Sergio Montero Díaz

Tupl Inc. · Málaga, Andalusia, Spain

• Deploying and managing Kubernetes clusters, using Helm for package management and GitOps (Flux) to automate and standardize the application lifecycle.
• Maintaining the observability stack (Prometheus, Grafana, Loki, Alertmanager) for proactive monitoring, log centralization, and incident diagnosis across the platform.
• Contributing to continuous platform improvement, identifying and resolving operational bottlenecks.
• Conducting security reviews of images and deployments, applying patches and remediations for detected vulnerabilities.
• Resolving production incidents, collaborating with the team to minimize impact and document root causes.

Data Control Tecnologías de la Información, S.A. · Málaga, Spain · Remote

• Supported the administration and maintenance of systems and servers, assisting with configuration tasks and incident resolution.
• Installed and managed EDR (Endpoint Detection and Response) solutions on client systems.
• Supported network infrastructure and operating systems management in a remote work environment.

BIASSION SL · Málaga, Andalusia, Spain

• Preventive equipment maintenance and technical analysis to anticipate and prevent issues.
• Configuration and administration of virtualized environments and network devices.
• Setup of monitoring systems, backup management, and remote and on-site technical support.
• Resolved technical support incidents, diagnosing and troubleshooting hardware and software issues.