Senior Security Engineer, AI Platform and Infrastructure

Job Description

Firmus Technologies <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 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 <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 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  Firmus Technologies is seeking a Senior Security Engineer, AI Platform and Infrastructure for our Engineering and Technology team. Customers provision GPU compute through API and console, software engineers build against it, our infrastructure engineers build the bare metal, virtualisation layer and Kubernetes clusters behind it, and our operators run the platform through the same control plane. You own both layers of Firmus AI Cloud: the platform control plane that engineering teams built, and the bare-metal infrastructure it runs on. Automation is how you scale that ownership.  KEY RESPONSIBILITIES  Automation and secure delivery  <ul> <li data-leveltext="" data-font="Symbol" data-listid="14" 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">Own the security controls in platform delivery pipelines, infrastructure-as-code, hardware lifecycle, and Kubernetes deployment. Ship them as paved roads that engineering teams and delivery partners inherit. </li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="14" 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">Build the systems that do the repeatable work: posture management, configuration validation, firmware and attestation checks, bulletin-driven fleet upgrades, evidence collection, and infrastructure risk detection.  </li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="14" 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">Write and review code, infrastructure-as-code, and policy-as-code that enforce security outcomes at scale. </li> </ul> Security architecture and standards  <ul> <li data-leveltext="" data-font="Symbol" data-listid="14" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="4" data-aria-level="1">Set the standard for platform identity, workload identity, privileged access, and secrets: short-lived credentials, federation, least-privilege access to infrastructure APIs and Kubernetes, and audit trails for administrative and control-plane actions. </li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="14" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="5" data-aria-level="1">Define the security baseline for Kubernetes and the container workloads the platform admits: control-plane isolation from worker and tenant networks, admission controls, policy-as-code, network policy, encrypted cluster secrets, no privileged containers or host mounts, least-privilege service accounts, and only trusted, pinned images. </li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="14" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="6" data-aria-level="1">Lead threat modelling and secure design review for infrastructure, platform, and shared-service changes. Define what an attacker can do and what must be true before it ships. </li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="14" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="7" data-aria-level="1">Design isolation in layers, so a single misconfiguration or outdated component cannot yield cross-tenant data access or code execution. Cover cluster, host, network, storage, control plane, and telemetry rather than relying on containers, namespaces, or dashboard filters alone. </li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="14" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="8" data-aria-level="1">Separate the infrastructure management plane from tenant workloads: out-of-band and BMC access, device and attached-NIC management, and shared network device administration. </li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="14" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"left","469777804":"","469777815":"hybridMultilevel"}" data-aria-posinset="9" data-aria-level="1">Define how the platform is exposed and protected: default-deny at the edge, private endpoints for administrative and cluster APIs, enforcement placed in the path so volumetric and application-layer attacks are blocked or mitigated before it reaches services, encryption in transit and at rest, and automated certificate lifecycle. </li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="14" data-list-defn-props="{"335552541":1,"335559685":720,"335559991":360,"469769226":"Symbol","469769242":[8226],"469777803":"

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Salary: Negotiable

Type: Full time

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