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 settings, 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 up-to-date CI/CD pipelines.
Knowledge of privileged access management, secrets management, and security monitoring.
Experience supporting security in large-scale production environments.
Robust 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.

📌 Senior Platform Security Engineer Sydney
🏢 Talenza
📍 Sydney