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.
Where I've Worked
Experience
Sr DevOps Engineer
Zoom Communications
- 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
- 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
- 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
- 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
Technologies I Work With
Skills
Cloud & Infrastructure
Programming & Automation
Databases
DevOps & Monitoring
Networking & Security
Operating Systems
Professional Credentials
Certifications
Azure AI Fundamentals
Jan 2024HashiCorp Terraform Associate
Nov 2022Certified Kubernetes Administrator
Feb 2021AWS Solutions Architect – Associate
Jun 2017Certified Scrum Master
Apr 2017Mirantis OpenStack Administrator (MCA200)
Feb 2016🎓 Education
MBA
Blekinge Institute of Technology, Karlskrona, Sweden
June 2013Computer 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 & 2021Jujutsu Kai Black Belt (1st Dan)
Certified instructor for kids classes
Apr 2004Swedish Armed Forces
Squad Leader, 10 months Military Service
Nov 2003Get In Touch
Let's Connect
I'm currently open to new opportunities and always happy to discuss DevOps, cloud architecture, or potential collaborations.