Platform Reliability Engineering Manager

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, this approach 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 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. AI FactoryOS Operations AI FactoryOS is Firmus' proprietary operating system for the AI Factory. It governs GPU telemetry, cooling, power and grid interaction as one integrated layer, so that every Firmus site can be optimised and monitored as a single system. AI FactoryOS Operations runs that platform in production and owns the 24/7 reliability of AI FactoryOS, Firmus AI Cloud and the platforms built on them, together with the service levels the estate is measured against. The remit is an engineering one. The function builds the guarded automation, remediation and operational tooling that turn manual response into a software-defined capability, and builds and operates the shared services the estate's own operation depends on. The function works closely with the engineering teams that build the platform, supplying the production evidence that shapes what they fix and what they build next. Role Summary Firmus runs large-scale, state-of-the-art AI infrastructure built on the latest generation of GPU rack-scale systems and operated as one estate to power the next generation of AI innovation. The Platform Reliability Engineering Manager leads the platform reliability team: the engineers who take on incidents escalated from the Global and Site Operation Centres and manage them through to resolution, and the Service Delivery Managers who run incident, change and problem management. Together they work with the operations centres and the specialist engineering teams to keep the estate within the service levels it is measured against. This is a hands-on technical leadership role, and strong technical competence is a core requirement of it. The role is expected to step into complex faults alongside the engineers, guide the diagnosis and recovery, and judge the technical quality of the team's work. The role manages the team's 24/7 on-call operation, its escalation paths to the specialist engineering teams, and its service level objectives . The team treats operations as a software problem, and the role leads the work of turning what the team learns into runbooks, guarded automation and permanent fixes. Key Responsibilities • Lead and manage the platform reliability team, including hiring, onboarding, performance, development and wellbeing across regions. • Manage the team's 24/7 on-call and incident command rosters, with cover across regions. • Serve on the incident command roster and act as incident commander for major incidents on rostered weeks, alongside the Service Delivery Managers. • Act as a senior technical escalatio