Cloud/Platform Engineer focused on Kubernetes automation, observability, and GPU workloads. Based in Seoul, Korea.
- Current: Cloud Expert Team (PaaS), Okestro
- Previously: DevOps at AdenaSoft; Backend engineer (Java Spring Boot)
- Open to: Kubernetes Platform, Serverless Platform, DBaaS/Observability, SRE
- Terraform IaC for AWS (VPC/ALB/ECS/S3) reduced provisioning 3h -> 1h
- Alert automation (FastAPI + AWS CLI + Slack) cut triage from 15m to <1m
- Built OpenSearch log pipeline adopted by backend teams for diagnostics
- Built MultiNIC controller/agent for OpenStack Kubernetes
- Cluster lifecycle automation: Ansible, kubeadm/kubespray, Cluster API
- Multi-cluster observability: Prometheus, Thanos, Loki, Grafana, MinIO
- GPU enablement: NVIDIA GPU Operator, MIG/time-slicing, DCGM dashboards
- kubespray-openstack-ha: HA Kubernetes on OpenStack, Octavia LB integration
- multinic, multinic-agent, multinic-improved: Go controller/agent suite for OpenStack multi-NIC
- ansible-k8s: Kubernetes automation playbooks
- Languages: Go, Python (FastAPI), Bash, HCL, YAML/Helm, Java (Spring Boot, prior)
- Platforms: Kubernetes, OpenStack, AWS
- Observability: Prometheus, Thanos, Loki, Grafana, CloudWatch
- IaC/Automation: Terraform, Ansible, Cluster API
- CI/CD: GitHub Actions, GitLab CI
- Linux Master Level 2
- CCNA
- AWS Solutions Architect - Associate
- Korean (native), English (reading), Japanese (N2 in progress)
