Hello, I'm

Simon Leung

Sr DevOps Engineer

Results-driven DevOps professional with over 13 years of expertise in CI/CD, cloud technologies, and containerization. Experienced in international leadership roles supporting mission-critical infrastructure at scale.

~$ whoami
Simon Leung | Dallas, TX | US citizen
~$ cat skills.txt
AWS, Kubernetes, Docker
Terraform, Ansible, Python
CI/CD, GitOps, SRE
~$ uptime
13+ years in tech
~$ _

Experience

Sr DevOps Engineer

Zoom Communications

May 2022 - Present
  • VoIP DevOps Engineer leading/managing global hybrid cloud SIP infrastructure supporting real-time audio and video for Zoom Meetings
  • Use GitOps to review code and MOPs to deploy new software and configure 1000+ bare metal and cloud VMs
  • Manage SIP infrastructure: SBC, Telephony Gateway, Media Servers and Conference Room Connector
  • Implement CI/CD pipeline for scalable architecture with capacity planning and traffic forecasting
  • Automate deployments using Git, Jenkins, Ansible, Terraform, Python on Docker/AWS EC2
  • Deploy Docker containers for E2E calls to test service availability across AWS, OCI, GCP and On-prem

Distinguished Cloud Engineer

Verizon Wireless

Mar 2019 – Apr 2022
  • Planned, designed, and supported Virtual Subscriber Profile Controller (vSPC) and Identity Management Server (vIDMS) in Verizon Cloud Platform
  • Managed VM-based vSPC for 180M subscribers hosted in 100+ Couchbase DB VM instances
  • Application owner of Kubernetes/Docker based vIDMS serving 50k subscribers using OpenShift
  • Automated deployments using Jenkins, Ansible, Python, and Bash
  • Served as acting manager during manager's medical leave (four months)

Principal Member of Technical Staff

Verizon Wireless

Jun 2016 – Feb 2019
  • Supported Verizon Cloud Platform (VCP Edge) private cloud, ensuring adherence to VCP and ETSI MANO requirements
  • Assisted VNF teams with VCP Infrastructure queries, facilitating smooth Cloud onboarding
  • Contributed to building VCP OpenStack lab for efficient OS/hardware maintenance on HPE servers

Engineer III

Ericsson US

Mar 2009 – May 2016
  • Led a team of five testers with $1.5M project budget for acceptance testing at Verizon Maintenance Engineering lab
  • Setup load testing environment for virtual ETAS (vETAS) to ensure resilience under high loads
  • Implemented Scrum methodologies to optimize coordination and enhance team efficiency

Skills

Cloud & Infrastructure

AWS OpenStack OCI Google Cloud Kubernetes Docker Terraform

Programming & Automation

Python Django Ansible Bash Golang Java

Databases

MySQL Oracle DB PostgreSQL Couchbase Redis

DevOps & Monitoring

Git Jenkins Prometheus Elasticsearch Kibana Zabbix PagerDuty

Networking & Security

Wireshark Nginx F5 vLB/vFW TCP/UDP DNS SIP/VoIP

Operating Systems

Red Hat Ubuntu macOS Windows

Certifications

☁️

Azure AI Fundamentals

Jan 2024
🤖

HashiCorp Terraform Associate

Nov 2022
⚙️

Certified Kubernetes Administrator

Feb 2021
🏗️

AWS Solutions Architect – Associate

Jun 2017
🔄

Certified Scrum Master

Apr 2017
🌐

Mirantis OpenStack Administrator (MCA200)

Feb 2016

🎓 Education

MBA

Blekinge Institute of Technology, Karlskrona, Sweden

June 2013

Computer Science (Master)

Royal Institute of Technology, Stockholm, Sweden

Dec 2008 • Ranked #74 QS World University

🏆 Awards & Recognition

Verizon Network Reliability Award

Annual Network Reliability, Performance and Security

2020 & 2021

Jujutsu Kai Black Belt (1st Dan)

Certified instructor for kids classes

Apr 2004

Swedish Armed Forces

Squad Leader, 10 months Military Service

Nov 2003

Let's Connect

I'm currently open to new opportunities and always happy to discuss DevOps, cloud architecture, or potential collaborations.