Senior Network Engineer, Infrastructure

Airwallex
Seoul, South Korea
On-site

Who this role is best for

Geared toward candidates with global networking experience and comfortable with incident response and automation.

Best fit for

  • Candidates with global infrastructure experience and a track record in multi-vendor environments
    — “Demonstrated experience in a multi/mixed networking vendor environment
  • Individuals who can translate complex network concepts to non-technical stakeholders
    — “Ability to translate network technical to non-technical

Things to consider

  • The role requires on-call availability and incident management responsibilities
    — “[REDACTED] a first-responder or escalation point for complex network issues
  • Candidates must be familiar with configuring on-premises hardware globally
    — “Configure on-prem gateway/router/networking hardware globally

How to stand out

  • Highlight incident resolution and cross-functional collaboration in your resume and interviews
    — “Collaborate with cross-functional teams (e.g., CorpSec, ProdSec, Engineering, Product, IT Engineering, Workplace, etc.)
  • Demonstrate experience with BGP and route filtering in your networking projects
    — “Strong understanding of core BGP and route filtering principals
  • Showcase your ability to work with cloud providers and infrastructure tools like Terraform
    — “Comfortable with declarative infrastructure tools, eg: terraform, git ci/cd pipelines
  • Emphasize your scripting and automation skills, especially with Python or Bash
    — “Experience and understanding of scripting languages eg: python, bash
  • Demonstrate your ability to evaluate and recommend new networking technologies
    — “Evaluate and recommend new networking technologies and solutions to stay ahead of our business growth
Pace · SteadyCollaboration · HighAutonomy · MediumDecision Impact · Team

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • successful deployment of global cloud footprint
  • high availability and security of network infrastructure
Typical background
network engineeringinfrastructure management

Skills & requirements

Required

Network DesignCloud InfrastructureNetwork SecurityTroubleshootingCollaborationTeam Management

Preferred

International ConnectivityMixed Vendor Hardware

Stack & domain

Network InfrastructureCloud FootprintHighly Available And Secure Production Network InfrastructureLANWANVPNCloudGlobal Cloud FootprintGlobal ConnectivityInternational Leased LinesDomestic Internet ConnectionsComplex Network DevicesRoutersSwitchesFirewallsLoad BalancersCloud EnvironmentsCollaborationProblem-solvingNetworkSecurity

About the role

Original posting from Airwallex via Ashby

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 250,000 businesses worldwide – including Brex, 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 2,300 of the brightest and most innovative people in tech across 27 offices around the globe. Valued at US$11 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 https://www.airwallex.com/us/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

As the engineering organization matures, the infrastructure teams are key to Airwallex’s ability to build a globally distributed platform, increase engineer productivity, and ensure effective use of resources.

Our team works to provide the best possible experience for our developers and customers while providing a safe and secure environment to ensure that our financial solutions are always available.

This role is based in Seoul, South Korea.

Address: Units 1006, Partners Tower, 83 Gasan digital 1-ro, Geumcheon-gu, Seoul, Republic of Korea, 08589 서울 금천구 가산디지털1로 83, 1006 호(가산동, 파트너스타워)

WHAT YOU’LL DO

  • Build the foundations of our new corporate network, and help design the team structure and size for the future
  • Maintain, design and deploy Airwallex's global cloud footprint, aligning network requirements to regional demands.
  • Design, implement, and maintain highly available and secure production network infrastructure (LAN, WAN, VPN, Cloud) across multiple global data centres and cloud regions.
  • Configure on-prem gateway/router/networking hardware globally, including mixed vendors in some locations
  • Manage global connectivity over international leased lines and domestic internet connections
  • Own the configuration and troubleshooting of complex network devices, including routers, switches, firewalls, load balancers, and cloud environments.
  • Act as a first-responder or escalation point for complex network issues, running an incident through to completion and after-action reports.
  • Collaborate with cross-functional teams (e.g., CorpSec, ProdSec, Engineering, Product, IT Engineering, Workplace, etc.) to integrate network solutions and support business initiatives.
  • Work with IT Engineering, IT Support on troubleshooting network issues on endpoints, including basic IT operations support, building a core networking understanding among the team
  • Develop and maintain comprehensive network documentation, including diagrams, configurations, and operational procedures.
  • Evaluate and recommend new networking technologies and solutions to stay ahead of our business growth
  • Participate in a global on-call rotation, providing primary response for production and infrastructure issues
  • Flexible scheduling (as needed) to support the business and team initiatives -- i.e. participate in pre-scheduled network upgrades, work to minimise business disruption

WHO YOU ARE

MINIMUM QUALIFICATIONS: MUST HAVES

  • CCNP / JNCIP level experience showing a strong networking foundation
  • Demonstrated experience in a multi/mixed networking vendor environment (Juniper, Palo Alto, Cisco, Aruba, etc.) in a global company
  • Experience and understanding of scripting languages eg: python, bash
  • Event driven automation experience a plus
  • Comfortable with declarative infrastructure tools, eg: terraform, git ci/cd pipelines
  • Strong documentation habits and understanding of change control processes
  • AWS and/or GCP experience, solid experience with both is a plus.
  • Understanding of AI assisted workflows and use cases
  • Solid understanding of command-line configuration of networking hardware and vendors (JunOS, IOS, etc.)
  • Willingness to learn new technologies and skills
  • Strong understanding of core BGP and route filtering principals
  • Outcome oriented approach

PREFERRED QUALIFICATIONS:

  • Experience in working with greater technical team outside of networking
  • Ability to translate network technical to non-technical
  • Strong knowledge of Linux Distributions
  • Bachelor’s degree in Information Technology, Computer Science, or a related field, 5+ years of relevant experience in a similar role
  • Strong, demonstrated written and verbal English communication skills,
  • Experience using and understanding of other cloud infrastructure (Aliyun, azure, etc.)
  • Experience working in all SaaS-based systems and applications
  • Ability to move fast and urgently, making correct decisions and assumptions – sometimes without all the information
  • Ability to assess the impact of changes and incidents and manage accordingly
  • Familiarity with elastic connectivity providers
  • Familiarity with datacentre providers, access and conduct requirements.
  • A builder mindset a strong plus
  • Experience with IPSEC VPN setup and troubleshooting
  • Experience with fintech, finance and adjacent high availability networks

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 http://airwallex.com email address. Please apply only through careers.airwallex.com http://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.

Source: Airwallex careers (Ashby)

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