System Engineer

About the role

Provide on-site technical support and daily operation & maintenance for clients' DNS and GSLB systems, promptly resolving all production faults to ensure high stability and continuous operation of clients' business systems. Manage the full workflow of incident handling, including rapid response to service tickets, fast fault localization and root cause analysis. Independently compile complete technical documents for production changes in strict compliance with industry IT compliance standards and client operation & maintenance specifications. Conduct on-site communication and collaboration with clients' network, security and operation teams.

Key responsibilities

• Provide on-site technical support and daily operation & maintenance for clients' DNS and GSLB systems; promptly resolve all production faults to ensure high stability and continuous operation of clients' business systems
• Manage the full workflow of incident handling, including rapid response to service tickets, fast fault localization and root cause analysis
• Prepare and deliver standardized monthly operation and maintenance service reports to clients on schedule
• Independently compile complete technical documents for production changes, including risk assessment plans, implementation procedures and rollback recovery plans, in strict compliance with industry IT compliance standards and client operation & maintenance specifications
• Conduct on-site communication and collaboration with clients' network, security and operation teams, adhere to rigorous work standards and professional ethics, and maintain professional and efficient daily communication

About you

• A minimum of 3 years of end-to-end delivery and operation & maintenance experience in DNS and hardware SLB load balancing projects
• Hands-on project delivery experience with F5 and other mainstream hardware load balancing appliances
• Familiar with mainstream IDC network architecture and computer room logical partition design
• Proficient in GSLB principles, scheduling logic and practical deployment scenarios; skilled in the operation and configuration of mainstream hardware SLB appliances
• In-depth understanding of Layer 4 and Layer 7 load balancing mechanisms; solid theoretical and practical capabilities in routing & switching, firewall deployment and troubleshooting
• Experienced in network protocol analysis, end-to-end traffic tracing and multi-dimensional fault diagnosis in production environments
• Capable of independently compiling and maintaining standardized technical documents, including operation manuals, configuration guides, fault handling SOPs, and system cutover & rollback documents
• Excellent verbal and written communication skills to efficiently coordinate with clients' IT teams and drive project delivery and maintenance work
• Occasional on-site stationing at Hong Kong data centers is required
• On-call standby support is required during system cutover and critical business windows