Hai Hoang

Sydney NSW 2000 ✉ in

Summary

Systems Development Engineer with extensive experience building, automating, and operating large-scale distributed systems on AWS. Strong focus on infrastructure automation, scalable service development, observability, and cost-efficiency. Recent work includes developing an AWS-native internal service in Go and Python, and modernising CI/CD pipelines using the TypeScript AWS CDK. Also maintains a personal homelab environment for self-hosting, experimentation, and continuous learning in distributed systems and platform engineering.

Core Skills

Site Reliability & Operations

  • Production debugging across distributed systems (networking, IAM, compute, storage)
  • Incident response, root-cause analysis, and long-term corrective actions
  • Operational excellence: automation, toil reduction, observability improvements
  • Change management and ITIL-aligned operations at enterprise scale

Cloud & Infrastructure

  • AWS Managed Services, AWS-native service development and deployment
  • EC2, Lambda, VPC, IAM, Systems Manager, Config, CloudWatch
  • On-premise and datacenter design (SAN, vCenter, SD-WAN, network architecture)
  • Customer migrations including re-hosting and refactoring

Software Engineering & Automation

  • Golang, Python, PowerShell, Bash scripting
  • AWS CDK (TypeScript) for infrastructure-as-code deployments
  • CI/CD pipeline automation via AWS internal tools
  • SSM automation document authoring for operational tooling

Homelab & Self-Hosted Infrastructure

  • Personal Kubernetes/Docker-based homelab for self-hosted services
  • Monitoring (Prometheus/Grafana), reverse proxies, VPN, GitOps automation
  • Infrastructure automation, IaC, and CI/CD workflows
  • Prototyping distributed systems concepts and evaluating new tooling

Certifications

Professional Experience

Amazon Web Services — Amazon Managed Services Sydney

Systems Dev Engineer IIMar 2025 – Present
System Engineer IINov 2022 – Mar 2025
Operations EngineerNov 2020 – Nov 2022
Operations AssociateNov 2019 – Nov 2020

Key Achievements

  • Developed and modernised an AWS-native internal service (Golang, Python) with fully integrated CI/CD pipelines (TypeScript AWS CDK).
  • Designed and built Systems Manager Automation Documents for configuration enforcement and proactive remediation across AMS.
  • Diagnosed complex deployment failures across IAM, networking, compute, S3, and configuration drift — coordinating fixes with internal service teams.
  • Led cost optimisation and architectural guidance for AWS customers.
  • Authored internal runbooks, operational tooling, and documentation.
  • Supported customer migrations and improved production readiness.

White Clarke Asia Pacific — Systems Administrator

Systems AdministratorNov 2014 – Nov 2019
  • Designed and deployed on-prem infrastructure including SAN, vCenter, and enterprise networking.
  • Built multi-country SD-WAN improving reliability and latency.
  • Implemented automated backup and replication systems.
  • Deployed secure remote access supporting 50+ remote staff.

Technical Support / Service Desk Roles

Various Roles2009 – 2014
  • Provided L1/L2 support, incident triage, and escalation management.
  • Built strong foundations in troubleshooting and operational support.

Education

Bachelor of Software Engineering (Computer Science Specialty)

University of South Australia — 2006–2010