Key ResponsibilitiesNetwork Design & DeploymentPlan, design, and implement LAN/WAN, WLAN, SD-WAN, and VPN solutions based on customer requirements. Perform installation, configuration, and commissioning of network and security devices (switches, routers, firewalls, WLCs, APs, load balancers, etc.). Execute network migration, expansion, and integration projects, ensuring minimal downtime and maximum reliability. Conduct site assessments, prepare technical proposals, and assist sales teams with solution design.
Network Operations & SupportTroubleshoot and resolve complex issues involving routing, switching, firewall, and connectivity in multi-vendor environments. Provide Level 2/3 technical support, analyze incidents, and perform root cause investigations. Monitor network performance and implement improvements for throughput, stability, and security. Document network diagrams, configuration standards, and troubleshooting processes.
Security & ComplianceConfigure and manage firewalls, IDS/IPS, and security policies to protect customer networks. Implement and support VPN, NAT, VLAN segmentation, and ACLs for secure access and communication. Collaborate with security teams to ensure compliance with internal and customer security frameworks.
Collaboration & LeadershipWork closely with sales engineers, project managers, and service delivery teams to ensure project success. Mentor and provide guidance to junior engineers and support staff. Deliver proof-of-concept (POC) and technical presentations when required. Stay updated with emerging networking technologies and certifications.
Required QualificationsBachelor's Degree in Computer Science, Network Engineering, Information Technology, or related field. 2-5 years of hands-on experience in enterprise network deployment and troubleshooting. Professional Certifications preferred: Cisco CCNA / CCNP (Routing & Switching / Security) Fortinet NSE / Fortinet Certified Professional Palo Alto PCNSA / PCNSE Sophos Firewall Architect / Engineer
Strong understanding of LAN/WAN design, VLANs, ACLs, IP routing (OSPF, BGP, EIGRP), and VPN technologies. In-depth knowledge of Cisco, Fortinet, Palo Alto, and Sophos solutions (firewall, switches, routers, access points, etc.). Hands-on experience with network monitoring tools (SolarWinds, WhatsUp Gold, Wireshark, Cisco DNA, etc.). Good communication and interpersonal skills ability to work independently and in team settings. Language: Chinese preferred but open to non-Mandarin speakers with strong technical capability.
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