Senior Platform Reliability Engineer (Fabric and Interconnect)

<p><strong>Firmus Technologies</strong></p> <p><span data-contrast="none"><span data-ccp-parastyle="FIR Body" data-ccp-parastyle-defn="{"ObjectId":"baa2b379-a6d3-56f4-af2b-6a08de9434e5|1","ClassId":1073872969,"Properties":[469777841,"Aeonik",469777842,"Aeonik",469777843,"Aeonik",469777844,"Aeonik",469769226,"Aeonik",201342446,"1",201342447,"5",201342448,"1",201342449,"1",201341986,"1",268442635,"20",335551500,"197122",335559740,"264",201341983,"0",335559738,"145",469775450,"FIR Body",201340122,"2",134234082,"true",134233614,"true",469778129,"FIRBody",335572020,"1",469778324,"Body Text"]}">Firmus Technologies is a global&nbsp;</span><span data-ccp-parastyle="FIR Body">leader</span><span data-ccp-parastyle="FIR Body"> pioneering the development </span></span><span data-contrast="none"><span data-ccp-parastyle="FIR Body">and operation of efficient AI infrastructure across Asia Pacific.</span><span data-ccp-parastyle="FIR Body">&nbsp;</span></span><span data-ccp-props="{"201341983":0,"335559738":145,"335559740":264}">&nbsp;</span></p> <p><span data-contrast="none"><span data-ccp-parastyle="FIR Body">Founded in Australia in 2019, our mission is to create the most efficient AI infrastructure by </span></span><span data-contrast="none"><span data-ccp-parastyle="FIR Body">combining&nbsp;</span><span data-ccp-parastyle="FIR Body">cutting-edge</span><span data-ccp-parastyle="FIR Body">&nbsp;technology with a steadfast commitment to sustainability.</span></span><span data-ccp-props="{"201341983":0,"335559738":145,"335559740":264}">&nbsp;</span></p> <p><span data-contrast="none"><span data-ccp-parastyle="FIR Body">At Firmus, we are unique in our approach. We design, build, and&nbsp;</span><span data-ccp-parastyle="FIR Body">operate</span><span data-ccp-parastyle="FIR Body"> a new class of digital </span></span><span data-contrast="none"><span data-ccp-parastyle="FIR Body">infrastructure – the AI Factory. Through our model-to-grid technology approach, we have pushed </span></span><span data-contrast="none"><span data-ccp-parastyle="FIR Body">the boundaries of multi-generational liquid cooling systems, energy management, AI software </span></span><span data-contrast="none"><span data-ccp-parastyle="FIR Body">orchestration, and construction. For our customers, this approach allows us to make every watt </span></span><span data-contrast="none"><span data-ccp-parastyle="FIR Body">count and deliver low-cost AI tokens globally.</span></span><span data-ccp-props="{"201341983":0,"335559738":145,"335559740":264}">&nbsp;</span></p> <p>&nbsp;</p> <p><strong>Firmus AI Cloud</strong></p> <p><span data-contrast="none"><span data-ccp-parastyle="FIR Body" data-ccp-parastyle-defn="{"ObjectId":"baa2b379-a6d3-56f4-af2b-6a08de9434e5|1","ClassId":1073872969,"Properties":[469777841,"Aeonik",469777842,"Aeonik",469777843,"Aeonik",469777844,"Aeonik",469769226,"Aeonik",201342446,"1",201342447,"5",201342448,"1",201342449,"1",201341986,"1",268442635,"20",335551500,"197122",335559740,"264",201341983,"0",335559738,"145",469775450,"FIR Body",201340122,"2",134234082,"true",134233614,"true",469778129,"FIRBody",335572020,"1",469778324,"Body Text"]}">Our large-scale GPU cloud platform, Firmus AI Cloud, is purpose-built </span></span><span data-contrast="none"><span data-ccp-parastyle="FIR Body">to deliver energy-efficient AI&nbsp;</span><span data-ccp-parastyle="FIR Body">compute</span><span data-ccp-parastyle="FIR Body">&nbsp;at scale to customers.</span></span><span data-ccp-props="{"201341983":0,"335559738":145,"335559740":264}">&nbsp;</span></p> <p><span data-contrast="none"><span data-ccp-parastyle="FIR Body">It empowers developers, enterprises, educational institutions, and government users to train and </span></span><span data-contrast="none"><span data-ccp-parastyle="FIR Body">deploy AI models with unmatched efficiency and cost savings. With an ever-growing suite of services </span></span><span data-contrast="none"><span data-ccp-parastyle="FIR Body">and applications, we are committed to delivering a cloud experience that is market-leading, </span></span><span data-contrast="none"><span data-ccp-parastyle="FIR Body">proprietary, and built to scale.</span></span><span data-ccp-props="{"201341983":0,"335559738":145,"335559740":264}">&nbsp;</span></p> <p>&nbsp;</p> <p><strong><span data-contrast="none"><span data-ccp-parastyle="Body Text">AI FactoryOS Operations</span></span></strong><span data-ccp-props="{"201341983":0,"335559738":145,"335559740":264}">&nbsp;</span></p> <p><span data-contrast="auto"><span data-ccp-charstyle="normaltextrun" data-ccp-charstyle-defn="{"ObjectId":"ac0262f4-8a9e-5820-b908-2d943c5f7113|1","ClassId":1073872969,"Properties":[201342446,"1",201342447,"5",201342448,"1",201342449,"1",469777841,"Calibri",469777842,"Arial",469777843,"Calibri",469777844,"Calibri",201341986,"1",469769226,"Calibri,Arial",268442635,"22",469775450,"normaltextrun",201340122,"1",134233614,"true",469778129,"normaltextrun",335572020,"1",469778324,"Default Paragraph Font"]}">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.</span></span><span data-ccp-props="{"134233117":true,"134233118":true,"134245417":true}">&nbsp;</span></p> <p><span data-contrast="auto">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.