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Principal Network Architect, Backbone Network

Firmus·Sydney, Australiasenior

In short

  • →Arquitecto principal del backbone de red para infraestructura de IA a gran escala en Asia Pacífico.
  • →Diseña y asegura arquitecturas resilientes, escalables y neutrales de proveedores en redes terrestres y submarinas.
  • →Destacado por liderar la integración de tecnologías de transporte óptico y conectividad entre centros de datos en un entorno de IA expandido.

Proficiency in English is required for technical collaboration with global teams.

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In ~1 minute you get: who interviews you, the likely questions answered from your CV, and your CV tailored to this job. Free, no card.

The questions they'll ask you

1. Describe cómo diseñarías una arquitectura de backbone escalable para conectividades internacionales en un entorno de IA con bajo latencia.

2. ¿Cómo gestionarías el despliegue de DWDM a través de múltiples operadores de cables submarinos con restricciones de SLA?

3. ¿Qué métricas usarías para asegurar la resiliencia operativa del backbone en condiciones de fallo crítico?

🔒 +7 more questions

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💵 USD · Remote · No visa

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What they ask for

  • ✓Experto en arquitectura de backbone de red con foco en conectividad terrestre y submarina.
  • ✓Experiencia comprobada en diseño de redes ópticas DWDM/OTN y redes IP/MPLS.
  • ✓Capacidad para definir patrones de diseño y estándares técnicos de alto nivel.
  • ✓Habilidades sólidas en colaboración con proveedores de telecomunicaciones y operadores de submareas.
  • ✓Experiencia con proyectos de escalabilidad a gran escala en centros de datos.
  • ✓Capacidad para actuar como autoridad técnica principal para conectividad estratégica.

Don't tick every box? That's normal — your free dossier shows your gaps and how to cover them in the interview.

DWDMOTNIP/MPLSsubsea cableterrestrial fibreoptical transportdata-center interconnectnetwork orchestrationmulti-vendor environmentnetwork security

Who should you write to at Firmus?

Your free dossier identifies the people who'd interview you — their background, what they value, and how to reach out so you stand out before applying.

Firmus Technologies Firmus Technologies is a global leader pioneering the development and operation of efficient AI infrastructure across Asia Pacific. 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. 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 Firmus AI Cloud Our large-scale GPU cloud platform, Firmus AI Cloud, is purpose-built to deliver energy-efficient AI compute at scale to customers. 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. Role Summary 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. 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. 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. Key Responsibilities 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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