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

- Robust 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.

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📌 Senior Platform Security Engineer (New South Wales)
🏢 Talenza
📍 New South Wales