Platform Reliability Engineer
Firmus Technologies15 hours ago
Sydney, AustraliaSenior
Responsibilities
- Triage, diagnose, and resolve production incidents across Kubernetes, storage, virtualization, networking, Linux hosts, and GPU infrastructure.
- Operate multi-tenant control planes, virtualization platforms, shared services, distributed filesystems, S3-compatible object storage, and GPU compute fleets against declared service levels.
- Build controlled automation, remediation tooling, runbooks, and change-as-code workflows to reduce operational toil.
- Use Grafana, Prometheus, Loki, Tempo, and related observability tools to query metrics, logs, and traces, improve dashboards, and make alerts actionable.
- Diagnose compute-to-storage and fabric performance issues, manage vendor support cases, and provide diagnostic evidence for escalations.
- Participate in patching, vulnerability remediation, major incident recovery, post-incident reviews, and a follow-the-sun on-call roster.
- Maintain accurate incident tickets, operational procedures, runbooks, and requirements fed back to engineering teams.
Requirements
- Solid experience operating production infrastructure in a 24/7 environment using site reliability engineering practices, including service level objectives, incident ownership, on-call participation, post-incident reviews, toil reduction, and runbook writing.
- Strong Linux systems administration and troubleshooting skills covering storage, host networking, processes, memory, and I/O.
- Experience with scale-out, parallel, or enterprise storage such as VAST, WEKA, Ceph, Lustre, GPFS, or NetApp.
- Familiarity with virtualization platforms such as Proxmox, VMware, or KVM.
- Experience with observability tooling, metrics and log queries such as PromQL and LogQL, and cross-service signal correlation.
- Experience with infrastructure as code and GitOps tools such as OpenTofu, Terraform, Ansible, or Argo CD, plus scripting or operational automation in Python or Go.
- Familiarity with server hardware operations, vendor support, and cybersecurity principles for production infrastructure.
- Preferred experience with GPU or HPC infrastructure, DCGM, NCCL, XID errors, cloud or colocation operations, networking fundamentals, InfiniBand, RoCE, RDMA, GPUDirect Storage, DPU or SmartNIC networking, bare-metal provisioning, Kubernetes, ITSM tools, and ISO 27001 or SOC 2 controls.
- Relevant certifications such as CKA, RHCSA, LFCS, or a vendor certification are preferred.
- A bachelor's degree in computer science, engineering, or a related discipline, or an equivalent combination of relevant experience and training.
Benefits
- Permanent full-time employment.
- Based in Australia or Singapore, with travel to Australian AI Factory sites as required.
- Participation in a shared after-hours escalation roster for a 24/7 operations function.
- Broad direction, high autonomy, and direct access to decision makers while the function is being established.
Tech Stack
Categories
DevOpsSite Reliability
About Firmus Technologies
Firmus Technologies builds energy‑efficient AI infrastructure, developing liquid‑cooled “AI Factory” data centers and operating a large‑scale GPU cloud for model training. The company sells capacity and services to developers, enterprises, education, and government customers, with a focus on energy and cost efficiency across Asia‑Pacific. Founded in 2019 in Australia, Firmus is privately held and headquartered in St Leonards, Tasmania.