Staff DevOps Engineer | SRE | Cloud Infrastructure Specialist

I’m a Staff DevOps Engineer & Site Reliability Engineer with 20+ years of experience building and maintaining resilient cloud infrastructure. My expertise spans GCP and AWS, with a strong focus on automation, observability, and security. I thrive in high-demand environments, designing scalable architectures and driving operational excellence across multicultural teams.

• 🚀 Specialized in Kubernetes, Terraform, Helm, and DevSecOps
• 🔧 Passionate about troubleshooting, system integration, and performance optimization
• 🌍 Based in Rio de Janeiro, Brazil | Fluent in Spanish, Portuguese, and English

Cloud: AWS | GCP
Containers & Orchestration: Docker | Kubernetes | Helm
IaC: Terraform | Ansible | CloudFormation
CI/CD: Jenkins | GitHub Actions | CircleCI | TravisCI | Cloud Build | Bamboo
Monitoring & Observability: Datadog | Grafana | New Relic | Zabbix | ELK | CloudWatch
Scripting & Programming: Python | Bash | Java | Ruby | Node.js | PHP

• Cyber Defense (FIAP, São Paulo, Brazil, 2025–2027)
• Network Technician (Instituto Profesional CIISA, Chile, 2009–2012)

Certifications:

• 🏅 GACE - Google Cloud Associate Cloud Engineer
• 🏅 CKA – Certified Kubernetes Administrator (Linux Foundation, 2021)
• 🏅 PCEP – Certified Entry-Level Python Programmer (Python Institute, 2021)
• 🏅 AWS Solutions Architect Associate (AWS, 2019)
• 🏅 Red Hat Certified System Administrator (RHCSA, 2012)

• Staff DevOps Engineer @ Freestar (2021–Present)

  • Lead cloud infrastructure (GCP & AWS) design, optimization, and modernization.
  • Implement scalable, secure architectures and support dev teams across QA, DEV, and PROD.
  • Drive root cause analysis and system stability initiatives.

• Senior DevOps Engineer @ JAMES Delivery & EBANX (2019–2020)

  • Spearheaded cloud migrations and DevOps culture transformation.
  • Ensured high availability for PCI-compliant payment gateway systems.

• Linux Specialist & SysAdmin @ Global Hitss / Essilor / Safran Morpho (2013–2019)

  • Delivered multilingual support and DevOps automation for major clients.
  • Managed critical systems for telecom, retail, and biometric ID platforms.

• Cloud Infrastructure Modernization @ Freestar
  Refactored legacy systems into cloud-native, resilient architectures on AWS and GCP.
• PCI-Compliant Payment Gateway @ EBANX
  Designed and maintained secure, high-availability payment systems at scale.
• DevOps Culture Transformation @ JAMES Delivery
  Implemented company-wide CI/CD pipelines and observability practices.

• 📧 horacio.leon@gmail.com
• 🌐 LinkedIn
• 🌍 Based in Rio de Janeiro, Brazil

💡 “Focused on building secure, scalable, and reliable systems — always learning, always improving.”