Director, Facility and OT Security

IREN•,

3d•Remote

About The Position

The Director, Facility and OT Security will lead operational technology security, security compliance, supply chain assurance, and physical security engineering across IREN's data center fleet. The role establishes consistent security standards for all sites, including an IEC 62443 architecture for the standard module, facility evidence supporting corporate certification programs, and provenance requirements for procured equipment. It is part of the Next Generation Data Center Architecture function, with an indirect line to the Chief Information Officer. The role has authority across the fleet and leads a small team of specialists. IREN is a vertically integrated AI Cloud provider operating large-scale data centers and GPU clusters for AI training and inference. Its facilities are industrial control systems that host customers' valuable computation; the corporate security function covers enterprise IT only. This position owns the facility and OT security boundary and ensures security requirements are incorporated into site design, construction, assessment, and operations.

Requirements

Bachelor's degree in electrical engineering, computer engineering, computer science, or a related field; equivalent professional experience is considered.
15 or more years of security engineering experience, including at least 8 years in operational technology or industrial control system security for utilities, energy, pipelines, process industry, or critical facilities.
Experience leading a security program across multiple sites, setting standards, assessing sites against them, and owning findings with operations leaders who do not report to you.
Operational technology security architecture expertise sufficient to direct IEC 62443 architecture work and critically review supplier evidence.
Direct facility-side experience with at least one federal, defense, or critical infrastructure security regime, including assessment.
Experience with supply chain and provenance assurance for procured equipment under country-of-origin or restricted-source rules.
Experience managing security engineers and owning budgets for assessments and external specialists.
Pre-employment screening, including background check and substance testing, may be required according to company policies.

Nice To Haves

Master's degree.
ISA/IEC 62443 Cybersecurity Expert, CISSP, GICSP, or Physical Security Professional certification.
Working knowledge of NIST SP 800-82, NERC CIP, NIST SP 800-171, FedRAMP, DoD impact levels, and the Security of Critical Infrastructure Act.
NERC CIP program leadership.

Responsibilities

Write and maintain the fleet operational technology and facility security standard, applying it to new sites through the design basis and to existing sites through assessment.
Own the IEC 62443 architecture of the standard module and its application at each site, including zones, conduits, security level targets, component requirements, and secure remote access.
Own facility security compliance requirements and the evidence package for applicable federal, defense, and critical infrastructure regimes.
Own the provenance and software bill of materials standard for module equipment, including the exception process.
Own the physical security design basis for the standard module and the fleet.
Hold security criteria at the Architecture Review Gate and security validation at Childress before each energized campaign.
Write operations security logging, response, and safe degradation requirements for Operations and the telemetry platform.
Maintain the written boundary with corporate security and brief the Chief Information Officer monthly.
Hire, develop, and lead the security group.

Benefits

100% company-paid employee medical, dental, and vision insurance premiums, with 75% company-paid dependent coverage.
Company-paid short-term and long-term disability insurance.
Voluntary life, critical illness, and accident coverage.
Health Savings Accounts when combined with the High-Deductible Health Plan.
Employee Assistance Program and wellness resources.
401(k) retirement plan with company match.
Paid professional development and access to financial planning and legal services.
Paid time off and paid holidays.
Professional development for certifications, continuing education, or role-related training.
Company events and team-building activities.
Relocation and living-out allowance, as applicable and based on candidate circumstances.