Seeking a skilled Network Engineer with 5+ years of experience supporting enterprise networks, routing, switching, and firewalls. Responsibilities include designing, implementing, and maintaining network infrastructure across multiple sites, managing Cisco routers, switches, and FortiGate firewalls, and performing advanced troubleshooting with tools like Wireshark. Must have expertise in IP protocols, routing (BGP, EIGRP), VPNs, and data centre infrastructure, including HP Synergy and Supermicro servers. Strong communication, documentation skills, and certifications (CCNA, Fortinet NSE) are preferred. This onsite role is based in Hong Kong, Chicago, Shanghai, or Sydney. Offers a collaborative environment, competitive benefits, and growth opportunities.