Senior Data Center Networking Architect (Subject Matter Expert)

  • Singapore
  • Negotiable
  • Permanent
  • Discipline: Cloud and Infrastructure
  • Ref: 50357

Senior Data Center Networking Architect (Subject Matter Expert)

About the Team

The Networking team brings together expertise across network architecture, software-defined networking (SDN), network virtualization, and high-speed connectivity to build hyperscale infrastructure serving billions of users globally.

This team is responsible for designing and evolving next-generation data center networking architectures that deliver high performance, scalability, and resilience at global scale.


Role Overview

We are seeking a Senior Data Center Networking Architect (SME) with deep expertise in designing and architecting large-scale data center networks.

This role will focus on end-to-end network architecture, driving design standards, scalability strategies, and next-generation network evolution across hyperscale environments.

You will operate as a technical authority, influencing architecture decisions across data center, backbone, cloud, and edge networks.


Key Responsibilities

  • Lead the architecture and design of hyperscale data center networks, including:
    • Spine-leaf / CLOS architectures
    • Fabric design and scalability models
    • High availability and fault-tolerant designs
  • Define and drive network architecture standards, design principles, and best practices across global deployments
  • Architect high-performance, low-latency, and highly scalable network fabrics to support massive workloads
  • Design and optimize Layer 2 / Layer 3 network architectures, including:
    • BGP, EVPN-VXLAN overlays
    • MPLS and traffic engineering strategies
    • Underlay/overlay design
  • Lead network evolution initiatives, including:
    • Disaggregated networking
    • SDN and network automation
    • Intent-based networking
  • Collaborate with cross-functional teams (compute, storage, SRE, platform engineering) to ensure seamless integration of network architecture with infrastructure and applications
  • Work closely with vendors, ODMs, and chipset providers on:
    • Hardware/software co-design
    • Network device evaluation and validation
  • Provide SME-level guidance on:
    • Capacity planning and scaling strategies
    • Network performance optimization
    • Failure domain isolation and resiliency
  • Contribute to global network strategy, including backbone, inter-DC connectivity, and hybrid cloud networking
  • Travel may be required (15–30%)

Minimum Qualifications

  • Bachelor’s degree in Computer Science, Engineering, or related field
  • 10–15+ years of experience in network design and architecture, with strong focus on data center environments
  • Proven experience designing hyperscale data center networks
  • Deep expertise in:
    • TCP/IP, BGP, OSPF, IS-IS
    • EVPN-VXLAN and modern DC fabrics
    • MPLS and traffic engineering
  • Strong understanding of CLOS/spine-leaf architectures at scale
  • Experience with network observability and telemetry (SNMP, NetFlow/sFlow, streaming telemetry)
  • Hands-on experience with major network vendors and/or whitebox/disaggregated networking
  • Ability to operate as a technical leader and SME across global teams

Preferred Qualifications

  • Experience in hyperscale or cloud environments
  • Strong knowledge of SDN, automation, and programmability (Python, APIs)
  • Familiarity with merchant silicon (e.g., Broadcom, Barefoot)
  • Experience with multi-cloud networking (AWS, GCP, Azure, etc.)
  • Understanding of IPv6 and dual-stack architectures

What We’re Looking For

  • A true SME in Data Center Networking Architecture
  • Someone who designs at scale, not just operates networks
  • Strong ability to translate business growth into scalable network design
  • Experience influencing architecture decisions across global infrastructure

Apply for this job

We are an inclusive organisation and actively promote equality of opportunity for all with the right mix of talent, skills, and potential. We welcome all applications from a wide range of candidates. Selection for roles will be based on individual merit alone.

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