Caio Barbieri · Senior SRE · Cloud & Platform
Resume
SRE / Cloud professional with 4+ years of experience in DevOps, Kubernetes and infrastructure automation. Works across AWS platforms, GitOps and developer tooling, with hands-on experience in observability, cloud security and incident response in client environments. AWS Certified Security – Specialty and Solutions Architect – Associate.
Experience
Aug 2025 — present
1 yr 3 mos
Opsteampresent
Site Reliability Engineer (SRE) | Cloud Engineer
Aug 2025 — present · 1 yr 3 mos
SRE and cloud consulting for client environments, covering infrastructure, developer platforms, observability and security.
- Migrated self-hosted GitLab and its CI runners to Amazon EKS, including controlled upgrades, S3 integration and post-migration validation of 131 projects and CI/CD pipelines.
- Upgraded 13 Kubernetes clusters across development, staging, production and shared services, including Karpenter and node pool updates.
- Implemented AWS platform foundations with Terraform and EKS, including shared services, private connectivity and environment isolation.
- Built reusable Terraform modules, Helm charts and Backstage templates, with GitOps and CI/CD workflows using Argo CD, GitHub Actions and GitLab CI.
- Centralized logs from 2 AWS regions in Loki on EKS, integrating CloudWatch/Kinesis and ECS FireLens; migrated Grafana dashboards and tuned alerts.
- Strengthened least-privilege IAM controls, federated access and CI/CD authentication with OIDC. Investigated and contained incidents through log analysis, resource isolation and evidence preservation.
- Built internal tools for tenant isolation, access governance and AI-assisted pull request review; validated JIT access and WebAuthn pilots in development.
- Delivered efficiency improvements with gp3 EBS volumes and removal of unused infrastructure; produced architecture and cost assessments.
Feb 2022 — Aug 2025
3 yrs 7 mos
Vertigo Tecnologia
Senior DevOps Analyst
Jun 2025 — Aug 2025 · 3 mos
- Led the technical delivery of a cloud-native platform foundation, from architecture to implementation, with reusable infrastructure-as-code templates and Argo CD.
- Integrated Keycloak and Backstage and implemented centralized observability across Kubernetes clusters on AWS and Oracle Cloud.
Mid-level DevOps Analyst
Sep 2024 — Jul 2025 · 11 mos
- Built infrastructure automation and CI/CD pipelines for clients, plus templates, plugins and customizations for the internal VeeCode platform.
- Implemented observability solutions and AI-powered tools for operational workflows, while working in DevOps consulting.
Junior DevOps Analyst
Oct 2022 — Sep 2024 · 2 yrs
- Implemented monitoring with Grafana, Prometheus, Loki and Alertmanager, routing alerts to Microsoft Teams.
- Built Terraform automation, Helm charts, Dockerfiles and Bamboo / Shell pipelines for Node.js applications.
- Administered HashiCorp Vault, Consul, Redis and RabbitMQ and implemented least-privilege controls on AWS.
DevOps Intern
Feb 2022 — Oct 2022 · 9 mos
- Automated the migration of 200+ repositories from GitLab.com to self-hosted GitLab in about an hour, using Python and the GitLab API.
- Deployed GitLab on DigitalOcean Kubernetes with Helm, customized deployment templates, built CI/CD pipelines and containerized applications.
Skills
- Cloud & infrastructure
- AWSEKS · ECS · EC2 · VPC · S3 · RDS · KMS
- Oracle Cloud
- DigitalOcean
- Containers & IaC
- Kubernetes
- Docker
- Terraform
- Helm
- Karpenter
- Delivery & platforms
- CI/CD
- GitOps
- Argo CD
- GitHub Actions
- GitLab CI
- Backstage
- Observability
- Grafana
- Prometheus
- Loki
- VictoriaMetrics
- CloudWatch
- Alertmanager
- Security
- IAM
- OIDC
- SSO
- Keycloak
- HashiCorp Vault
- Network segmentation
- Incident response
- Automation
- Python
- Go (Golang)
- Bash / Shell
- Linux


