Senior Cloud Infra Engineer (Cloud Networking)

Posted 21 Days Ago
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Singapore, SGP
In-Office
Senior level
Artificial Intelligence • Fintech • Payments • Business Intelligence • Financial Services • Generative AI
Do the most ambitious work of your career. Airwallex is building the future of global banking.
The Role
Designs and operates highly available, multi-account, multi-region AWS and GCP cloud networks. Automates infrastructure with Terraform and Git-driven CI/CD, manages BGP, IPsec VPN, hybrid and cross-cloud connectivity, and supports secure landing zones. Serves as an escalation point for complex networking incidents, improves observability, participates in global on-call rotations, and collaborates with Security, DevOps, and Platform teams.
Summary Generated by Built In
About Airwallex

Airwallex is the AI-native financial operating system for a real-time, intelligent economy. More than 675,000 businesses, including McLaren Racing, Qantas, SHEIN, and TikTok, use us, directly or through our platform partners, to run their financial operations or build and monetize financial products of their own.

We started in Melbourne in 2015 to build the infrastructure global commerce runs on. We're the regulated backbone behind global payments: not by accident, but by design. A decade plus, 85+ licenses, and a financial infrastructure spanning North America, Europe, the Middle East, and Asia-Pacific.

We're co-headquartered in San Francisco and Singapore, with more than 2,300 people across 27 offices. We hire builders with founder-level energy, people who move fast with good judgment, dig in with real curiosity, and make calls from first principles rather than waiting to be told what to do. Read our operating principles to see it in full.

 
About the Team

As Airwallex’s engineering organization matures, the Infrastructure team builds and scales our globally distributed financial platform. We focus on high availability, security, and cloud scalability while empowering developer productivity across global regions.

What You’ll Do
  • 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.

Requirements

1. Cloud & DevOps Experience

  • 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.

2. Networking Fundamentals

  • 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).

Nice to Haves
  • 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.

Applicant Safety Policy: Fraud and Third-Party Recruiters

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.

Equal opportunity

Airwallex is proud to be an equal opportunity employer. We value diversity and anyone seeking employment at Airwallex is considered based on merit, qualifications, competence and talent. We don’t regard color, religion, race, national origin, sexual orientation, ancestry, citizenship, sex, marital or family status, disability, gender, or any other legally protected status when making our hiring decisions. If you have a disability or special need that requires accommodation, please let us know.

Skills Required

  • Hands-on experience designing and operating AWS network environments at scale, including VPC, Transit Gateway, route tables, Direct Connect, and AWS Network Firewall
  • Proficiency with Terraform or equivalent infrastructure-as-code tools
  • Practical experience with GCP networking concepts such as Shared VPC and Cloud Router, or experience in multi-cloud environments
  • Familiarity with Linux distributions, Python or Bash scripting, and CI/CD pipelines
  • Strong knowledge of routing and switching, subnetting, TCP/IP, and BGP dynamic routing principles
  • Associate-level networking certification or equivalent hands-on experience, such as CCNA, JNCIA-Junos, HCIA, Aruba ACA, Network+, AWS Certified Advanced Networking Specialty, or GCP PCNE
  • Experience in fintech, local banking, or high-concurrency/high-availability financial networks
  • Familiarity with GCP-preferred architectures
  • Advanced certification such as CCNP, JNCIP, or AWS Certified Advanced Networking Specialty
  • Experience with AI-assisted workflows and modern operational tool integrations

What the Team is Saying

Airwallex Compensation & Benefits Highlights

  • Healthcare Strength — Available descriptions highlight medical, dental, vision, life, disability, and mental‑health/EAP coverage for U.S. employees, with Modern Health/Rula noted in eligible markets. Feedback suggests this comprehensive core health coverage is a standout element of the package.
  • Leave & Time Off Breadth — U.S. postings cite 20 vacation days plus 12 company holidays, alongside birthday leave and three volunteer days in some locations. These policies are portrayed as generous and complemented by flexible remote‑work options in approved locations.
  • Equity Value & Accessibility — Eligible employees may receive RSUs or stock options in many markets, with U.S. materials noting RSUs via Carta and performance‑based bonuses. Feedback suggests this ownership component is a key part of total compensation.

Airwallex Insights

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The Company
HQ: San Francisco, CA
2,700 Employees
Year Founded: 2015

What We Do

Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 250,000+ businesses worldwide – including Brex, Navan, Qantas, SHEIN, McLaren and many more – with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale. 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 Lone Pine Capital, Airwallex is leading the charge in building the global payments and financial platform of the future. If you’re ready to do the most ambitious work of your career, join us.

Why Work With Us

Airwallex was founded by people told their idea was unreasonable, and we've hired that way ever since. We move fast, think globally, and give you ownership from day one. If you want to pioneer global finance at scale alongside the ambitious, let's talk.

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About our Teams

Airwallex Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

At a global level, we have a strong in-office culture. We’ve invested in world-class office space in hub cities around the world. We see the benefits of in-person conversation, mentoring, and knowledge-transfer as vital to our long-term success.

Typical time on-site: Not Specified
HQSan Francisco, US
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HQSingapore
Hong Kong, CN
Tokyo, JP
Sydney, AU
Bangalore, IN
Amsterdam, NL
Auckland, NZ
Kuala Lumpur, MY
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Melbourne, VIC
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New York City, US
Tel Aviv, IL
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Toronto, CA
Vilnius, LT
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