Summary
Overview
Work History
Education
Skills
Certification
Timeline
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Jeayoon Jeong

Jeayoon Jeong

Solutions Architect
Tokyo, Japan

Summary

Cloud Engineer & Web Developer | AWS | Azure | IaC | GPU Computing | GenAI | IT Consulting

AWS-certified Solutions Architect with 8+ years of experience designing and deploying scalable, secure, and cost-optimized cloud architectures. Proven track record in leading high-performance infrastructure for GenAI, HPC, and large-scale web services across AWS and Azure environments.

Strong ownership mindset and passion for customer success, with deep expertise in Infrastructure as Code (Terraform, CloudFormation), DevOps automation, and multi-account governance. Known for building trusted relationships with stakeholders and enabling customers' cloud transformation through strategic guidance, hands-on workshops, and thought leadership.

Overview

9
9
years of professional experience
7
7
Certifications
4
4
Languages

Work History

Senior Solutions Architect

MEGAZONE CLOUD
08.2023 - Current
  • Led AWS-based HPC and GenAI infrastructure design using FSx for Lustre and SLURM, enabling multi-user compute environments with performance optimization.
  • Delivered IaC adoption workshops and Terraform consulting for enterprise customers, improving deployment consistency and reducing time-to-delivery by 40%.
  • Advised startup and enterprise customers on AWS architecture and migration strategies aligned with Well-Architected Framework, resulting in measurable cost and performance improvements.
  • Built automated multi-node user management system on AWS HyperPod, supporting reproducible scientific workloads.
  • Supported customer presentations and blogs to promote AWS-native architecture transformation.

Specialist

Deloitte Tohmatsu
05.2022 - 07.2023
  • Designed ITSM operational models using ITIL4 framework for large clients.
  • Participated in cloud strategy workshops, analyzing customer needs and recommending architecture modernization.

Senior Technology Analyst

Accenture
06.2020 - 03.2022
  • Led Azure-to-AWS infrastructure automation using Terraform and Ansible, improving deployment speed and reliability.
  • Mentored junior engineers on IaC and DevOps practices.

Full Stack Web Developer

Fusic Co.,Ltd.
03.2016 - 03.2020
  • Built scalable PHP web applications and CI/CD pipelines using ECS and CodePipeline.
  • Introduced IaC and Docker-based environments, reducing manual infrastructure work by 70%.

Education

Bachelor's - Japanese

Fudan University
Shanghai, China
04.2001 -

Skills

    Digital transformation

    Product lifecycle management

    Problem-solving

    Technical leadership

    Business process analysis

Certification

AWS Certified AI Practitioner

Timeline

AWS Certified AI Practitioner

02-2025

AWS Certified Advanced Networking - Speciality

11-2024

Senior Solutions Architect

MEGAZONE CLOUD
08.2023 - Current

Microsoft Certified: Azure Solutions Architect Expert

03-2023

AWS Certified DevOps Engineer – Professional

01-2023

AWS Certified Solutions Architect - Associate

11-2022

AWS Certified Solutions Architect – Professional

11-2022

Specialist

Deloitte Tohmatsu
05.2022 - 07.2023

Microsoft Certified: Azure Administrator Associate

04-2021

Senior Technology Analyst

Accenture
06.2020 - 03.2022

Full Stack Web Developer

Fusic Co.,Ltd.
03.2016 - 03.2020

Bachelor's - Japanese

Fudan University
04.2001 -

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Jeayoon JeongSolutions Architect