LEE JIAN XIANG

Network Operations Center (NOC) Team Lead – Outsourced to ByteDance

• Led a 24/7 Network Operations Center (NOC) team responsible for the continuous monitoring, management, and maintenance of the organization’s IT infrastructure and network systems to ensure high availability and performance.
• Participated in major online assurance activities for TikTok Live Streaming events, ensuring smooth and uninterrupted broadcasts during peak usage periods.
• Investigated and identified root causes of CDN PSR (Pull Success Rate) degradation, enabling timely resolution and improved service stability.
• Provided technical support for cloud-based video and image services across major platforms including TikTok, Musical.ly, Toutiao, CapCut, Lemon8, and internal teams.
• Diagnosed and resolved complex technical issues related to media uploads, transcoding pipelines, URL distribution mechanisms, and content audit frameworks to ensure system reliability and a seamless user experience.
• Conducted API testing, code reviews, and log analysis to troubleshoot and resolve SDK-related issues; proactively monitored system alerts to detect anomalies early, ensuring high system performance and continuous service availability.

• Provided remote assistance to clients, ensuring timely resolution of software and hardware concerns.
• Served as an escalation point for challenging technical inquiries, demonstrating expertise in product knowledge and problem-solving abilities.
• Conducted root cause analysis of technical issues, implementing preventive measures for future occurrences.
• Perform global data center CDN setup, including network architecture design, installation/decommissioning, relocation, and the installation of OS and software.
• Take part in the post-sales support to our customers. Response and react to customers' requirements for domain configurations, and resolve the website problems feedback by customers.
• Monitoring CDN systems and services and promptly resolving PoPs(Point of Presence) and network problems.
• Develop automation tools to improve operations efficiency.