What am I doing right now?

🖥 Where I’ve Worked 🖥

Summary

Over 5 years of dedicated DevOps experience, including proficiency in cloud environments like AWS & GCP. A forward-thinking DevOps Engineer with a robust background in optimizing operating systems within agile frameworks. Specializing in the strategic deployment of technologies like Terraform, AWS, Kubernetes, and GitOps principles, I ensure scalable, efficient, and innovative IT infrastructures. My expertise extends to automating workflows, crafting CI/CD pipelines, and integrating GitOps for enhanced operational clarity and consistency

🧑‍💻 Site Reliability Engineer II @Opswat / December 2024 - Present - VietNam

Working on Systems Infra.

🧑‍💻 DevOps Engineer @ChoTot / July 2022 - December 2024 - VietNam

  • Migrated staging environments from on-premise to GCP, optimizing databases, storage, and observability with minimal cost.
  • Upgraded Kubernetes clusters and implemented GKE Spot for cost efficiency.
  • Managed CI/CD pipelines with GitHub Actions, contributing reusable workflows.
  • Experience with server-side technologies such as Nginx, cloud-native like Kong API Gateway.
  • Utilizing Terraform for infrastructure as code on GCP and AWS.
  • Hands-on experience with databases including MySQL, MongoDB, Redis, PostgreSQL, ScyllaDB.
  • Developed and contributed to Helm charts for managing applications.
  • Implemented ZeroTrust (Cloudflare) architecture, replacing VPN for enhanced security.
  • Networking experience with TCP/IP, DNS, DHCP, SSH.
  • Experience with monitoring and logging tools, Prometheus, Grafana, and VictoriaMetrics.
  • Experience SLI/SLO to measure and enhance the reliability, latency, and availability(http/grpc) of applications.
  • Responded to incidents, troubleshooted system issues, and provided night support to ensure smooth feature releases and operations.
  • Tracking and managing tasks with Jira/Confluence.

Technologies Used: GCP, AWS, GKE, EKS, Helm, Ansible, Terraform, Vault, Cloudflare, Prometheus, Temporal, KafKa, Keda.

🧑‍💻 DevOps Engineer @Spores Network / Oct 2021 - July 2022 - VietNam

  • Managed and deployed applications across Development, Testnet, and Mainnet environments.
  • Built CI/CD pipelines with GitHub Actions, CodeCommit, and ArgoCD for GitOps.
  • Used Terraform for AWS infrastructure and GraphNode for blockchain data indexing (Ethereum, BSC, Polygon).
  • Hands-on experience with databases such as MySQL, Redis, PostgreSQL, and AWS services.
  • Deployed and maintained monitoring and logging tools such as Prometheus, Grafana, and Loki,
  • Tracking and managing tasks with Jira/Confluence.

Technologies Used: AWS, EKS, CloudFlare, Redis, Postgresql, Loki, Prometheus, Grafana, Istio.

🧑‍💻 System Engineer @FireGroup / May 2020 - Oct 2021 - VietNam

  • Migrated legacy systems to AWS, building projects from scratch.
  • Designed CI/CD pipelines using Jenkins, GitHub Actions, and GitLab CI.
  • Managed GitOps deployments with Helm and FluxCD on EKS.
  • Terraform is utilized for infrastructure as code on AWS (staging, UAT, production).
  • Hands-on experience with a range of databases (MySQL, MongoDB, Redis, PostgreSQL) and AWS services.
  • Experience with server-side technologies such as Nginx, cloud-native like Nginx Ingress, Kong Ingress.
  • Implemented cloud monitoring and logging solutions using the EFK stack, Prometheus & Grafana, and AWS CloudWatch.
  • Tracking and managing tasks with Jira/Confluence.

Technologies Used: Jenkins, Github Action, GitLab CI, Helm, AWS (EC2, VPC, MSK, Route53, S3, EKS), Nginx, Kong Ingress.