We are looking for a motivatedDatabase Administrator (Database Reliability Engineer)to join our Clients expanding IT Operations team. The successful candidate will be part of a large integral multi-international organization working with an array of No SQL database platforms and applications. You will own the end-to-end lifecycle of No SQL database instances.ResponsibilitiesLifecycle Management:Own the full lifecycle of No SQL database instances, including provisioning, configuration, upgrades, monitoring, performance tuning, and decommissioning.Provisioning & Deployment:Use Infrastructure-as-Code tools (Terraform, Ansible, Puppet) to provision and manage No SQL clusters in a mixture of containerized (Docker/Kubernetes) and non-containerized environments.Monitoring & Observability:Implement and maintain monitoring dashboards, alerting, and health checks for distributed No SQL clusters to enable proactive incident detection and resolution.Performance Engineering:Profile server resource usage, analyze query and cluster-level performance, identify bottlenecks, and implement data models, indexing strategies, and configuration changes to optimize throughput and latency.Capacity Planning:Plan and model resource requirements based on usage trends, and recommend right-sizing or scaling actions to prevent capacity-related incidents.Incident & Change Management:Follow established change management processes, participate in on‑call rotations,



and contribute to post‑incident reviews to drive long‑term reliability improvements.Cross-Data Centre Replication:Support replication and fail‑over configurations across data centres to ensure high availability and disaster recovery.Automation:Develop and maintain automation scripts (Shell, Python) and tooling to reduce manual operational overhead and improve consistency.Documentation:Prepare clear, well‑structured documentation covering database architecture, runbooks, procedures, and operational llaboration:Work closely with SREs, platform engineers, application teams, and business stakeholders to understand requirements and deliver reliable database services.Requirements2+ years of experience in IT operations, site reliability, database administration, or a related engineering role.Solid understanding of No SQL databases (e.G., Cassandra, Elasticsearch, Mongo DB) — hands‑on experience with at least one of these is expected.Strong Linux administration skills and comfort working in shell‑based environments.Experience with Infrastructure-as-Code and configuration management tools (Terraform, Ansible, Puppet).Proficiency in scripting languages (Shell, Python, or Ruby).Familiarity with Docker and/or Kubernetes for containerized database deployments.Basic knowledge of SQL databases (My SQL, Postgre SQL, Oracle, etc.) is a plus.Experience with Git and working in an open‑source version control workflow.Working knowledge of *nix system tuning (kernel parameters, filesystem, memory, CPU) is a plus.Strong interpersonal skills, the ability to work in a team, and a proactive problem‑solving mindset.Up‑to‑date knowledge of database reliability best practices and industry standards.Ability to plan and model resource requirements from high‑level specifications.Training or certifications in cloud platforms (AWS/Azure/GCP) or No SQL databases is a plus.Able to communicate fluently in written and spoken English.

📌 Database Administrator (Madrid)
🏢 Humankind Global Recruitment
📍 Madrid