Hands-on security role owning the security of a large-scale multi-tenant Kubernetes platform running AI/GPU infrastructure: runtime security with eBPF tools (Cilium, Falco, Tetragon), DevSecOps controls like image signing and policy-as-code, privileged access, incident response, and ISO 27001/NIST compliance support. Based in Sydney.
Join a team building and operating large-scale AI and GPU infrastructure. We're looking for a hands-on Senior Platform Security Engineer to own the security of a multi-tenant Kubernetes platform, with a focus on runtime security, DevSecOps, privileged access, and production security operations.
What You'll Do
Secure large-scale Kubernetes environments, including admission controls, workload identity, network policies, and control plane hardening.
Build and operate runtime security using tools such as Cilium, Falco, and Tetragon.
Own DevSecOps security controls including image signing, SBOMs, vulnerability management, and policy-as-code.
Investigate security incidents and act as a senior escalation point for complex platform security issues.
Validate tenant isolation and platform resilience across shared infrastructure.
Support compliance with frameworks such as ISO 27001 and NIST.
Automate security operations using Python, Go, or Bash.