Kohei Ota

Kohei Ota

Cloud Infrastructure Engineer

CNCF Ambassador Google Developer Expert Kubernetes SIG-Docs JA Owner

Work Experience

Apple

July 2022 - Present
Senior Solution Engineer Mar 2025 - Present
Senior Field Engineer July 2022 - Mar 2025

Cloud, Open Source, Swift Server Ecosystem

Hewlett Packard Enterprise

Apr 2020 - June 2022
Architect, HPE GreenLake Hybrid Cloud Global Competency Center Jan 2021 - June 2022
Solutions Architect Apr 2020 - Dec 2020

As an architect specializing in the cloud native domain at Hewlett Packard Enterprise, our team receive requests from various clients, such as financial, government, banking, ISP and so on, both inside and outside Japan, and provide technical education, design, and delivery of infrastructure based on Kubernetes and cloud based technologies.

  • Technical education and delivery of Kubernetes-based infrastructure
  • Designed solutions for financial, government, banking, and ISP clients
  • Worked with clients both inside and outside Japan

ZOZO Technologies, Inc.

Apr 2018 - Mar 2020
Infrastructure Engineer at MLOps team Jun 2019 - Mar 2020
Cloud/Infrastructure Engineer at SRE team Apr 2018 - May 2019

Designed and operated web and machine learning platforms centered on AWS and GCP. Built Kubernetes infrastructure from scratch with Terraform and infrastructure CI, and proposed EKS migration strategies.

  • Kubernetes admin for ML platform on GCP
  • Designed and built container-based GCP/AWS platform for ML applications with IaC
  • Built cloud-based infrastructure with AWS (CloudFormation, ECS, Lambda, RDS, CloudSearch, DirectConnect)
  • Introduced Terraform and infrastructure CI pipelines

Hitomedia, Inc.

Jun 2016 - Mar 2018
Web Developer Jun 2016 - Mar 2018

Backend dev with PHP for smartphone application (Silex, Docker, PHP 5.6 & 7.0). Tablet application of English examination (Android Java supporting 4.2-7.0). Dockerizing dev environment.

  • Backend development with PHP (Silex, Docker, PHP 5.6 & 7.0)
  • Android tablet application for English examination (supporting 4.2-7.0)
  • Dockerizing development environment

Datacenter

Feb 2015 - May 2016
Network Engineer Feb 2015 - May 2016

サーバ・ネットワーク機器の保守、顧客システムの運用監視、セキュリティインシデント対応。

  • 顧客システムの運用監視
  • サーバ・ネットワーク機器の保守
  • 業務フローや手順の作成・修正
  • セキュリティインシデント対応

Education

NIT, Numazu College

Certifications & Roles