Senior DevOps Engineer, Infrastructure

DevOps Engineer · Senior · Full Time

SG - Singapore4mo ago
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Role

What you'll do.

Senior DevOps Engineer position at Airwallex focused on building reliable cloud infrastructure, managing Kubernetes clusters, and developing self-service platforms. The role requires expertise in public cloud, service mesh technologies, and programming skills to support global payment platform scaling.

Responsibilities

  • DevOps Strategy Leadership: Lead the design and implementation of comprehensive DevOps strategy for global scaling
  • Cloud Infrastructure Development: Develop and evolve cloud infrastructure optimized for performance, scalability, and security
  • Cross-Functional Collaboration: Work closely with engineering teams to support 10x business growth initiatives
  • Operational Platform Management: Manage large-scale Kubernetes clusters and ensure service reliability
  • Observability Implementation: Develop observability and detection capabilities to reduce problem discovery time
  • Standards Consensus Building: Build consensus among global DevOps teams on tools, practices, and standards
  • Self-Service Platform Creation: Create and enhance tooling platforms to empower engineering teams
  • Service Mesh Management: Manage Istio service mesh for traffic management and architecture optimization

Qualifications

What we look for.

Technical

  • Programming Proficiency

    Hands-on experience with Python, Ansible, or shell scripting

  • Software Engineering Background

    Infrastructure or Platform Engineering experience with cost and access management

  • Operations Expertise

    Service Mesh (Istio) and Kubernetes operations experience

  • Public Cloud Mastery

    Expert-level knowledge of public cloud platforms and large-scale K8s clusters

  • Service Mesh Architecture

    Deep understanding of Istio service mesh and traffic management

  • Infrastructure Reliability

    Experience in service registry, discovery, and reliability engineering

Education

  • Technical Degree

    Bachelor's degree in Computer Science, Engineering, or related technical field preferred

Experience

  • Senior Level Experience

    5-6 years of DevOps or Infrastructure engineering experience

  • System Design Capability

    Ability to solve coding and system design problems independently

  • Self-Service Platform Development

    Proven track record in building developer-facing platforms and tools

Skills

Required

  • Python Programming

    Proficiency in Python for automation and infrastructure tooling

  • Kubernetes Operations

    Expert-level Kubernetes cluster management and operations

  • Istio Service Mesh

    Deep expertise in Istio for traffic management and service architecture

  • Public Cloud Platforms

    Extensive experience with AWS, GCP, or Azure cloud infrastructure

  • Infrastructure as Code

    Ansible and infrastructure automation expertise

  • Observability Tools

    Monitoring, logging, and detection system implementation

  • Service Discovery

    Service registry and discovery architecture knowledge

Preferred

  • Cost Management

    Nice to have

    Cloud cost optimization and financial operations experience

  • Access Management

    Nice to have

    Identity and access management system design

  • Self-Service Platforms

    Nice to have

    Developer experience and platform engineering

  • Shell Scripting

    Nice to have

    Advanced bash/shell scripting for system automation

  • Traffic Management

    Nice to have

    Advanced networking and traffic routing expertise

Tech stack

Languages

PythonShell ScriptingAnsible

Frameworks

IstioService Mesh Architecture

Tools

KubernetesPublic Cloud PlatformsObservability ToolsService RegistryCost Management Tools

Other

Infrastructure as CodeCI/CD PipelinesSelf-Service Platforms

Compensation

Pay and benefits.

Benefits

  • Global Impact

    Work on infrastructure supporting 200,000+ businesses worldwide

  • Career Growth

    Accelerated learning opportunities in a fast-growing fintech company

  • Innovative Environment

    Work with cutting-edge technology and exceptional teammates

  • Equal Opportunity

    Diverse and inclusive workplace valuing merit and talent

  • Global Presence

    Collaborate with teams across 26 offices worldwide

Process

Interview steps.

  1. 01

    Initial Screening

    Phone or video screening to assess basic qualifications and cultural fit

  2. 02

    Technical Assessment

    Hands-on technical evaluation of DevOps and infrastructure skills

  3. 03

    System Design Interview

    Architecture discussion focusing on large-scale infrastructure design

  4. 04

    Team Interview

    Meet with DevOps team members and cross-functional stakeholders

  5. 05

    Final Interview

    Senior leadership discussion about strategic vision and leadership capabilities

Full posting

Original listing.

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 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.

Proudly founded in Melbourne, we have a team of over 2,000 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$8 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

The DevOps team has a vision of building a reliable and effective cloud infrastructure for AWX services. They manage K8s clusters for domain services and maintaining its reliability. Additionally, they create and enhance tooling and platforms to empower the engineering team with improved self-service capabilities.

This role is based in Singapore.

What You’ll Do

  • As a DevOps engineer in the team, you will be responsible for leading the design of our DevOps strategy, and working closely with cross-functional teams to develop and evolve the cloud infrastructure optimized for performance, scalability and security in order to support our next 10x growth.

  • You will bring to the team a level of expertise in operational platform management, developing observability and detection capabilities that will decrease time to discover problems and allow our teams to increase stability and not sacrifice agility or security.

  • A key aspect of this position will be building consensus amongst DevOps Engineers across geographies in different feature teams about the tools and practices we use, and evolving that consensus into agreed standards.

Who we want to hire?

If you have the following skills, apply to join the Airwallex DevOps team!

  1. You are a DevOps engineer and hands-on experience with at least one programming language (Python/Ansible/shell).

  2. You have a software engineering background(Infra/Platform Engineer), and have experience in cost management, access management, and self-service platform development

  3. You have an operations background(Service Mesh Istio & K8s), and experience in traffic management and architecture of service mesh

  4. You are an expert in public cloud, large-scale K8s clusters and services, Istio service mesh, service registry, service discovery, Infra, and Service Reliability

For Staff level, we expect you to have around 10 years or at least 8 years experience. You should be able to demonstrate more in - depth understanding in the complexity of projects and the design of code systems.

For Senior level, we expect you to have around 6 years or at least 5 years experience. You should be able to solve problems related to coding and system design independently.

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.

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