Senior AI Infra Engineer — Kubernetes for GPU Clusters

Matchbox; Sydney; Hybrid; AUD 180,000 - 240,000; Full time

Job summary

Firmus Technologies in Sydney, Australia, is seeking a Senior AI Infrastructure Engineer to own the backend infra powering the Firmus Kubernetes platform. You will design resilient, multi-tenant clusters, manage lifecycle, networking, storage, security, and observability for GPU-accelerated AI workloads.

This hands-on principal role demands deep Kubernetes expertise, senior leadership, and a track record of delivering scalable infrastructure.

Qualifications

• 7+ years of infrastructure or platform engineering experience.
• Proven ownership of production Kubernetes platforms at scale.
• Experience designing and operating GPU-enabled Kubernetes infrastructure.

Responsibilities

• Define and own the Kubernetes platform reference architecture across management and workload clusters.
• Build and maintain backend services, APIs, controllers, operators, and automation to provision, configure, upgrade, scale, and retire clusters.
• Engineer repeatable bare-metal Kubernetes deployment and lifecycle workflows using infrastructure-as-code and automated provisioning technologies.
• Design and operate cluster networking, storage, and security for AI workloads.

Skills

Kubernetes internals

Go

Rust

Python

Linux systems

CI/CD automation

Security RBAC

Telemetry observability

Education

Bachelor's degree in computer science or related field

Tools

Terraform

Argo CD

Kubernetes Operators

GitOps tooling

Redfish Ironic Metal3

NVIDIA GPU Operator

Job description

Firmus Technologies in Sydney, Australia, is seeking a Senior AI Infrastructure Engineer to own the backend infra powering the Firmus Kubernetes platform. You will design resilient, multi-tenant clusters, manage lifecycle, networking, storage, security, and observability for GPU-accelerated AI workloads.

This hands-on principal role demands deep Kubernetes expertise, senior leadership, and a track record of delivering scalable infrastructure.