Operations and maintenance of Tencent Cloud's security related products including Firewall, WAF etc in North American region to ensure service's stability and reliability. Drive product deployment,upgrades and architecture optimization in region by deeply understanding security related products architecture and technical principles. Participate in the troubleshooting of products and customer problems ,resolve security problems in the region; drive a closed-loop system to manage product problems and customer problems. Ensure stable 24/7 system operation by building disaster recovery, monitoring, automation, and intelligent operations and maintenance systems. Responsible for the development of operations and maintenance platforms; continuously improve platform efficiency, design core operational metrics, and drive system optimization to enhance performance and stability.