Senior Solutions Architect

Posted 8/4/2026 · last confirmed live 9/2/2026

Firmus Technologies Firmus Technologies is a global leader pioneering the development and operation of efficient AI infrastructure from model to grid. 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. This co-designed approach from model to grid allows us to make every watt count and deliver low-cost AI tokens globally.   Firmus AI Cloud Our large-scale GPU cloud platform, Firmus AI Cloud, is purpose-built to deliver energy-efficient AI compute at scale. 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.   Why you’ll love working here At Firmus, you’ll work at the intersection of sustainability and artificial intelligence in a fast-paced environment powered by next-generation technology. You’ll be helping to transform an entire industry — and you’ll feel it every day. Our team is made up of true innovators and leaders in their fields, and as an emerging company, you won’t be lost in a crowd. You’ll work closely with the founders, build a strong network, and see the impact of your work first-hand as we democratise AI tools for everyone — more sustainably and more affordably. We believe great things happen when people from diverse backgrounds come together to do their best work and be their authentic selves. We are proud to be an equal opportunity employer.   Role Summary As an AI Infrastructure Solutions Architect at Firmus, you will assist customers in designing and implementing advanced AI cluster solutions. This position combines solution architecture skills with AI infrastructure expertise to support organisations’ AI initiatives. Your role is crucial in providing the link between our customers and our product teams as we scale the Firmus AI Factory offering globally. Key Responsibilities Solution Design Architect scalable and high-performance AI infrastructure solutions tailored to customer needs. Work with the internal Firmus Engineering and Technology teams to develop detailed technical specifications and implementation plans for AI clusters. Optimise designs for performance, reliability, and cost-effectiveness. Collaborate closely with our global sales teams, providing deep technical expertise during the sales cycle to address customer requirements and challenges. Identify relevant technology capability gaps in the platform which impact service delivery Customer Engagement Collaborate closely with customers to understand their AI requirements and objectives.   Support the Firmus Sales Function to ensure successful closure of RFPs, Proposals and service contracts. Develop effective SLAs in collaboration with Sales and Operations, Engineering teams to ensure successful service delivery Provide expert guidance on AI infrastructure best practices and emerging technologies. Present complex technical concepts to both technical and non-technical stakeholders. Lead AI infrastructure projects from conceptualisation to implementation. Assist with the successful deployment and integration of AI solutions, guiding customers through the implementation process and optimising their AI infrastructure for peak performance. conception Coordinate with cross-functional teams to ensure seamless integration of AI solutions. Experienced in working with and presenting to C-level stakeholders.  Technical Expertise Understanding Training and Inference requirements of customers and their used cases. Provide technical mentorship to junior team members. Maintain in-depth knowledge of advanced networking technologies, including NVIDIA InfiniBand, Spectrum Ethernet Platform, and RDMA over Converged Ethernet (RoCE). Working knowledge of AI accelerator hardware, software, and infrastructure components (NVIDIA CPU-GPU architectures, AMD Instinct-based accelerators, Intel Gaudi amongst others). Understand and leverage AI-specific technologies such as NVIDIA ConnectX NICs and BlueField DPUs. Stay at the forefront of AI technology trends, advocating for our AI solutions and educating customers and partners on its benefits and applications.   Skills & Experience Bachelor’s Degree in Computer Science, Engineering, or a related field. 8+ years of working experience in IT infrastructure, with at least 3+ years focused on AI or high-performance computing systems. Extensive experience in designing and implementing AI infrastructure solutions. Deep understanding of high-performance computing and AI workloads. Proficiency in architecting solutions using NVIDIA InfiniBand, Spectrum Ethernet Platform, and related technologies. Proficiency in programming languages relevant to AL and ML, such as Python, C++, and familiarity with AI frameworks like TensorFlow, PyTorch. Solid experience with cloud architectures and services, particularly in GPU-accelerated computing environments. Strong problem-solving skills and ability to troubleshoot complex infrastructure issues. Demonstrated ability to design scalable and sustainable AI solutions, with a track record of successful customer engagements, project deliveries and implementations.   Location & Reporting Bay Area, California, USA Reporting to the Director of Solution Architecture & Delivery Employment Basis Full-time Diversity At Firmus, we are committed to building a diverse and inclusive workplace. We encourage applications from candidates of all backgrounds who are passionate about creating a more sustainable future through innovative engineering solutions.  Join us in our mission to revolutionize the AI industry through sustainable practices and cutting-edge engineering. Apply now to be part of shaping the future of sustainable AI infrastructure.   

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