Oscar V. Rios Collantes

Managed 300+ Unix/Linux servers, ensured SLA compliance and system stability through proactive monitoring and log analysis. Installed, upgraded, and troubleshot application servers (JBoss) and web servers (NGINX), improving JVM performance and application reliability. Deployed and monitored applications across 50+ SaaS customer environments, achieving 99.9% uptime. Drove deployment automation and configuration management using Docker, Kubernetes, Jenkins, and Argo CD, accelerating CI/CD workflows. Developed and refined runbooks for incident response, enabling consistent resolution of infrastructure and application issues. Collaborated with cross-functional teams to improve observability and optimize resource usage.

Led application health monitoring and reliability initiatives across cloud environments; implemented upgrade workflows, minimizing downtime and ensuring compliance. Conducted database and alert troubleshooting (Oracle SQL, GitHub); maintained monitoring dashboards (Grafana, Kibana, Graylog) to track system health and incident trends. Documented incident flows, RCA, and corrective actions; applied Service Intelligence initiatives across Incident, Change, and Problem Management using Hira Service Management; developed KPIs and intelligence dashboards to enhance operational visibility and efficiency.

Partnered with client teams to implement upgrades for CRM modules, minimizing downtime and improving production stability. Collaborated with client and internal teams to resolve critical production issues, consistently meeting SLA targets and improving customer satisfaction. Reduced incident volume by 70% through proactive root cause analysis and automation of Unix scripts. Engineered automated SQL reporting and monitoring scripts, reducing manual reporting effort by 40% and enhancing visibility into compliance metrics. Supported database troubleshooting across Oracle SQL and MySQL, ensuring data integrity and performance optimization. Documented workflows, incident resolutions, and upgrade procedures in Confluence, enabling knowledge transfer and reducing onboarding time.