Network Engineer

Key Responsibilities

1. Network Operations & Management

• Configure, maintain, and optimize data center network infrastructure to ensure stability and high availability.

• Manage switches, routers, firewalls, load balancers, and other network devices.

• Monitor network performance and troubleshoot latency, packet loss, traffic anomalies, and connectivity issues.

2. Network Architecture & Maintenance

• Support network architecture design, implementation, and optimization.

• Perform regular network inspections, configuration changes, firmware upgrades, and preventive maintenance.

• Maintain network security, access control, and related configuration standards.

3. Incident Response

• Diagnose and resolve network incidents and service disruptions in a timely manner.

• Conduct root cause analysis and prepare incident reports and corrective actions.

• Support DDoS response, traffic management, and other network security incidents.

4. Documentation

• Maintain network configurations, SOPs, change records, troubleshooting guides, and technical documentation.

• Support continuous improvement of network operation and maintenance processes.

Requirements

• Bachelor's degree or above in Computer Networks, Information Security, Communication Engineering, or related fields.

• 3+ years of network operations, data center, or infrastructure experience.

• Strong knowledge of TCP/IP, OSPF, BGP, MPLS, VLAN, VXLAN, and related network technologies.

• Hands-on experience with network equipment from Cisco, Huawei, H3C, Juniper, Ruijie, or similar vendors.

• Familiar with firewalls and load balancing technologies such as Fortinet, Palo Alto, F5, or Nginx.

• Basic Linux administration skills; Shell or Python scripting experience is preferred.

• Strong troubleshooting and incident response capabilities.

• Good communication and teamwork skills.

• CCNP, HCNP/HCIP, JNCIP, or similar certifications are preferred.

• Experience supporting GPU clusters, HPC, or large-scale data center environments is an advantage.