Immutable is seeking a Senior Platform Engineer in Sydney to own and evolve our AWS and Kubernetes foundations. You’ll contribute to development and infrastructure, building self-service tooling and IaC to accelerate product teams. A robust focus on observability, reliability, and on-call discipline will shape daily work. You’ll work in a Sydney-based team, with a lean, on-call model and a mix of hands-on coding and infrastructure ownership to drive scalable platform improvements.