<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. </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> </p> <p><strong>Role Summary</strong></p> <p>Firmus is seeking a skilled Network Architect / Senior Network Architect to join our Engineering and Technology team. The ideal candidate will play a crucial role in leading the design and deployment of both our physical network infrastructure and network architecture for our AI infrastructure projects.</p> <p>This role offers an exciting opportunity to work at the forefront of AI networking technology and contribute to the growth of Firmus’ AI infrastructure capabilities. Deep hands-on experience with network hardware is required, particularly with fibre optic systems. Also necessary to succeed in the role is a strong architectural mindset to guide the evolution of scalable, secure and high-performance networks for AI.</p> <p> </p> <p><strong>Key Responsibilities</strong></p> <p>Network Architecture & Design</p> <ul> <li>Architect and maintain low-latency, high-throughput interconnects (e.g. InfiniBand 100/200/400/800GbE) for HPC and AI workloads.</li> <li>Collaborate with other network engineers and cross-functional teams to develop network infrastructure roadmaps, aligned with business and technical strategy.</li> <li>Lead the design of our layer 1/2/3 network infrastructure in our data centre deployments, our AI Factories, and the cluster interconnects with considerations for redundancy, scalability, and performance.</li> <li>Evaluate new technologies, architectures, and design patterns to improve network performance and efficiency.</li> </ul> <p> </p> <p>Network Hardware & Physical Infrastructure</p> <ul> <li>Lead the design, configuration, and deployment of highly scalable physical networks optimised for AI workloads.</li> <li>Oversee the planning and implementation of fibre optic cabling systems (single-mode & multi-mode), including backbone connections, patch panels, and structured cabling.</li> <li>Plan the capacity and integration of optical technologies (DWDM, CWDM) and long-haul fibre for intersite connectivity.</li> <li>Ensure physical infrastructure aligns with architectural standards and supports scalability, availability, and security goals.</li> <li>Create and maintain accurate and up-to-date documentation of network architecture, hardware and cabling.</li> <li>Work closely with other engineering disciplines to coordinate the network infrastructure with other services (e.g. mechanical, electrical, security etc.) within the data centre.</li> <li>Participate in the operations standby roster and on-call support from time to time.</li> </ul> <p> </p> <p>Network Security and Policy</p> <ul> <li>Plan and implement firewall and security devices. Apply firewall rules, VLAN segmentation, ACLs adhering to zero-trust principles to safeguard internal and external communications.</li> <li>Collaborate with SMC Security and Risk team to enforce policies and respond to security incidents.</li> </ul> <p> </p> <p>Operation Support</p> <ul> <li>Respond and resolve escalate network issues, outages and performance degradations across the SMC Corporate and Compute network infrastructure.</li> <li>Analyze logs, run diagnostics and coordinate with vendors, carriers as needed.</li> <li>Work with internal observability team to setup and maintain monitoring tools to proactively identify bottlenecks, errors and abnormal behaviours.</li> <li>Analyze trends for bandwidth, hardware utilization, and growth to inform scaling and make recommendation to procurement decisions.</li> <li>Design and rest redundant paths, failover mechanisms and DR playbooks to ensure uninterrupted connectivity during outages or maintenance.</li> <li>Participate in operation standby roster and on-call for time to time.</li> </ul> <p> </p> <p>Project Management</p> <ul> <li>Support the deployment team with defining project timelines and resource allocation for the network portion of AI cluster installations.</li> <li>Create Bill of Materials and develop budgets for network deployments.</li> <li>Coordinate with cross-functional teams to ensure successful project delivery.</li> <li>Technology Expertise</li> <li&