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Senior Cloud Infrastructure Engineer (Cloud Networking)

Airwallex
Singapore, Singapore Full Time Negotiable Sep 19, 2026

About the Job

Proudly founded in Melbourne, we have a team of over 2,300 of the brightest and most innovative people in tech across 27 offices around the globe. Valued at US$11 billion and backed by world-leading investors including T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and...

We hire successful builders with founder-like energy who want real impact, accelerated learning, and true ownership. You bring strong role-related expertise and sharp thinking, and you’re motivated by our mission and operating principles. You move fast with good judgment, dig deep with curiosity, and make decisions ...

You're humble and collaborative; turn zero‑to‑one ideas into real products, and you “get stuff done” end-to-end. You use AI to work smarter and solve problems faster. Here, you’ll tackle complex, high‑visibility problems with exceptional teammates and grow your career as we build the future of global banking. If tha...

Key Responsibilities

Cloud Network Architecture: Design, build, and optimize highly available, multi-account, and multi-region AWS and GCP cloud network architectures (Layer 3 routing, Transit Gateway, Shared VPC, Cloud Router, Direct Connect).
Infrastructure as Code (IaC): Automate and manage global cloud network infrastructure using Terraform through Git-driven CI/CD pipelines.
Hybrid & Cross-Cloud Connectivity: Manage BGP routing, IPsec VPNs, and dynamic cloud routing between public clouds (AWS/GCP), regional POPs, and external banking partners under strict financial regulatory requirements.
Operational Excellence & Observability: Serve as an escalation point for complex cloud networking issues, improve network visibility, and participate in a global on-call rotation.
Cross-functional Collaboration: Work closely with Security, DevOps, and Platform teams to build secure Landing Zones and automated network controls.

Required Skills & Abilities

Solid AWS Design Experience: hands-on experience designing and operating AWS network environments at scale (VPC, TGW, Route Tables, Direct Connect, AWS Network Firewall).
Infrastructure as Code: Proficiency in Terraform (or equivalent IaC tools) for provisioning and automating cloud network components.
GCP / Multi-Cloud Exposure: Practical experience with GCP networking concepts (Shared VPC, Cloud Router) or multi-cloud environments.
DevOps Alignment: Familiarity with Linux distributions, scripting (Python or Bash), and CI/CD pipelines.
Networking Fundamentals: Strong knowledge of core routing and switching, subnetting, TCP/IP, and BGP dynamic routing principles.
Certification / Experience: Holds or has equivalent hands-on experience equal to Associate-level networking certifications (e.g., CCNA, JNCIA-Junos, HCIA, Aruba ACA, Network+, or AWS Certified Advanced Networking - Specialty / GCP PCNE).
Experience in Fintech, local banking, or high-concurrency/high-availability financial networks with strict information security requirements.
Familiarity with GCP-preferred architectures
Advanced certifications (CCNP/JNCIP or AWS Certified Advanced Networking - Specialty).
AI-assisted workflows and modern operational tools integration.
To protect you from recruitment scams, please be aware that Airwallex will not ask for bank details, sensitive ID numbers (i.e. passport), or any form of payment during the application or interview process. All official communication will come from an @airwallex.com email address. Please apply only through careers.airwallex.com or our official LinkedIn page.
Airwallex does not accept unsolicited resumes from search firms/recruiters. Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s). Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition, regardless of any other provision to the contrary.

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