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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Database Administrator - **Company:** Humankind Global Recruitment - **Location:** Madrid, Spain - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Microsoft Azure, Databases, Data Centers, Disaster Recovery, File Systems, Elasticsearch, Monitoring of Systems, Information Technology Operations, Python (Programming Language), PostgreSQL, Linux System Administration, MongoDB, MySQL, NoSQL, Open Source Technology, Oracle (Applications), Performance Tuning, Reliability Engineering, Ansible, Ruby, Scripting, System Availability, Database Optimization, Git, Containerization, Kubernetes, Infrastructure Automation Frameworks, Cassandra, Puppet, Terraform, Software Version Control, Docker - **Published:** July 13, 2026 - **Apply:** https://www.jobleads.com/es/job/e511ced26ef49216786189ba03829aacf ## About the Role We are looking for a motivated Database Administrator (Database Reliability Engineer) to join our Clients expanding IT Operations team. The successful candidate will be part of a large global multi-international organization working with an array of NoSQL database platforms and applications. You will own the end-to-end lifecycle of NoSQL database instances., * 2+ years of experience in IT operations, site reliability, database administration, or a related engineering role. * Solid understanding of NoSQL databases (e.g., Cassandra, Elasticsearch, MongoDB) - 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 (MySQL, PostgreSQL, 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 NoSQL databases is a plus. * Able to communicate fluently in written and spoken English. ## Description * Lifecycle Management: Own the full lifecycle of NoSQL 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 NoSQL 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 NoSQL 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 standards. * Collaboration: Work closely with SREs, platform engineers, application teams, and business stakeholders to understand requirements and deliver reliable database services. ## Related Videos - [Database Magic behind 40 Million operations/s](https://www.wearedevelopers.com/videos/748-database-magic-behind-40-million-operations-s) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Coffee with Developers: David Heinemeier Hansson](https://www.wearedevelopers.com/videos/875-coffee-with-developers-david-heinemeier-hansson) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Tomorrow's cloud data platforms - fully managed database-as-a-service (DBaaS)](https://www.wearedevelopers.com/videos/254-tomorrow-s-cloud-data-platforms-fully-managed-database-as-a-service-dbaas) - [How building an industry DBMS differs from building a research one](https://www.wearedevelopers.com/videos/768-how-building-an-industry-dbms-differs-from-building-a-research-one) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [The Best Job Search Websites of 2025](https://www.wearedevelopers.com/magazine/368-the-best-job-search-websites-of-2025) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)