Senior Cloud Network Engineer, Infra

About Airwallex

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 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.

Attributes We Value

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 from first principles, balancing speed and rigor.

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 that sounds like you, let’s build what’s next.

About the team

As the engineering organization matures, the infrastructure teams are key to Airwallex’s ability to build a globally distributed platform, increase engineer productivity, and ensure effective use of resources.

Our team works to provide the best possible experience for our developers and customers while providing a safe and secure environment to ensure that our financial solutions are always available.

What you’ll do

• Maintain and expand Airwallex’s global cloud network infrastructure into new regions and markets while adhering to strict regulatory and compliance requirements.

• Help design the team structure and size for the future.

• Mentor and train junior engineers.

• Design, implement, and maintain highly available and secure production network infrastructure across LAN, WAN, VPN, and cloud environments spanning multiple global data centres and cloud regions.

• Manage global connectivity over international leased lines and domestic internet connections.

• Own the configuration and troubleshooting of complex network devices, including routers, switches, firewalls, load balancers, and cloud environments.

• Act as a first responder or escalation point for complex network issues, running incidents through to completion and producing after-action reports.

• Collaborate with cross-functional teams, including InfoSec, DevOps, Database, Corporate IT, and Facilities, to integrate network solutions and support business initiatives across multiple regions.

• Work with technical and non-technical teams to troubleshoot network issues across physical and cloud environments.

• Develop and maintain comprehensive network documentation, including diagrams, configurations, and operational procedures.

• Evaluate and recommend networking technologies and solutions to support business growth.

• Participate in a global on-call rotation, providing primary response for production and infrastructure issues.

• Support pre-scheduled network upgrades and other flexible scheduling requirements as needed to minimise business disruption.

• Investigate and propose practical solutions to improve the networking team’s visibility and operational capabilities.

Must haves

• CCNP / JNCIP-level experience demonstrating a strong networking foundation.

• Demonstrated experience in a mixed networking-vendor environment, such as Juniper, Palo Alto, Cisco, Aruba, or equivalent, in a global company.

• Strong AWS network design and operations experience, with at least 3 years working with AWS networking in production.

• Strong documentation habits and an understanding of change-control processes.

• Basic understanding of GCP networking concepts.

• Understanding of AI-assisted workflows and practical use cases.

• Solid understanding of command-line configuration and troubleshooting for networking hardware and vendors, including JunOS, IOS, or equivalent.

• Willingness to learn new technologies and skills.

• Strong understanding of core BGP and route-filtering principles.

• An outcome-oriented approach.

• Collaborative and supportive work habits.

• Ability to assess the impact of changes and incidents and manage them appropriately.

Nice to haves

• Strong GCP experience.

• Experience working with broader technical teams outside of networking.

• Ability to translate network concepts for non-technical stakeholders.

• Strong knowledge of Linux distributions.

• Experience with scripting languages such as Python or Bash.

• Event-driven automation experience.

• Comfort with declarative infrastructure tools such as Terraform and Git-based CI/CD pipelines.

• Bachelor’s degree in Information Technology, Computer Science, or a related field, and 5+ years of relevant experience in a similar role.

• Strong, demonstrated written and verbal English communication skills.

• Experience with other cloud infrastructure providers such as Aliyun or Azure.

• Ability to move quickly and urgently while making sound decisions and assumptions, sometimes without all the information.

• Familiarity with elastic connectivity providers.

• Familiarity with data-centre providers, access requirements, and conduct requirements.

• A builder mindset.

• Experience with IPsec VPN setup and troubleshooting.

• Experience with fintech, finance, or adjacent high-availability networks.

• Experience working within strict compliance restrictions and information-security policies.

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.