Site Reliability Engineer (f/m/d)

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.

We are a growing company with more than 400 employees and offices in Logroño, Madrid, Barcelona, Seville, Bilbao and Valencia.

Since August 2013, we have been part of the IONOS Group, Europe's leading digitalisation partner for small and medium-sized companies.

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...

We are looking for a Site Reliability Engineer (SRE) in the IONOS Applications team

Tasks

• Contribute to the evolution of product infrastructure, integrating new services and applications into our cloud and Kubernetes environment.
• Ensure the stable and secure operation of our platforms.
• Perform in-depth analysis and optimization of distributed and highly scalable environments.
• Drive automation using tools such as Terraform, GitLab CI/CD, and ArgoCD, managing infrastructure declaratively and reproducibly.
• Analyze and resolve complex issues in distributed systems, contributing to the continuous improvement of the platform.
• Develop and maintain monitoring, logging, and alerting solutions (e.g., Prometheus, Grafana, ELK Stack) to proactively detect bottlenecks and sources of error.
• Participate in on-call rotations, one week every 4 to 5 weeks.
• Collaborate with product development teams to organize joint projects.
• Manage incidents end-to-end: initial analysis, ticket creation, resolution, and follow-up through Problem Management.
• Have access to up to one day per week for learning and continuous training.

Expectations

• Several years of experience as an SRE or in similar roles (Linux System Administrator, DevOps Engineer, Platform Engineer, Full Stack Developer).
• Advanced expertise in Linux, container technologies, and especially Kubernetes.
• Experience with Infrastructure as Code (preferably Terraform), CI/CD pipelines (GitLab CI/CD, GitHub Actions), and Helm charts.
• Proficiency in at least one programming or scripting language (Go, Python, Bash) for automation and monitoring tasks.
• Experience in operating and troubleshooting high-availability production environments.
• Knowledge of monitoring, alerting, and log analysis for distributed applications (Prometheus, Grafana, FluentD, ELK, VictoriaMetrics, Icinga).
• A proactive, solution-oriented, and independent working style, with the ability to systematically analyze and sustainably resolve technical problems.
• Good command of English (spoken and written).

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.