Job Description

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.

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What You'll Do

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Senior Platform Security Engineer

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- Secure large-scale Kubernetes environments, including admission controls, workload identity, network policies, and control plane hardening.
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- Build and operate runtime security using tools such as Cilium, Falco, and Tetragon.
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- Own DevSecOps security controls including image signing, SBOMs, vulnerability management, and policy-as-code.
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- Investigate security incidents and act as a senior escalation point for complex platform security issues.
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- Validate tenant isolation and platform resilience across shared infrastructure.
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- Support compliance with frameworks such as ISO 27001 and NIST.
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- Automate security operations using Python, Go, or Bash.
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What We're Looking For

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- Solid experience securing multi‐tenant Kubernetes environments.
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- Hands‐on experience with eBPF‐based security tools (Cilium, Falco, Tetragon).
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- Experience implementing security controls within modern CI/CD pipelines.
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- Knowledge of privileged access management, secrets management, and security monitoring.
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- Experience supporting security in large‐scale production environments.
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- Strong scripting or software engineering capability.
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Nice to Have

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- GPU, AI, or HPC infrastructure experience.
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- ISO 27001, SOC 2, or NIST experience.
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- Certifications such as OSCP, GCFA, or Kubernetes Security credentials.
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📌 Senior Platform Security Engineer (New South Wales)
🏢 Talenza
📍 New South Wales