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  • Dynasafe Technology Inc.
  • Taipei

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johnnypu/README.md

Hi there 👋

I'm Johnny — an SRE / Platform Architect specializing in Red Hat OpenShift / Kubernetes platform operations and architecture design, with a focus on hybrid cloud (AWS / Azure) landing and governance for financial services clients.

🧰 What I Do

  • 🏗️ Design & build OpenShift / Kubernetes platforms (On-prem / Cloud / Hybrid)
  • 🔐 Security, compliance & governance (RBAC, NetworkPolicy, certificate & supply chain risk management)
  • 📈 Observability (Monitoring / Logging / Tracing) and SRE Runbook / SOP development
  • 🚀 Platform lifecycle management — cluster upgrades, operator management, add-on governance

🔭 Current Focus

  • OpenShift platform upgrades & stability governance (change risk assessment & validation strategies)
  • Multi-tenant namespace / policy / quota standardization
  • Hybrid cloud / DR architecture (Landing Zone, TGW Hub-Spoke, PrivateLink, NLB/ALB)
  • SLO/SLI design methodology & alerting implementation
  • Prometheus-based cluster monitoring & automated reporting (openshift-prometheus-monitor)

🧠 Tech Stack

Platforms & Orchestration

OpenShift Kubernetes Docker Linux Red Hat

Observability

Prometheus Grafana Loki Jaeger

Cloud

AWS Azure

GitOps & CI/CD

ArgoCD GitHub Actions Helm

IaC & Automation

Terraform Ansible

Languages & Scripting

Python Java JavaScript Bash YAML

🤝 Let's Connect

I'm happy to exchange ideas on OpenShift platform architecture, upgrade strategies, SRE metrics & governance, performance tuning for financial services.

💬 Ask me about: OpenShift operations & upgrades, observability & Runbook design, hybrid cloud architecture

📫 GitHub: johnnypu

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