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 Senior Platform Security Engineer

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

Solid 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.

Solid 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.

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📌 Senior Platform Security Engineer (Sydney)
🏢 Talenza
📍 Sydney