Senior DevOps Engineer | SRE | Platform Engineer

Rousseau Braga

DevOps and reliability engineer with 20+ years in IT and 10+ years focused on cloud infrastructure, automation, platform engineering, and enterprise reliability.

20+ Years in IT
10+ Years in DevOps/SRE
Platform Engineering
Cloud & Automation Infrastructure

Professional Summary

Reliable platforms, automated infrastructure, and stronger delivery practices.

Senior DevOps Engineer and Site Reliability Engineer with over 20 years of experience in Information Technology and more than 10 years focused on DevOps, Platform Engineering, Cloud Infrastructure, Automation, and Reliability.

Strong experience designing, automating, and operating enterprise platforms using Kubernetes, OpenShift, Terraform, Ansible, GitOps, and CI/CD practices. Proven track record supporting mission-critical environments, improving platform reliability, automating infrastructure provisioning, and enabling development teams through modern DevOps methodologies.

Experienced in cloud technologies, infrastructure automation, container platforms, security best practices, and operational excellence.

Technical Skills

Hands-on experience across cloud, containers, automation, security, and observability.

Cloud & Infrastructure

  • AWS
  • Azure
  • VMware vSphere
  • Terraform
  • Infrastructure as Code

Containers & Orchestration

  • Kubernetes
  • OpenShift
  • Rancher
  • Docker
  • Podman
  • Helm

DevOps & CI/CD

  • GitLab CI/CD
  • Jenkins
  • Bamboo
  • GitHub Actions
  • ArgoCD
  • GitOps

Automation & Scripting

  • Ansible
  • AWX
  • Python
  • Bash
  • Shell Scripting

Security & Identity

  • HashiCorp Vault
  • Keycloak
  • Red Hat Build of Keycloak
  • RBAC
  • TLS / PKI

Monitoring & Observability

  • ELK Stack
  • Zabbix
  • Prometheus
  • Grafana

Operating Systems

  • Red Hat Enterprise Linux
  • Ubuntu
  • Windows Server

Professional Experience

Enterprise platforms, mission-critical operations, and cloud-native delivery.

February 2017 - Present

Tribunal de Justiça do Estado de Rondônia

DevOps Engineer / Site Reliability Engineer

  • Design, deploy, and maintain Kubernetes and OpenShift platforms for enterprise workloads.
  • Implement GitOps workflows using ArgoCD to automate application deployments.
  • Automate infrastructure provisioning and configuration management using Terraform and Ansible.
  • Build and maintain CI/CD pipelines supporting development and operations teams.
  • Implement and manage secrets management solutions using HashiCorp Vault.
  • Support mission-critical judicial systems with high availability and reliability requirements.
  • Lead and mentor SRE engineers in platform operations, automation, and reliability practices.
  • Improve deployment efficiency, platform stability, and operational processes.

Kubernetes, OpenShift, Terraform, Ansible, ArgoCD, GitLab CI/CD, Vault, Linux, Rancher

August 2021 - July 2022

Webera (USA)

DevOps Engineer / SRE

  • Supported Kubernetes environments running on AWS and GCP.
  • Implemented Infrastructure as Code using Terraform.
  • Built and maintained CI/CD workflows using GitHub Actions.
  • Assisted development teams with cloud-native deployments and platform operations.
  • Performed infrastructure automation and operational support activities.

AWS, GCP, Kubernetes, Terraform, GitHub Actions, Docker

December 2014 - January 2017

Tribunal de Contas do Estado de Rondônia

DevOps Engineer

  • Implemented Infrastructure as Code and automation practices.
  • Built CI/CD pipelines using Bamboo, Git, and automation tools.
  • Introduced Docker-based deployment processes.
  • Improved software delivery speed and deployment consistency.
  • Integrated SonarQube into the development lifecycle to improve code quality.

Docker, Bamboo, Git, Linux, SonarQube

1992 - 2014

Previous Experience

System Administrator | IT Manager | Technology Director | IT Consultant

  • Linux and Windows administration.
  • Enterprise infrastructure, networking, security, and virtualization.
  • IT operations management, systems integration, and infrastructure automation.

Key Projects

Practical platform work focused on reliability, automation, and delivery speed.

Kubernetes Platform Upgrades

Planned and executed Kubernetes platform upgrades with minimal downtime.

Kubernetes, OpenShift, Rancher

GitOps with ArgoCD

Implemented GitOps workflows using ArgoCD for Kubernetes and OpenShift application deployments.

ArgoCD, Kubernetes, OpenShift

Vault + External Secrets Operator

Centralized secrets management using HashiCorp Vault and External Secrets Operator across Kubernetes environments.

HashiCorp Vault, External Secrets Operator

Keycloak Migration

Migrated enterprise identity services using Red Hat Build of Keycloak on Kubernetes/OpenShift.

Keycloak, OpenShift, Kubernetes

Rancher Platform Upgrade

Supported Rancher platform upgrades and Kubernetes cluster lifecycle management.

Rancher, Kubernetes

Disaster Recovery for Vault

Tested Vault disaster recovery scenarios, including backup, restore, and service recovery validation.

HashiCorp Vault, Backup, Recovery

Credentials

Certifications, education, and languages.

Certifications

  • GitOps Certified for Argo
  • ITIL Intermediate - Operational Support and Analysis
  • Terraform Infrastructure Automation
  • Kubernetes Training and Certification Programs

Education

MBA - Software Engineering IGTI - Instituto de Gestão em Tecnologia da Informação
Bachelor's Degree - Systems Analysis and Development UNOPAR

Languages

Portuguese: Native

English: Professional Working Proficiency

Contact

Available for DevOps, SRE, platform engineering, and reliability work.