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leehmdev/README.md

Hyunmyung (Matthew) Lee

Senior Cloud & Infrastructure Engineer Currently based in Japan.

🌐 About Me

  • 12+ years of experience in large-scale infrastructure, cloud platforms, and automation. Specialized in Kubernetes, GCP, and modern infrastructure engineering.
  • Samsung SDS – 10+ Large-scale enterprise infrastructure & Telecommunication core system
  • EPAM Systems Japan → GlobalLogic Japan – GCP Premium Support
    • GKE (Autopilot & Standard), Compute Engine, MIG, VPC, IAM, Networking
    • Deep troubleshooting across autoscaling, performance, network, IAM, node lifecycle, and distributed systems
  • Infrastructure as Code: Terraform (GKE, networking, IAM, org design)
  • Automation & CI/CD: GitHub Actions, GitLab CI, Bash/Python
  • Skilled in designing lab environments to reproduce complex production issues & conduct root-cause investigations

🔧 Primary Tech Stack

Kubernetes · GCP · AWS · Terraform · GitOps · CI/CD · Linux

📦 Featured Projects

🔧 Tech Focus

  • Cloud: Google Cloud Platform (GKE, Compute, Storage, VPC, IAM), Amazon Web Service
  • Containers & Orchestration: Kubernetes, GKE Autopilot/Standard
  • Infra as Code: Terraform (GCP), Ansible
  • CI/CD: GitHub Actions, GitLab CI (learning & building)
  • Languages / Scripting: Bash, Python (for automation & tooling)
  • Observability: Prometheus, Grafana, Cloud Logging/Monitoring

📬 Contact

Popular repositories Loading

  1. leehmdev leehmdev Public

    Hyunmyung (Matthew) Lee - Cloud Infrastructure / SRE

  2. gke-terraform-ansible-lab gke-terraform-ansible-lab Public

    GKE Infrastructure Lab using Terraform for provisioning and Ansible for application deployment.

    HCL

  3. gke-gitops-observability-lab gke-gitops-observability-lab Public

    End-to-end GKE GitOps & Observability lab using Terraform, Helm, Argo CD, Prometheus, and Grafana

    HCL

  4. gke-istio-canary-lab gke-istio-canary-lab Public

    Terraform + GKE + Istio Canary Deployment Lab | End-to-end demo with Terraform, Ansible, Istio, and traffic shifting (100/0 → 90/10 → 50/50 → 0/100)

    Shell