Resume


Site Reliability Engineer

Alfredo Ruiz

Site Reliability Engineer
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Summary

Site Reliability Engineer with 10+ years operating and scaling enterprise Linux and cloud-native environments, including deep expertise in Kubernetes and Red Hat OpenShift on Azure. Proven track record ensuring high availability of production infrastructure, leading cloud migrations, and driving reliability and automation initiatives across distributed global teams.

Experience

Site Reliability Engineer · Amadeus
Oct 2022 – Oct 2025 · Miami, FL
  • Engineered and operated multiple Red Hat OpenShift Kubernetes PaaS environments on Microsoft Azure, ensuring high availability for mission-critical airline production workloads.
  • Led on-premises to cloud application migrations, coordinating cross-functional teams and minimizing disruption through rigorous runbooks and change management.
  • Drove observability improvements integrating Prometheus, Grafana, and Splunk for real-time monitoring and alerting across distributed environments.
  • Optimized cloud infrastructure spend through workload right-sizing, achieving approximately $70K in annual cost savings while maintaining performance SLAs.
  • Mentored a distributed international team on OpenShift SRE practices, expanding global support coverage and improving operational resilience.
System Engineer · Amadeus
Oct 2014 – Oct 2022 · Miami, FL
  • Triaged and resolved complex incidents in airline IT infrastructure, managing high-priority escalations with full root cause analysis and post-mortem documentation.
  • Built a Python-based automation tool to analyze software load failures, surfacing recurring error patterns and enabling targeted remediation.
  • Designed incident and problem ticket tracking dashboards, eliminating hundreds of recurring issues and improving customer-facing uptime.
System Engineer · Mariner Systems
Sep 2011 – Sep 2014 · Miami, FL
  • Managed enterprise 24/7 operations including system recovery, performance troubleshooting, and monitoring for clients including Coca-Cola, AmerisourceBergen, and Dole.
  • Directed a project to mass-produce reimaging USB tools for 800+ units, enabling in-field recovery and eliminating costly equipment returns.
  • Administered in-house networking, web hosting, and digital advertising infrastructure for high-uptime client environments.

Skills

Cloud & Infrastructure

Kubernetes Red Hat OpenShift Microsoft Azure AWS Docker Terraform Ansible Linux MS Hyper-V Apache

Observability & CI/CD

Prometheus Grafana Splunk Jenkins GitHub Actions

Languages & Tooling

Python SQL Jsonnet HTML CSS PHP Jira

Certifications

Certified Kubernetes Administrator (CKA) Azure Fundamentals (AZ-900) AWS Cloud Practitioner ITIL Foundations

Education

B.S., Information Technology · Florida International University
Miami, FL