Senior Cloud Network Engineer

AIRWALLEX (SINGAPORE) PTE. LTD.; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

A leading fintech company in Singapore is seeking a Senior/Staff Network Engineer to design and operate network environments essential for its financial infrastructure. The ideal candidate will have over 6 years of experience in network planning, design, and operations, with strong skills in BGP, IPsec, and cloud networking. As a key player, you will ensure high-performance networks that meet stringent regulatory standards while collaborating with multiple teams to enhance operational efficiency.

Qualifications

• 6+ years of experience in enterprise‑scale network planning, design, and operations.
• Hands‑on with mainstream switching, routing, and firewall platforms.
• Experience with public cloud networking and interconnects.

Responsibilities

• Plan, design, build, and operate the network environments across cloud and data centers.
• Define and implement cybersecurity strategies and controls.
• Deploy and operate network monitoring/observability.

Skills

Network planning

Design

Operations

BGP

IPsec

MPLS

Automation (Golang or Python)

Analytical skills

Education

Bachelor’s degree in Computer Science or related field

Tools

AWS

Google Cloud

Terraform

Ansible

Job description

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 100,000 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 1,500 of the brightest and most innovative people in tech located across more than 20 offices across the globe. Valued at US$5.6 billion and backed by world‑leading investors including Sequoia, Lone Pine, Greenoaks, DST Global, Salesforce Ventures and Mastercard, 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.

About the team

As Airwallex’s engineering organization matures, our Infrastructure teams are pivotal to building a globally distributed platform, increasing engineer productivity, and ensuring effective use of resources. We strive to deliver the best possible experience for our developers and customers while maintaining a safe and secure environment so our financial solutions are always available.

The Networking team delivers a reliable and secure cloud and physical network that underpins Airwallex’s global financial infrastructure.

About the role

As a Senior/Staff Network Engineer, you will be a senior individual contributor collaborating with key domain teams such as Payments Platform, Tech Platform, and GTPN Platform to deliver high‑quality solutions and uphold an SLA higher than 99.999%. You will leverage modern tooling to streamline delivery and ensure our network meets regulatory expectations.

Responsibilities

• Plan, design, build, and operate the network environments that power Airwallex’s financial infrastructure across cloud and data centers.
• Cross‑connect IDCs and public clouds to build and maintain a global, high‑performance network.
• Define and implement cybersecurity strategies and controls to satisfy compliance and audit requirements.
• Deploy and operate network monitoring/observability to rapidly detect and troubleshoot faults and performance issues.
• Manage and secure network and security hardware (e.g., switches, routers, HSMs) across environments.
• Partner with domain teams to plan changes, execute safe rollouts, and continuously improve reliability and efficiency of network services in regulated environments.

Who you are

We’re looking for people who meet the minimum qualifications below. Preferred qualifications are great to have, but not mandatory.

Qualifications

• 6+ years of experience in enterprise‑scale network planning, design, and operations.
• Bachelor’s degree (or above) in Computer Science, Networking, or a related field.
• Hands‑on with mainstream switching, routing, and firewall platforms; strong proficiency in BGP, IPsec, and MPLS.
• Experience with public cloud networking and interconnects (e.g., AWS and Google Cloud).
• Proficiency in at least one programming language for automation (Golang or Python).
• Strong analytical skills with the ability to independently diagnose and resolve complex network issues.

Preferred qualifications

• CCIE or JNCIE certification.
• Familiarity with Equinix and Megaport for global interconnects.
• Experience with infrastructure‑as‑code and GitOps tooling, such as Terraform, Ansible, ArgoCD, and Helm.