Principal Network Architect, Backbone Network

About the role

<p><strong>Firmus Technologies</strong></p> <p>Firmus Technologies is a global leader pioneering the development and operation of efficient AI infrastructure across Asia Pacific.&nbsp;</p> <p>Founded in Australia in 2019, our mission is to create the most efficient AI infrastructure by combining cutting-edge technology with a steadfast commitment to sustainability.</p> <p>At Firmus, we are unique in our approach. We design, build, and operate a new class of digital infrastructure – the AI Factory. Through our model-to-grid technology approach, we have pushed the boundaries of multi-generational liquid cooling systems, energy management, AI software orchestration, and construction. For our customers</p> <p><strong>Firmus AI Cloud</strong></p> <p>Our large-scale GPU cloud platform, Firmus AI Cloud, is purpose-built to deliver energy-efficient AI compute at scale to customers.</p> <p>It empowers developers, enterprises, educational institutions, and government users to train and deploy AI models with unmatched efficiency and cost savings. With an ever-growing suite of services and applications, we are committed to delivering a cloud experience that is market-leading, proprietary, and built to scale.</p> <p>&nbsp;</p> <p><strong>Role Summary</strong></p> <p><span data-contrast="auto">As Principal Network Architect, Backbone Connectivity at Firmus, you will lead the architecture and technical assurance of the backbone connectivity platform that underpins the Firmus AI Factory ecosystem and Firmus AI Cloud. The role directly reports to the Network Engineering team as a principal technical lead and acts as a dedicated support of the Head of Connectivity as the primary technical authority for backbone architecture. You will translate Firmus’s connectivity strategy into a scalable, resilient and vendor-neutral architecture, define the standards and design patterns that guide implementation, and ensure the backbone network positions Firmus as a leader in AI-ready connectivity, with focus on building and evolving Firmus’s national and international backbone across terrestrial and subsea networks, optical transport, IP backbone, data-centre interconnection and partner connectivity.</span><span data-ccp-props="{"335559739":120}">&nbsp;</span></p> <p><span data-contrast="auto">The role directly reports to the Network Engineering team as a principal technical lead and acts as a dedicated support the Head of Connectivity as the primary technical authority for backbone architecture. You will translate Firmus’s connectivity strategy into a scalable, resilient and vendor-neutral architecture, define the standards and design patterns that guide implementation, and ensure the backbone network positions Firmus as a leader in AI-ready connectivity.</span><span data-ccp-props="{"335559739":120}">&nbsp;</span></p> <p><span data-contrast="auto">This role is responsible for the technical integrity of the backbone architecture across the full lifecycle, from concept and design assurance through delivery readiness, operational resilience and continuous improvement. You will work across carriers, subsea operators, terrestrial fibre providers, data-centre partners and internal engineering teams to ensure Firmus’s network connectivity is high-performance, secure, operationally robust and ready to scale with the company’s AI infrastructure growth.</span><span data-ccp-props="{"335559739":120}">&nbsp;</span></p> <p>&nbsp;</p> <p><strong>Key Responsibilities</strong></p> <p><span data-contrast="auto">As Principal Network Architect, Backbone Connectivity, you will own the technical architecture of Firmus's backbone network and act as the principal technical adviser to the Head of Connectivity, while operating as a senior technical lead within the Network Engineering team. You will convert the Firmus Connectivity Strategy into an integrated, executable backbone architecture spanning subsea and terrestrial fibre, optical transport (DWDM/OTN), IP/MPLS and segment r

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