tools such as Grafana. * Fluent English, required for international communication. NICE TO HAVE * Knowledge of SQL databases (MySQL, PostgreSQL). * Solid understanding of networking fundamentals. * Experience with container technologies (Docker/Kubernetes). * Knowledge of CI/CD pipelines. * Experience in highly distributed or high-availability environments. SOFT SKILLS * Technical curiosity and continuous learning mindset. * Ability to work in complex environments with incomplete documentation. * Pragmatic approach to problem solving. * Team player in international environments. * Proactive attitude to independently build technical context. * Participation in an on-call rotation (approx. 1 week every 6).  BENEFITS * Hybrid working model across any of the Arsys offices in Logroño, Alcobendas, Valencia, Barcelona, or Seville, with broad flexible working hours aligned with team coordination needs. * Opportunity to work on one of the most advanced and large-scale hosting platforms in Europe. * Direct exposure to highly complex distributed systems at significant scale. * International technical environment with cross-country collaboration. * Participation in critical projects with direct impact on service stability. * Continuous training and professional development within a global technology organization.   ---------------------------------------------------------------------------------------------------------------------------------- At Arsys we value diversity and welcome all applications regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age, as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law.