Network Operations and Maintenance Service Engineer

<p>Core responsibilities: Responsible for the design, deployment and operation and maintenance of global network infrastructure (WAN, LAN, wireless, SDWAN, etc.), ensuring secure and efficient cross-office, data center and cloud environment connections, while coordinating supplier cooperation, team collaboration and compliance matters. </p><p><strong>Job Responsibilities</strong></p><p>1. Lead global WAN, LAN, wireless and SDWAN architecture design and life cycle management, configure VPN, firewall, etc. to ensure cloud environment (Azure, AWS) connection security.</p><p>2. Manage enterprise and visitor wireless networks, optimize high-density scene wireless coverage, maintain voice systems (RingCentral, etc.) and core devices such as F5 and Cisco UCaaS.</p><p>3. Responsible for network monitoring (SolarWinds), compliance control (certificate life cycle, firewall policy), and handling global network failure upgrades and technical support.</p><p>4. Coordinate supplier contract renewal, authorization management, provide technical guidance to regional engineers, and participate in strategic planning and budget making. </p><p><strong>Job Requirements</strong></p><p>1. More than 10 years of enterprise-level network engineering and operations experience, with in-depth knowledge of Cisco's entire product line (Catalyst, Nexus, SD-WAN, etc.).</p><p>2. In-depth understanding of WAN routing, BGP, VPN, firewall, and cloud network architecture (Azure ExpressRoute, etc.), with high-density wireless environment design and troubleshooting capabilities.</p><p>3. Proficient in using SolarWinds, NetFlow, etc. monitoring tools, with global supplier management and cross-team collaboration capabilities.</p><p>4. Hold Cisco CCNP/CCIE, Versa SD-WAN or cloud networking related certifications</p><p>5. English and Cantonese are fluent.</p>