Posts
π Articles for good news, achievements, and posts.
2025

KCSA: Kubernetes and Cloud Native Security Associate (2025)
Foundation knowledge for securing Kubernetes and cloud native technologies.
Valid: Oct 27, 2025 β Oct 27, 2027 Continue reading KCSA: Kubernetes and Cloud Native Security Associate (2025)

KCNA: Kubernetes and Cloud Native Associate (2025)
Foundation knowledge for Kubernetes and cloud native technologies.
Valid: Oct 22, 2025 β Oct 22, 2027 Continue reading KCNA: Kubernetes and Cloud Native Associate (2025)

π New Role at Hyundai AutoEver: AI/MLOps Engineer
Excited to join Hyundai AutoEver as an AI/MLOps Engineer, focusing on enterprise AI platforms and ML pipelines for automotive domain. Since Feb 24, 2025 Continue reading π New Role at Hyundai AutoEver: AI/MLOps Engineer
2024

GitHub Foundations (2024)
Core skills for GitHub fundamentals and collaboration.
Valid: Nov 19, 2024 β Nov 18, 2027 Continue reading GitHub Foundations (2024)

Widearth: AR & Digital Twins Platforms at Maxst
A Fully Managed Platform for Real-World Space-Based AR & Digital Twin Services; I contributed to the development of the platform as a lead ML/Infra engineer. Continue reading Widearth: AR & Digital Twins Platforms at Maxst

CAPA: Certified Argo Project Associate (2024)
Core skills for 4 Argo projects: Argo CD, Argo Workflows, Argo Events, and Argo Rollouts.
Valid: Sep 14, 2024 β Sep 15, 2026 Continue reading CAPA: Certified Argo Project Associate (2024)

MLOps: On-Premise MLOps with Open Source Projects
To enhance the efficiency of GPU resources, a case study of an on-premise cluster that provides MLOps services with Kubeflow, Argo Workflows, and more. Continue reading MLOps: On-Premise MLOps with Open Source Projects

CKAD: Certified Kubernetes Application Developer (2024)
Core skills for developing Kubernetes workloads.
Valid: Jun 1, 2024 β May 31, 2026 Continue reading CKAD: Certified Kubernetes Application Developer (2024)

CKA: Certified Kubernetes Administrator (2024)
Core skills for managing Kubernetes clusters.
Valid: Mar 16, 2024 β Mar 15, 2027 Continue reading CKA: Certified Kubernetes Administrator (2024)
2023

DevOps: Hybrid Clusters with On-Premise Bare-Metal K8s and AWS EKS
For high availability and cost optimization, a case study of a hybrid cluster that combines on-premise and public cloud. Photo by Photobank Kiev on Unsplash Continue reading DevOps: Hybrid Clusters with On-Premise Bare-Metal K8s and AWS EKS