About Our Client The organisation operating in the Infrastructure Sector Job Description Develop network architecture designs that meet business and technical requirements.
Define network standards, principles and design documentation to support consistent delivery.
Review existing network environments and identify practical improvements to performance, resilience and scalability.
Provide technical guidance for network infrastructure projects, from planning through to implementation.
Assess proposed network solutions and provide recommendations that align with architectural requirements.
Work with technology stakeholders to translate business needs into clear network designs.
Maintain architecture roadmaps that guide future network investment and technical decisions.
Resolve complex network design matters and document clear options for decision-makers.
The Successful Applicant A successful 'Principal Network Architect' should have: 12+ years' experience designing and operating large-scale network infrastructure.
Proven experience as a Principal Network Architect, Lead Network Architect,



Distinguished Engineer or similar senior technical role.
Deep expertise across carrier-grade or hyperscale backbone environments.
Solid experience with IP/MPLS, Segment Routing, EVPN and large-scale routing architectures.
Hands-on knowledge of optical transport technologies including DWDM and OTN.
Demonstrated experience designing resilient network architectures with physical-route diversity and SRLG considerations.
Experience leading architecture governance, technical assurance and design reviews.
Strong stakeholder management skills with the ability to engage technical and executive audiences.
Confidence providing clear technical advice on complex network design matters.
Highly Desirable Experience with subsea cable networks and international connectivity.
Exposure to AI, HPC or GPU-driven infrastructure environments.
Experience supporting InfiniBand, RDMA or RoCE-based networking environments.

📌 Principal Network Architect (Sydney)
🏢 Michael Page
📍 Sydney