Senior Site Reliability Engineer, Spend

The role

You will work with product teams in Spend to deliver and maintain scalable, reliable cloud infrastructure. You will lead infrastructure design and delivery for complex projects including launching new services, data centre migrations, and modernising data pipelines.

What you will do

• Improve reliability, performance, observability, and operational readiness across critical systems.
• Partner with development, DevOps, and security teams to build resilient services.
• Own infrastructure design and delivery for new services and roadmap initiatives.
• Drive incident response, automation, team-level SLOs, runbooks, and DevOps performance metrics.
• Deliver reliable infrastructure for complex, cross-functional projects with high availability and compliance requirements.

Required qualifications

• At least 5 years’ experience in an SRE, DevOps, or infrastructure-focused engineering role.
• A bachelor’s degree in Computer Science, Software Engineering, or a related field.
• Expertise in cloud platforms such as AWS or GCP, Kubernetes, observability, and incident response.
• Experience leading SRE strategy for large-scale, cross-functional projects.
• Strong experience supporting production systems with high availability and compliance requirements.
• A proven ability to work closely with developers and guide reliability best practices.
• Experience architecting and implementing cloud infrastructure for new services and roadmap initiatives.
• Experience embedding with development teams to improve reliability, performance, and operational readiness.
• Experience leading incident response, observability, and automation across critical systems.
• Experience owning team-level SLOs, runbooks, and DevOps performance metrics.
• Experience collaborating with central DevOps and security teams to ensure compliance and resilience.

Nice to have

• Experience in a fintech or similarly regulated industry.
• Familiarity with data streaming, analytics pipelines, or financial data systems.

About the company

Airwallex is an AI-native financial operating system for a real-time, intelligent economy. It provides financial infrastructure spanning North America, Europe, the Middle East, and Asia-Pacific.