System Engineer (DNS / GSLB / SLB)
Salary: $35,000 – $50,000 per month
About the role
Manage the end-to-end implementation and delivery of DNS and load balancing projects, including requirement gathering, solution design, environment deployment, system integration testing, and acceptance, ensuring on-time, high-quality delivery. Provide daily technical support and maintenance for customer on-site DNS systems and load balancing equipment, ensuring production environment stability and high availability.
Key responsibilities
Manage the end-to-end implementation and delivery of DNS and load balancing projects, including requirement gathering, solution design, environment deployment, system integration testing, and acceptance, ensuring on-time, high-quality delivery; coordinate resources to drive project progress
Provide daily technical support and maintenance for customer on-site DNS systems and load balancing equipment, ensuring production environment stability and high availability
Handle daily cases from acceptance to closure, using protocol analysis to quickly identify root causes and ensure efficient resolution
Produce monthly service reports to review and summarize system performance
Lead or participate in live network change activities; prepare high-quality change plans, detailed implementation steps, and emergency rollback procedures
Author operation manuals, configuration guides, and standard operating procedures (SOPs) for fault handling
About you
Associate degree or above (full-time) in Computer Science, Communication, or Networking
Minimum 3 years of network operations experience with deep expertise in DNS and load balancing
Proficient in GSLB (Global Server Load Balancing) principles and various application scenarios
Skilled in configuring and operating mainstream load balancers (e.g., F5, A10, Citrix)
In-depth understanding of Layer 4-7 load balancing
Solid grasp of TCP/IP theory; familiar with routing and switching (OSPF/BGP) and network security technologies
Proficient in protocol analysis tools such as Wireshark and Tcpdump; capable of fault localization, packet analysis, and independent troubleshooting in complex network environments
Excellent cross-department communication and customer service skills
Strong technical documentation ability, able to translate complex issues into clear operational guidelines
Preferred: CCNP/HCNP or above, or F5 201/301 or higher vendor certifications