Senior Site Reliability Engineer, Spend

Airwallex; City of Melbourne; On-site; AUD 150,000 - 220,000; Full time

Job summary

Airwallex is seeking a Senior Site Reliability Engineer to design, build and scale cloud infrastructure to support global product initiatives. You will align with roadmaps, lead infrastructure delivery for complex projects, and collaborate with product, DevOps and security teams to ensure reliability and resilience.

The role requires 6+ years in SRE/DevOps, strong cloud and Kubernetes expertise, and a track record of leading cross-functional initiatives in large-scale environments.

Qualifications

• 6+ years in an SRE/DevOps or infra role.
• Bachelor degree in CS/Software Engineering or related field.
• Expertise in AWS or GCP, Kubernetes, observability, and incident response.
• Able to lead SRE strategy for large-scale, cross-functional projects.
• Experience maintaining highly available production systems.
• Experience collaborating with developers to improve reliability.

Responsibilities

• Architect and implement cloud infrastructure for new services and roadmap initiatives.
• Embed with development teams to drive reliability, performance, and operational readiness.
• Lead incident response, observability, and automation across critical systems.
• Own team-level SLOs, runbooks, and DevOps performance metrics.
• Collaborate with central DevOps and security teams to ensure compliance and resilience.

Skills

SRE/DevOps experience

Cloud platforms AWS/GCP

Kubernetes

Observability

Incident response

Lead cross-functional projects

Collaborate with developers

Education

Bachelor's degree CS/Software Eng

Tools

AWS

GCP

Kubernetes

Observability tools

Job description

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 200,000 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.

What You’ll Do

As a Senior Site Reliability Engineer, you’ll work closely with product teams in Spend to deliver and maintain scalable, reliable cloud infrastructure in support of key product initiatives. Aligned to the roadmap, you’ll lead on infrastructure design and delivery for complex, high-risk projects such as launching new services, executing global data centre migrations, and modernising data pipelines. This role is based in Singapore.

Responsibilities

• Architect and implement cloud infrastructure for new services and roadmap initiatives.
• Embed with development teams to drive reliability, performance, and operational readiness.
• Lead incident response, observability, and automation across critical systems.
• Own team-level SLOs, runbooks, and DevOps performance metrics.
• Collaborate with central DevOps and security teams to ensure compliance and resilience.

Minimum Qualifications

• 6+ years in an SRE, DevOps, or infrastructure-focused engineering role.
• Bachelor degree in Computer Science, Software Engineering, or a related field.
• Expertise in cloud platforms (AWS/GCP), Kubernetes, observability, and incident response.
• Able to lead SRE strategy for large-scale, cross-functional projects.
• Strong experience supporting production systems with high availability and compliance requirements.
• Proven ability to work closely with developers and guide reliability best practices.

Preferred Qualifications

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

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.

Compensation Range: A$150K - A$220K