</span><span data-ccp-props="{"335559738":240,"335559739":240}">&nbsp;</span></p> <p><span data-contrast="auto">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.</span><span data-ccp-props="{"335559738":240,"335559739":240}">&nbsp;</span></p> <p>&nbsp;</p> <p><strong><span data-contrast="none"><span data-ccp-parastyle="Body Text">Role Summary</span></span> </strong><span data-ccp-props="{"134233117":false,"134233118":false,"134245417":true,"335557856":16777215,"335559738":0,"335559739":0}">&nbsp;</span></p> <p><span data-contrast="none"><span data-ccp-parastyle="FIR Body" data-ccp-parastyle-defn="{"ObjectId":"baa2b379-a6d3-56f4-af2b-6a08de9434e5|1","ClassId":1073872969,"Properties":[469777841,"Aeonik",469777842,"Aeonik",469777843,"Aeonik",469777844,"Aeonik",469769226,"Aeonik",201342446,"1",201342447,"5",201342448,"1",201342449,"1",201341986,"1",268442635,"20",335551500,"197122",335559740,"264",201341983,"0",335559738,"145",469775450,"FIR Body",201340122,"2",134234082,"true",134233614,"true",469778129,"FIRBody",335572020,"1",469778324,"Body Text"]}">Firmus runs large-scale, </span><span data-ccp-parastyle="FIR Body">state-of-the-art</span><span data-ccp-parastyle="FIR Body"> AI infrastructure built on the latest generation of GPU rack-scale systems and </span><span data-ccp-parastyle="FIR Body">operated</span><span data-ccp-parastyle="FIR Body"> as one estate to power the next generation of AI innovation. The Senior Platform Reliability Engineer, Fabric and Interconnect, owns the reliability of the fabrics this estate runs on: the GPU-to-GPU interconnect domains, the high-performance network fabrics carrying training and inference traffic, and the DPU-based host networking that binds compute to the rest of the platform.</span></span><span data-ccp-props="{"201341983":0,"335559738":145,"335559740":264}">&nbsp;</span></p> <p><span data-contrast="none"><span data-ccp-parastyle="FIR Body">This is a hands-on senior role with deep technical </span><span data-ccp-parastyle="FIR Body">expertise</span><span data-ccp-parastyle="FIR Body">. Automation is a first-class part of the role: the team builds and maintains the guarded automation and remediation tooling that turn manual fabric response into a self-healing capability, and the role engages fabric vendors at engineering level, reproducing faults to their standard and holding them to their answers.</span></span><span data-ccp-props="{"201341983":0,"335559738":145,"335559740":264}">&nbsp;</span></p> <p><span data-ccp-props="{"201341983":0,"335559738":17,"335559740":259}">&nbsp;</span></p> <p><strong><span data-contrast="none"><span data-ccp-parastyle="Body Text">Key Responsibilities</span></span></strong><span data-ccp-props="{"201341983":0,"335559738":145,"335559740":264}">&nbsp;</span></p> <ul> <li data-leveltext="" data-font="Symbol" data-listid="49" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="1" data-aria-level="1"><span data-contrast="none"><span data-ccp-parastyle="FIR Body List" data-ccp-parastyle-defn="{"ObjectId":"15ef5dd6-cc84-5693-b085-6dad75ec09b1|1","ClassId":1073872969,"Properties":[469777841,"Aeonik",469777842,"Aeonik",469777843,"Aeonik",469777844,"Aeonik",469769226,"Aeonik",201342446,"1",201342447,"5",201342448,"1",201342449,"1",201341986,"1",268442635,"20",335551500,"197122",335559740,"264",201341983,"0",335559738,"145",469775450,"FIR Body List",201340122,"2",134234082,"true",134233614,"true",469778129,"FIRBodyList",335572020,"1",469778324,"Body Text"]}">Responsible for the reliable operation, automation and continuous improvement of the estate's GPU interconnect and network fabrics (for example </span><span data-ccp-parastyle="FIR Body List">NVLink</span><span data-ccp-parastyle="FIR Body List"> and </span><span data-ccp-parastyle="FIR Body List">NVSwitch</span><span data-ccp-parastyle="FIR Body List"> domains, </span><span data-ccp-parastyle="FIR Body List">InfiniBand</span><span data-ccp-parastyle="FIR Body List"> and Spectrum-X).</span></span><span data-ccp-props="{"201341983":0,"335559738":145,"335559740":264}">&nbsp;</span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="49" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="2" data-aria-level="1"><span data-contrast="none"><span data-ccp-parastyle="FIR Body List">Build and </span><span data-ccp-parastyle="FIR Body List">maintain</span><span data-ccp-parastyle="FIR Body List"> the guarded automation and remediation tooling for fabric faults, contributing to the software-driven remediation of AI clusters, including fault isolation and fabric reconvergence.</span></span><span data-ccp-props="{"201341983":0,"335559738":145,"335559740":264}">&nbsp;</span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="49" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="3" data-aria-level="1"><span data-contrast="none"><span data-ccp-parastyle="FIR Body List">Diagnose and tune performance across the interconnect stack, </span><span data-ccp-parastyle="FIR Body List">from application</span><span data-ccp-parastyle="FIR Body List"> collective communication down to link level, working with technologies including </span><span data-ccp-parastyle="FIR Body List">NVLink</span><span data-ccp-parastyle="FIR Body List">, InfiniBand, RoCE and congestion control tuning.</span></span><span data-ccp-props="{"201341983":0,"335559738":145,"335559740":264}">&nbsp;</span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="49" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769