Summary
Overview
Work History
Education
Skills
Certification
Timeline
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How Yi LAI

Singapore

Summary

Cloud Engineer & Consultant with over 5 years of experience in technology consulting, specializing in enterprise cloud transformation across AWS and Google Cloud Platform (GCP). Successfully delivered 8+ large-scale cloud adoption initiatives, with deep expertise in designing and operating secure, scalable Landing Zones to drive cloud maturity and enforce governance. Proven ability to automate workflows and optimize service delivery, achieving up to 80% improvement in operational efficiency. Skilled in integrating 15+ cloud-native services to meet performance, security, and compliance requirements. Recognized as a trusted technical advisor, adept at translating complex business objectives into effective technical solutions while managing stakeholder engagement, risk, and end-to-end cloud lifecycle governance.

Overview

5
5
years of professional experience
3
3
Certification
4
4
years of post-secondary education

Work History

Infra Transformation Specialist (Cloud Engineer)

Accenture
07.2021 - Current
  • Designed and implemented secure, scalable multi-cloud Landing Zones (AWS & Google Cloud), encompassing core domains such as infrastructure, networking, identity, DevSecOps, centralized logging, and security governance.
  • Architected the Google Cloud Landing Zone, leveraging 15+ GCP services including IAM, Cloud DNS, VPC Service Controls, Cloud Logging, and HA VPN to build a compliant and scalable enterprise foundation.
  • Led the architecture and deployment of AWS infrastructure components (EC2, VPC, Load Balancers, Security Groups, S3), integrating ServiceNow, MariaDB, and MaxScale with full-stack provisioning, application installation, and secure inter-tier network connectivity to support high-availability and fault-tolerant systems.
  • Established and secured network routing and connectivity across 10+ AWS-hosted servers, including integration of Linux servers with Active Directory and enforcement of IAM policies and group-based access controls.
  • Integrated SSO solutions (AWS Identity Center, OKTA) and access governance, managing end-to-end user lifecycle operations. Migrating several hundred users, supporting onboarding, automating credential issuance and lifecycle management.
  • Streamlined user and infrastructure operations by implementing DevSecOps practices, automating workflows and reducing task completion times by over 80%—cutting processes down from one week to a single day.
  • Deployed AWS Shield Advanced across 100+ AWS accounts, enabling automated DDoS detection and proactive mitigation to enhance cloud security posture. Additionally, integrated AWS Security Hub, GuardDuty, and Trusted Advisor to centralize threat detection and compliance monitoring, and designed operational workflows to periodically respond to high-priority security findings, improving overall security operations. Implemented OS-level hardening and cloud security best practices in alignment with CIS benchmarks, reducing vulnerabilities and strengthening platform resilience.
  • Enabled centralized observability using Amazon QuickSight and Managed Grafana, enhancing operational metrics visibility and cost tracking across cloud environments.

Software Development Testing Engineer

Dezire Technologies
02.2021 - 06.2021
  • Conducted manual regression testing on 10+ enterprise application modules, validating functionality, integrations, and workflows; meticulously analyzed results and reported findings to the development team for resolution.
  • Wrote and optimized over 50 detailed test cases to ensure coverage across critical functional and edge-case scenarios, increasing test coverage and reducing defects by 25%.
  • Identified and documented 20+ software defects, collaborating closely with developers to analyze root causes and propose actionable fixes.

Advanced Analytics and Big Data Intern

NCS Pte Ltd
08.2020 - 01.2021
  • Designed and executed 5+ ETL workflows to ingest, transform, and load terabytes of data into a centralized data repository for downstream analytics.
  • Validated technical designs through rigorous unit testing and system integration testing (over 50+ test cases) to ensure solution integrity and performance.
  • Performed data acquisition and analysis using SQL to support business intelligence and reporting needs.
  • Developed Python scripts to automate repetitive tasks, significantly improving operational efficiency and reducing manual effort by at least 50%.
  • Managed and maintained 100+ Apache Hive tables hosted on the Hadoop Distributed File System (HDFS), ensuring data accuracy and schema consistency.
  • Created 3+ shell scripts to automate job scheduling and system tasks in Linux environments, streamlining operations and minimizing human error.

Education

Fleximasters - Business and Financial Analytics

Nanyang Technological University
Singapore
02.2022 - 07.2022

Bachelor of Science - Mathematical Science, Statistics (Hons)

Nanyang Technological University
Singapore
08.2017 - 05.2021

Skills

  • AWS Solution Architecture
  • GCP Solution Architecture
  • Multi-Cloud (AWS, GCP) Infrastructure as Code (Terraform, CloudFormation)
  • Automation & Optimization (PowerShell, Python, Bash)
  • Stakeholder Management & Service Delivery
  • Customer Engagement & Technical Advisory
  • Cloud Governance
  • Security & Compliance
  • Database Administration
  • Data Analytics
  • Change Management & Training
  • Agile Methodology
  • Test scripts and diagnostics

Certification

  • AWS Certified Solutions Architect Professional Jun 2025
  • AWS Certified Solutions Architect Associate Jan 2023
  • Microsoft Azure Fundamentals AZ-900 Jan 2023

Timeline

Fleximasters - Business and Financial Analytics

Nanyang Technological University
02.2022 - 07.2022

Infra Transformation Specialist (Cloud Engineer)

Accenture
07.2021 - Current

Software Development Testing Engineer

Dezire Technologies
02.2021 - 06.2021

Advanced Analytics and Big Data Intern

NCS Pte Ltd
08.2020 - 01.2021

Bachelor of Science - Mathematical Science, Statistics (Hons)

Nanyang Technological University
08.2017 - 05.2021

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