Site Reliability Engineer, Foundations

Staff Site Reliability Engineer, Spend Foundations

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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 150,000 businesses worldwide – including Brex, Rippling, 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 1,800 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US $6.2 billion and backed by world‑leading investors including Visa, Airtree, Blackbird, Sequoia, DST Global, Greenoaks, Salesforce Ventures, Lone Pine, and Square Peg, 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
The Engineering team at Airwallex is a diverse group of innovators, builders, and problem solvers, driven by a mission to empower businesses to operate anywhere, anytime. We thrive in a collaborative and fast‑paced environment, constantly pushing the boundaries of what’s possible in financial technology. We value technical craftsmanship, continuous learning, and strong ownership, building scalable, reliable, and secure products that enable global business growth.

Our SRE team pioneers new engineering solutions to complex challenges, setting standards and frameworks for other teams. We take ownership of the availability, performance, monitoring, and capacity planning of our global services, driving operational excellence at scale.

What You’ll Do
As a Staff Site Reliability Engineer
, you will be a technical leader and strategist within the SRE function, shaping the future of Airwallex’s reliability and infrastructure landscape. You’ll partner closely with product and engineering leadership to define the SRE roadmap, driving large‑scale infrastructure projects and reliability initiatives that have global impact. You will mentor senior engineers, lead cross‑team collaborations, and influence engineering culture and processes across the company.

You’ll own the architecture and delivery of highly complex infrastructure systems, lead incident management at the highest level, and champion automation, observability, and operational excellence across critical services.

Responsibilities

• Drive the strategic vision and roadmap for Site Reliability Engineering at Airwallex, aligned with business objectives and product goals.
• Architect and oversee the implementation of highly scalable, secure, and resilient cloud infrastructure for new services and platform‑wide initiatives.
• Lead and mentor senior engineers and cross‑functional teams in reliability engineering best practices, automation, and incident management.
• Champion and evolve operational excellence through advanced observability, SLO management, runbooks, and proactive risk mitigation.
• Lead incident response for high‑severity incidents, facilitating post‑mortems and driving continuous improvements.
• Collaborate closely with Product, Engineering, Security, and Dev Ops leadership to ensure compliance, resilience, and alignment across functions.
• Influen…