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About the Role
Firmus runs large-scale, state-of-the-art AI infrastructure. The Platform Security Operations Manager leads the Platform Security team and the AI Factory's Computer Security Incident Response Team (CSIRT). This team detects, responds to, and recovers from security incidents, and operates security controls to keep the AI Factory defensible.
Responsibilities
- Lead and manage the Platform Security team, including hiring, onboarding, performance, development, and wellbeing across regions.
- Manage the AI Factory's CSIRT and its 24/7 security on-call roster.
- Manage the AI Factory security incident response plan, including severity classification and escalation paths.
- Lead the security response during live incidents, directing triage, containment, eradication, and recovery.
- Manage the security incident playbooks for the AI Factory's main threat scenarios and run regular exercises.
- Manage evidence handling and chain of custody for security incidents, coordinating with external forensics support when needed.
- Lead security post-incident reviews and drive resulting fixes to closure.
- Track vulnerabilities and threat intelligence relevant to GPU infrastructure, Kubernetes, identity stack, and vendor products.
- Manage the operational security standard for the AI Factory, including runtime detection, delivery pipeline security gates, and Kubernetes estate security content.
- Manage the security exception process and register, including owners, time limits, and compensating controls.
- Manage the independent monitoring of privileged activity across the estate.
- Provide security evidence for audit and customer due diligence.
- Turn findings from incidents and testing into clear engineering requirements for platform and infrastructure teams.
- Ensure the team's detection, evidence, forensics, and incident response tooling are fit for purpose and detection coverage grows.
- Act as the escalation point for the security on-call roster and lead security response to major incidents.
Requirements
- Significant experience leading a CSIRT in a 24/7 production environment, including owning the incident response plan, playbooks, and exercises.
- Directing the response to security incidents from containment decisions and evidence handling through to post-incident review.
- A hands-on technical security background in large-scale on-premises and self-hosted infrastructure, covering bare-metal servers, Linux, Kubernetes, network security, identity and privileged access, and runtime detection.
- Experience operating security controls under ISO 27001, SOC 2, or NIST frameworks.
- Producing evidence that audits and customer due diligence require.
- Clear communication and judgement under pressure.
- Ability to brief security and operations leadership during an incident.
- Experience with security monitoring, detection, and case management tooling (e.g., SIEM platforms, eBPF-based runtime tools, Jira Service Management or ServiceNow).
Skills
- CSIRT leadership
- Incident response planning
- Security incident response
- Technical security background
- Bare-metal servers
- Linux
- Kubernetes
- Network security
- Identity and privileged access
- Runtime detection
- ISO 27001
- SOC 2
- NIST frameworks
- Communication
- Judgement under pressure
- Security monitoring
- Detection tooling
- Case management tooling
- SIEM platforms
- eBPF-based runtime tools
- Jira Service Management
- ServiceNow
- Digital forensics
- Incident response frameworks (NIST SP 800-61, FIRST CSIRT services framework)
- Kubernetes security
Location
- Sydney
- Melbourne
- Singapore
Work Type
- Full-time
- Onsite
Experience Level
- Leadership
- Management
Education Level
- Bachelor's degree in computer science, engineering, cyber security or a related discipline, or an equivalent combination of relevant experience and training.
- Relevant certification (e.g., GCIH, GCFA, CISSP, CISM, or a Kubernetes security credential).
About the Company
- Firmus' proprietary operating system for the AI Factory is AI FactoryOS. It governs GPU telemetry, cooling, power, and grid interaction as an integrated layer for optimized and monitored site operations.
- AI FactoryOS Operations runs the platform in production and ensures the 24/7 reliability of AI FactoryOS, Firmus AI Cloud, and their associated platforms.
- The function builds guarded automation, remediation, and operational tooling to transform manual response into software-defined capabilities.
- The function also builds and operates shared services essential for the estate's operation.
- Firmus is committed to building a diverse and inclusive workplace.
- Firmus encourages applications from candidates of all backgrounds passionate about creating a more sustainable future through innovative engineering solutions.
- Firmus aims to revolutionize the AI industry through sustainable practices and cutting-edge engineering.
Equal Opportunity
- At Firmus, we are committed to building a diverse and inclusive workplace. We encourage applications from candidates of all backgrounds who are passionate about creating a more sustainable future through innovative engineering solutions.