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Senior Network Engineer, Infrastructure

Airwallex· Engineering
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KR - SeoulFull-timePosted 1mo ago

About the role

Senior Network Engineer responsible for designing, deploying, and maintaining Airwallex's LAN, WAN, VPN, and cloud networks; leading incident response; and collaborating with Security, Engineering, IT, and Workplace teams to ensure reliable, secure, and highly available production systems.

Responsibilities

  • Design, deploy, and maintain LAN, WAN, VPN, and cloud networks supporting Airwallex’s globally distributed platform.
  • Operate global connectivity, including leased lines, internet connections, and data-centre networks.
  • Configure and troubleshoot routers, switches, firewalls, load balancers, and cloud networking services across mixed-vendor environments.
  • Lead network incident response, troubleshooting, post-incident reviews, upgrades, and change activities with minimal business disruption.
  • Partner with Security, Engineering, IT, and Workplace teams to deliver reliable network solutions, while maintaining diagrams, documentation, runbooks, and operational procedures.
  • Participate in a global on-call rotation and help ensure our production systems remain secure and highly available.

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; GCP experience is preferred for this role.
  • 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.

Skills

Required:Networking design and implementationRouting and switchingBGP, route filtering, IPsec VPNs

Benefits

  • N/A
Last updated Oct 15, 2026. Interested? Apply on the company site.
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About Airwallex

Trusted Global Payments & Financial Platform

Grow your business faster with Airwallex - global business accounts, high speed transfers, multi-currency cards, online payments, embedded finance, and more.

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