Senior Cloud Engineer (Networking), Infra (AWS/GCP)

Location: Singapore; work from the Singapore office

Company

Airwallex builds an AI-native financial operating system and regulated infrastructure for global payments and financial products.

What you will do

• Design, build, and optimize highly available multi-account and multi-region AWS and GCP network architectures.
• Automate cloud network infrastructure with Terraform and Git-driven CI/CD pipelines.
• Manage BGP routing, IPsec VPNs, and dynamic connectivity between cloud providers, regional points of presence, and external banking partners.
• Improve network reliability and visibility, act as an escalation point for complex incidents, and participate in a global on-call rotation.
• Partner with Security, DevOps, and Platform teams to build secure landing zones and automated network controls.

Requirements

• Hands-on experience designing and operating AWS networking at scale, including VPC, Transit Gateway, route tables, Direct Connect, and AWS Network Firewall.
• Proficiency with Terraform or equivalent infrastructure-as-code tools.
• Practical GCP networking or multi-cloud experience, including Shared VPC and Cloud Router.
• Experience with Linux, Python or Bash scripting, and CI/CD pipelines.
• Strong knowledge of routing, switching, subnetting, TCP/IP, and BGP dynamic routing.
• Associate-level networking certification or equivalent hands-on experience.

Nice to have

• Experience in fintech, banking, or high-availability financial networks with strict information security requirements.
• Advanced networking certifications such as CCNP, JNCIP, AWS Certified Advanced Networking – Specialty, or equivalent.
• Experience with AI-assisted workflows and modern operational tools.

Culture & Benefits

• Work with a globally distributed team across APAC and EMEA time zones.
• Own the roadmap and outcomes while simplifying complex infrastructure problems.
• Participate in global on-call operations for highly reliable and secure systems.
• Collaborate with Infrastructure, Security, DevOps, and Platform teams.