Larry Kung

Larry Kung

Senior DevOps Engineer

Email: me@larrykung.dev
Location: Beijing, China

Professional Summary

Senior DevOps Engineer with 13+ years of experience in infrastructure management, containerization, and automation. Specialized in building and maintaining large-scale Kubernetes platforms, implementing GitOps workflows, and designing robust CI/CD pipelines. Proven track record of improving system reliability, performance, and security.

Work Experience

Senior SRE Engineer – Meituan (2020–Present)

  • Managed a 5,000+ node Kubernetes multi-tenant platform.
  • Designed GitOps pipelines using ArgoCD, supporting 10,000+ monthly automated deployments.
  • Led disaster recovery drills, achieving PostgreSQL recovery within 30 minutes.
  • Implemented service throttling, readiness probes, and automated circuit breakers.
  • Reduced infrastructure costs by 25% through resource optimization and autoscaling.
  • Mentored junior engineers and established DevOps best practices across teams.

DevOps Engineer – Didi Chuxing (2016–2020)

  • Migrated services from Mesos to Kubernetes, enabling microservice scalability.
  • Developed a Prometheus-based SLA scoring tool for automated availability tracking.
  • Built secure CI/CD workflows with GitLab CI and Harbor.
  • Created internal Python-based observability and diagnostics tools.
  • Improved deployment success rate from 85% to 99.5% through automated testing and validation.

Operations Engineer – LeTV (2013–2016)

  • Maintained 1,000+ transcoding and CDN nodes using Ansible.
  • Built Zabbix + ELK logging system for automated monitoring and alerting.
  • Optimized Nginx edge caching logic with Lua to improve CDN efficiency.
  • Reduced video delivery latency by 40% through CDN optimization.

Junior System Administrator – Kugou Music (2010–2013)

  • Maintained 600+ Linux servers across Web, DB, and Cache services.
  • Implemented MySQL master-slave replication and read/write splitting.
  • Automated daily ops with shell scripts for backups, monitoring, and log rotation.

Skills

  • Containerization & Orchestration: Kubernetes, Docker, Istio, Helm
  • CI/CD & Automation: GitOps, ArgoCD, GitLab CI, Jenkins
  • Infrastructure as Code: Terraform, Ansible, CloudFormation
  • Monitoring & Observability: Prometheus, Grafana, ELK Stack, Jaeger
  • Cloud Platforms: AWS, GCP, Azure, Alibaba Cloud
  • Databases: PostgreSQL, MySQL, Redis, MongoDB
  • Programming: Python, Bash, Go, YAML, HCL

Certifications

  • Certified Kubernetes Administrator (CKA)
  • Red Hat Certified Engineer (RHCE)
  • AWS Certified DevOps Engineer
  • Google Professional Cloud Architect
  • HashiCorp Certified Terraform Associate

Education

Bachelor of Science in Computer Science
Beijing University of Technology, 2006-2010