Xavier Lu 路濬誠 CHUN-CHENG LU

Site Reliability Engineer (Remote)

Infrastructure Automation & Azure Management

• Developed Python-based Azure management toolkit with interactive curses UI for VM operations, snapshot management, and quota monitoring
• Implemented centralized Azure credential management with token caching, reducing API authentication requests and improving security
• Built automated VM lifecycle management system including power state control, spec queries, and cross-environment fuzzy search

Monitoring & Observability

• Designed and deployed Grafana dashboards for server metrics including CPU activity analysis, network traffic monitoring, and process-level insights
• Configured Prometheus + Grafana + Zabbix monitoring stack with Docker Compose for comprehensive infrastructure observability
• Implemented Nginx AVIF auto-serving configuration, achieving 79% bandwidth reduction through next-gen image format optimization

DevOps & Automation

• Created VM change log system with automated daily change tracking and Markdown-formatted history reports
• Built Azure quota monitoring tool with color-coded usage visualization and multi-region support
• Developed modular OpenResty access control components including configuration, caching, logging, and Redis client integration

SRE / DevOps Engineer

Infrastructure Automation & Deployment

• Automated deployment processes with Terraform, cutting configuration errors by 90% and saving 10 hours per week
• Deployed 40+ reverse proxy servers with Ansible and Shell scripting for high-traffic applications
• Automated application services configurations deployment using Terraform and Ansible
• Built and deployed frontend web applications with CI/CD pipelines (GitLab CI, GitHub Actions, Jenkins)

Cloud Migration & Database Management

• Migrated 50+ on-premises databases to AWS RDS, reducing latency by 30% and cutting costs by 20%
• Provisioned virtual machines on AWS EC2, Microsoft Azure, Google Cloud, and Linode
• Optimized Nginx and PHP-FPM configurations for improved web service performance
• Automated lifecycle snapshot backups using AWS Lambda and Python scripts
• Deployed CDN configurations via Cloudflare API for global content delivery

Containerization & Monitoring

• Transitioned PHP, Ruby on Rails, Redis, and Nginx services into Dockerized environments for scalability
• Established comprehensive monitoring systems with Prometheus, Loki, InfluxDB, and Grafana
• Designed real-time monitoring dashboards for Web Service load visualization, enabling swift anomaly response

Team Management & Automation

• Created and enforced Standard Operating Procedures (SOPs) for incident notifications
• Automated incident reporting with Telegram Bots and LINE Bots, enhancing communication efficiency
• Streamlined routine tasks through Shell Script and Python automation

Performance & Security

• Tuned network parameters and diagnosed performance issues using tools like sar
• Performed RFC-compliant security validations and system benchmarking
• Strengthened server security against DNS hijack, XSS attacks, SQL injections, web shells, and DDoS threats

Senior System Engineer

• Configured servers and switches hosting at Chunghwa Telecom IDCs
• Implemented and transferred physical system to Citrix Xenserver for E-commerce website
• Established Asia Infrastructure for online video conference company using AWS
• Built high-availability infrastructure using VMware, DELL EqualLogic, and FortiGate
• Built 24/7 monitoring system using Cacti and Nagios

System Engineer

• Maintained computer systems including OA, Cisco Layer3 switch, Router
• Conducted Linux system, backup recovery and built virtual system
• Migrated Windows server & Linux system to VMware and Citrix Xenserver
• Transferred ERP system from CentOS 4 to CentOS 6.7

System Engineer

• Maintained hardware and software including firewall (FortiGate), Cosmos ERP, Apache server
• Solved EIP server failure crisis and successfully recovered files
• Upgraded hardware and systems for improved reliability

Network Engineer

• Performed hardware and software daily operations including DELL Server, Cisco Switch
• Built and implemented all web service on Xen and KVM
• Developed virtual machine solutions using open source (Xen, KVM) with DRBD and HeartBeat
• Designed monitoring dashboards using InfluxDB and Grafana