Senior Platform Security Engineer

Talenza; Sydney; On-site; AUD 180,000 - 260,000; Full time

Job summary

Talenza is seeking a hands-on Senior Platform Security Engineer to own security across a multi-tenant Kubernetes platform in Sydney. You will focus on runtime security, DevSecOps, privileged access, and production security operations.

You will secure large-scale Kubernetes environments and implement controls across admission, workload identity, network policies, and control plane hardening, while driving automation and incident response in a fast-paced AI/GPU infra setting.

Qualifications

• 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.

Responsibilities

• 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.

Skills

Multi-tenant Kubernetes

eBPF-based security tools

CI/CD security

privileged access management

secrets management

security monitoring

scripting or software engineering

Tools

Cilium

Falco

Tetragon

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.

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

• 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.