Senior Cloud Networking Engineer

About Airwallex Airwallex is the AI-native financial operating system for a real-time, intelligent economy. More than 676,000 businesses, including McLaren Racing, Qantas, SHEIN, and TikTok, use us, directly or through our platform partners, to run their financial operations or build and monetize financial products of their own. We started in Melbourne in 2015 to build the infrastructure global commerce runs on. We're the regulated backbone behind global payments: not by accident, but by design. A decade plus, 85+ licenses, and a financial infrastructure spanning North America, Europe, the Middle East, and Asia-Pacific. We're co-headquartered in San Francisco and Singapore, with more than 2,300 people across 27 offices. We hire builders with founder-level energy, people who move fast with good judgment, dig in with real curiosity, and make calls from first principles rather than waiting to be told what to do. Read our operating principles to see it in full. About the team As the engineering organization matures, the infrastructure teams are key to Airwallex’s ability to build a globally distributed platform, increase engineer productivity, and ensure effective use of resources. Our team works to provide the best possible experience for our developers and customers while providing a safe and secure environment to ensure that our financial solutions are always available. What you’ll do Maintain and expand Airwallex’s global cloud network infrastructure into new regions and markets while adhering to strict regulatory and compliance requirements. Help design the team structure and size for the future. Mentor and train junior engineers. Design, implement, and maintain highly available and secure production network infrastructure across LAN, WAN, VPN, and cloud environments spanning multiple global data centres and cloud regions. Manage global connectivity over international leased lines and domestic internet connections. Own the configuration and troubleshooting of complex network devices, including routers, switches, firewalls, load balancers, and cloud environments. Act as a first responder or escalation point for complex network issues, running incidents through to completion and producing after-action reports. Collaborate with cross-functional teams, including InfoSec, DevOps, Database, Corporate IT, and Facilities, to integrate network solutions and support business initiatives across multiple regions. Work with technical and non-technical teams to troubleshoot network issues across physical and cloud environments. Develop and maintain comprehensive network documentation, including diagrams, configurations, and operational procedures. Evaluate and recommend networking technologies and solutions to support business growth. Participate in a global on-call rotation, providing primary response for production and infrastructure issues. Support pre-scheduled network upgrades and other flexible scheduling requirements as needed to minimise business disruption. Investigate and propose practical solutions to improve the networking team’s visibility and operational capabilities. 【Requirements】 CCNA / JNCIA-level experience demonstrating a strong networking foundation. Demonstrated experience in a mixed networking-vendor environment, such as Juniper, Palo Alto, Cisco, Aruba, or equivalent, in a global company. Strong AWS network design and operations experience , with at least 3 years working with AWS networking in production. Strong documentation habits and an understanding of change-control processes. Basic understanding of GCP networking concepts. Understanding of AI-assisted workflows and practical use cases. Solid understanding of command-line configuration and troubleshooting for networking hardware and vendors, including JunOS, IOS, or equivalent. Willingness to learn new technologies and skills. Strong understanding of core BGP and route-filtering principles. An outcome-oriented approach. Collaborative and supportive work habits.