Senior Platform Security Engineer
Summary
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.
Salary: $200k - $250k p.a. + Bonus and Super
Senior Platform Security Engineer
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.
What We're Looking For
- Strong experience securing multi-tenant Kubernetes environments.
- Hands-on experience with eBPF-based security tools (Cilium, Falco, Tetragon).
- Experience implementing security controls within modern CI/CD pipelines.
- Knowledge of privileged access management, secrets management, and security monitoring.
- Experience supporting security in large-scale production environments.
- Strong scripting or software engineering capability.
Nice to Have
- GPU, AI, or HPC infrastructure experience.
- ISO 27001, SOC 2, or NIST experience.
- Certifications such as OSCP, GCFA, or Kubernetes Security credentials.