Senior Network Engineer, San Francisco

As a Senior / Staff Network Engineer, you will define the global technical strategy, architecture, and roadmap for Airwallex’s enterprise and cloud network infrastructure. You will design and deploy highly secure, multi-region hybrid network patterns that bridge physical offices, data centers, and multi-cloud environments (AWS/Alibaba Cloud) at massive scale. Acting as a principal technical leader, you will champion infrastructure-as-code automation (Terraform, Ansible), optimize routing protocols for low-latency financial systems, and mentor engineers across our global infrastructure team.

Responsibilities

Build the foundations of our new corporate network, and help design the team structure and size for the future; Design and build corporate network infrastructure for new Airwallex offices as we expand globally, and upgrade our existing portfolio; Design, implement, and maintain highly available and secure corporate network infrastructure (LAN, WAN, Wireless, VPN) across multiple global offices and regions; Configure on-prem gateway/router/networking hardware globally, including mixed vendors in some locations; Manage global connectivity over international leased lines and domestic internet connections; Lead the configuration and troubleshooting of complex network devices, including routers, switches, firewalls, load balancers, and wireless access points; Own CorpNet, and act as a first-responder or escalation point for complex network issues, running an incident through to completion and after-action reports; Collaborate with cross-functional teams (e.g., CorpSec, ProdSec, Engineering, Product, IT Engineering, Workplace, etc.) to integrate network solutions and support business initiatives; Work with IT Engineering, IT Support on troubleshooting network issues on endpoints, including basic IT operations support, building a core networking understanding among the team; Develop and maintain comprehensive network documentation, including diagrams, configurations, and operational procedures; Evaluate and recommend new networking technologies and solutions to stay ahead of our business growth; Mentor, develop and coach other network engineers and staff, sharing knowledge and fostering skill development within the team – manage underperformers and attract talent; Participate in a global on-call rotation, providing primary response for corp networking issues in a follow-the-sun model; Flexible scheduling (as needed) to support the business and team initiatives -- i.e. participate in network upgrades after-hours or weekend implementation work to minimise business disruption.

Requirements

Senior-level experience with designing, implementing and maintaining Juniper and Palo Alto Networks vendor solutions; Demonstrated experience in a multi/mixed networking vendor environment (Juniper, Palo Alto, Cisco, Aruba, etc.) in a global company; Experience with networking solutions for mainland China and international connectivity; Strong fundamental understanding of wifi technology and endpoint engineering – hardware knowledge a plus (Juniper Mist, Cisco Meraki, Aruba, etc.); Expert understanding of command-line configuration of networking hardware and vendors (JunOS, IOS, etc.)

Nice to have

Strong knowledge of Palo Alto Networks GlobalProtect, Prisma/Prisma Cloud and core networking fundamentals; Managed or lead a team of network engineers – ideally at a startup, from early days to a large corporate footprint, you’ve seen the growth happen and know the problems that come with it; Bachelor’s degree in Information Technology, Computer Science, or a related field, 5+ years of relevant experience in a similar role; Strong, demonstrated written and verbal English communication skills; Understanding of common identity standards, including SAML, OAuth, SSO, etc.; Experience using and understanding of cloud infrastructure (AWS, GCP, etc.); Understanding of RBAC, ABAC, PBAC, ACLs and common access management principles in security and corporate IT environments; Experience working in all SaaS-based systems and applications; Strong understanding of MDM systems (macOS, windows, kandji, JAMF, intune, etc.); Ability to move fast and urgently, making correct decisions and assumptions – sometimes without all the information