Airwallex

Senior Network Engineer, Infrastructure

KR - Seoul. Posted 2 months ago

The role

You will own the network foundations that support engineers, customers, and financial solutions. This involves designing, deploying, and maintaining LAN, WAN, VPN, and cloud networks for a globally distributed platform.

What you will do

  • Design, deploy, and maintain LAN, WAN, VPN, and cloud networks.
  • Operate global connectivity including leased lines, internet connections, and data-centre networks.
  • Configure and troubleshoot routers, switches, firewalls, load balancers, and cloud networking services.
  • Lead network incident response, troubleshooting, post-incident reviews, upgrades, and change activities.
  • Partner with Security, Engineering, IT, and Workplace teams to deliver network solutions.
  • Maintain diagrams, documentation, runbooks, and operational procedures.
  • Participate in a global on-call rotation.

Required qualifications

  • 5+ years of hands-on network engineering experience in a production environment.
  • Strong routing and switching fundamentals, equivalent to CCNA level or above.
  • Experience with BGP, route filtering, subnetting, IPsec VPNs, network troubleshooting, and change management.
  • Practical experience with GCP or AWS networking.
  • Experience with at least two networking vendors, such as Juniper, Cisco, Palo Alto, Aruba, or Arista.
  • Working knowledge of Linux and scripting with Python or Bash.
  • Strong written and verbal English communication skills.
  • A stable employment history with sustained ownership of production systems.

Nice to have

  • GCP experience is preferred for this role.
  • Experience with Terraform, Git, or CI/CD-based infrastructure automation.
  • Experience in banking, fintech, or other regulated, high-availability environments.
  • A relevant networking certification such as CCNA, JNCIA, HCIA, or equivalent.

About the company

Airwallex is the AI-native financial operating system for a real-time, intelligent economy. It provides the regulated backbone for global payments with infrastructure spanning North America, Europe, the Middle East, and Asia-Pacific.