>
Lucas Barbosa Silva
Platform Engineer
Resume Email
Resume

Experience & impact.

Full-stack platform engineering with security-first guardrails.

Highlights
  • Delivered 60% AWS cost reduction in 3 months
  • Built reproducible EKS foundations with autoscaling
  • Governance-as-code for GitHub org controls
Download PDF →
Skills

Platform Engineering · Cloud Security · IaC · Observability · FinOps · GRC

Certifications

HashiCorp Certified: Terraform Associate

Stack

Terraform · AWS/GCP · EKS/ECS · GitHub · Grafana/Loki/Prometheus · OTel

Selected projects

View all →
FinOps

60% AWS cost reduction (Casai)

Impact: -60% spend in 3 months without reliability loss.

View case study →
IaC

EKS foundations with Karpenter (Apura)

Impact: reproducible clusters + autoscaling baseline.

View case study →
GRC

GitHub org controls as code (Apura)

Impact: compliant access + auditable workflows.

View case study →
2024–now
Platform Engineer
Apura Cyber Corp • Remote
Guardrails: IAM/SSO (Identity Center) via Terraform • least privilege • secrets & vuln scanning • auditable access
EKS rebuilt as IaC

Rebuilt/migrated EKS + supporting infra into a reproducible Terraform-managed foundation.

  • GitHub Enterprise governance as code (repos/users/teams/permissions)
  • AWS IAM Identity Center lifecycle automation
  • Central observability with Grafana/Prometheus/Loki + APM
2022–2023
Site Reliability Engineer
Casai • Remote
Guardrails: least privilege • SSO • Secrets Manager • WAF • SIEM
60% AWS cost savings

Optimized infrastructure and delivered 60% AWS cost savings within the first three months.

  • Multi-cloud/multi-region: AWS/GCP, ECS/EKS/Elastic Beanstalk
  • Security controls: least privilege, SSO, Secrets Manager, WAF, SIEM
2017–2021
Site Reliability Engineer
Vamo • Remote
Guardrails: PCI DSS compliance • security audits • monitoring & alerting
PCI DSS recertification leadership

Led compliance recertification efforts while modernizing infra toward containers and managed services.