Security jobs in Singapore

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.

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.

[Who We are]

The Airwallex Infra team is a group of highly skilled, innovative, and collaborative professionals dedicated to creating and maintaining a cutting‑edge, secure, and scalable infrastructure that supports our cross‑border payment solutions. The team brings together experts in Kubernetes, service mesh, cloud platforms, and middlewares, all working seamlessly to ensure the highest levels of performance, reliability, and security. Committed to constant improvement, the Cloud Infra team is pivotal to Airwallex's mission to empower businesses worldwide by providing a robust and efficient financial technology platform.

• Infrastructure Development: Design and implement new cloud infrastructure services, tools, and platforms. Leverage cutting‑edge technologies such as Kubernetes and Terraform to automate the provisioning and management of cloud resources, ensuring a programmatic approach that prioritizes speed, security, and efficiency.
• Security Compliance and Audits: Ensure that all cloud infrastructure complies with industry‑standard security protocols and company policies. Regularly conduct security audits to identify and mitigate risks, ensuring that our infrastructure meets strict financial regulatory standards.
• Cost Optimization: Continuously monitor and optimize cloud spending. Implement cost‑saving measures without compromising on performance or security, utilizing tools and practices such as cost allocation tagging, reserved instances, and scalable architectures.
• Disaster Recovery and Business Continuity: Develop and maintain robust disaster recovery plans, including regular testing and updates. Ensure that business continuity mechanisms are in place and effective, minimizing downtime and data loss in case of unexpected incidents.
• Mentorship and Leadership: Share your expertise with the team, mentoring colleagues and guiding them in skill development to enhance the overall capabilities of the Cloud Infrastructure team.
• Sustainability Initiatives: Advocate for and implement sustainability practices within the infrastructure domain. Explore and integrate solutions that reduce the environmental impact of our operations, aligning with the company’s sustainability goals.

• Over 8 years of experience in high‑performance, distributed systems.
• Bachelor's degree or higher in computer science or related fields.
• Strong expertise in working on building Infrastructure as Code (IaC).
• In‑depth knowledge of Kubernetes, K8s Operator development, and containerization technologies.
• Expertise in Golang, Python or other programming languages.
• Excellent problem‑solving skills and the ability to identify and resolve potential issues and vulnerabilities in a proactive manner.
• Strong communication and collaboration skills, with the ability to work effectively in cross‑functional teams and share knowledge and expertise with others.

• Experience in writing custom kubernetes operators
• Experience with Istio service mesh
• Experience with GitOps, such as ArgoCD
• Relevant certifications in Kubernetes, or cloud platforms (e.g. Aliyun, GCP, AWS or Azure).

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.

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.