Linux Systems Engineer - Bare Metal & Kubernetes
Optiver , Sydney, Australia +1
About the job
As a Linux Engineer in the Global Linux team, you will design, build and operate the critical infrastructure that powers our trading environment. The team owns both large-scale bare-metal Linux platforms and on-prem Kubernetes clusters across our global datacenters.
You will play a key role in evolving our Kubernetes platform while continuing to support and improve our high-performance Linux estate.
What you’ll do
Design, deploy and operate on-prem Kubernetes clusters in a bare-metal environment (Rancher-managed)
-
Maintain and improve our bare-metal Linux infrastructure, including provisioning, lifecycle management and performance tuning
-
Own and operate core Kubernetes components including Cilium (CNI), ArgoCD (GitOps), and Rancher
-
Build and maintain CI/CD workflows for infrastructure and cluster deployments using ArgoCD and GitHub Actions
-
Develop and maintain infrastructure as code using Terraform and bespoke on-prem systems
-
Participate in on-call rotation covering both Kubernetes clusters and other Linux-based production systems