Senior Platform Security Engineer – 24/7 AI Infra Protection

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

Job summary

Firmus is seeking a Senior Platform Security Engineer to own the operational security of its AI FactoryOS platform. The role focuses on a multi-tenant Kubernetes estate, runtime visibility, policy checks and secure release gates in production.

You will implement eBPF-based tooling (Cilium, Falco, or Tetragon), manage image signing, SBOMs, vulnerability gating, and enforce security standards across the estate. Travel to Australian AI Factory sites may be required.

Qualifications

• Experience securing multi-tenant Kubernetes environments with policy controls.
• Exposure to eBPF-based runtime security tooling and detection/enforcement.
• Ability to own security gates in delivery pipelines and SBOM governance.
• Strong scripting or programming abilities for automation.

Responsibilities

• Build runtime visibility and enforcement using eBPF tooling (Cilium, Falco, or Tetragon).
• Own security gates: image signing, SBOMs, vulnerability gating and policy checks.
• Define and maintain Kubernetes admission policies and workload identity controls.
• Lead 24/7 security incident responses and post-incident reviews.

Skills

Privileged access security

Multi-tenant Kubernetes

eBPF-based tooling

DevSecOps in delivery

Policy-as-code

Security automation scripting

Security incident handling

Strong communication

Education

Bachelor's degree in CS/Engineering

Tools

Cilium

Falco

Tetragon

Kubernetes

Python

Go

Bash

Job description

Firmus is seeking a Senior Platform Security Engineer to own the operational security of its AI FactoryOS platform. The role focuses on a multi-tenant Kubernetes estate, runtime visibility, policy checks and secure release gates in production.

You will implement eBPF-based tooling (Cilium, Falco, or Tetragon), manage image signing, SBOMs, vulnerability gating, and enforce security standards across the estate. Travel to Australian AI Factory sites may be required.