Director, Facility and OT Security

IREN

. Write and maintain the fleet operational technology and facility security standard .

Posted 11/6/2026full-timeRemote • Texas • United StatesLeadWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive expertise in security engineering, particularly in operational technology and facility security, with a strong focus on IEC 62443 architecture and compliance with federal and critical infrastructure standards. Proven leadership in managing security programs across multiple sites and developing security standards and assessments.

Highest-signal resume keywords

IEC 62443 Architecture OwnershipOperational Technology SecuritySecurity Program LeadershipFederal Security Regime ExperienceISA/IEC 62443 Cybersecurity Expert Certification

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Security EngineeringOperational Technology Security ArchitectureSecurity Compliance RequirementsSecurity Logging and Response RequirementsAssessment and Findings OwnershipSupply Chain AssuranceBudget Management for Security AssessmentsPhysical Security DesignProvenance and Software Bill of MaterialsSecurity Validation

Soft Skills

LeadershipTeam DevelopmentCommunicationBriefing Executives

Tools & Technologies

Telemetry PlatformSecurity StandardsAssessment Tools

Certifications & Qualifications

ISA/IEC 62443 Cybersecurity ExpertCISSPGICSPPhysical Security Professional

Industry Keywords

NIST SP 800-82NERC CIPNIST SP 800-171FedRAMPSecurity of Critical Infrastructure ActCritical Infrastructure SecurityFederal Security RegimesEnergy Sector SecurityUtilities SecurityProcess Industry Security

Tech Stack

Tools & technologies

Cyber Security

About the role

Key responsibilities & impact

Write and maintain the fleet operational technology and facility security standard
Apply the security standard to new sites through the design basis and to existing sites by assessment
Own the IEC 62443 architecture of the standard module and its application to each site, including zones, conduits, security level targets, component requirements and secure remote access
Own facility security compliance requirements and evidence packages for federal, defense and critical infrastructure regimes
Own the provenance and software bill of materials standard for module equipment and the exception process
Own the physical security design basis for the standard module and fleet
Hold security criteria at the Architecture Review Gate
Hold 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
Brief the Chief Information Officer monthly
Hire, develop and lead the security group

Requirements

What you’ll need

Bachelor's degree in electrical engineering, computer engineering, computer science or a related field; a master's degree is preferred
Equivalent professional experience is considered
Fifteen or more years in security engineering
At least eight years in operational technology or industrial control system security for utilities, energy, pipelines, process industry or critical facilities
Leadership of a security program across multiple sites
Leadership of an operational technology or facility security program across more than one site
Experience setting standards, assessing sites against them and owning findings with operations leaders
Operational technology security architecture depth sufficient to direct IEC 62443 work and critically assess supplier evidence
Direct experience with at least one federal, defense or critical infrastructure security regime from the facility side, including the assessment
Supply chain and provenance assurance for procured equipment under country-of-origin or restricted-source rules
Management of security engineers
Budget ownership for assessments and external specialists
Preferred certifications: ISA/IEC 62443 Cybersecurity Expert, CISSP, GICSP, Physical Security Professional
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
Pre-employment screening, including background check and substance testing, may be required according to company policies
Authorization to work in the United States, verified through E-Verify and Form I-9

Benefits

Comp & perks

Relocation and Living-out-allowance (as applicable and based on successful candidate circumstances)
100% company paid health insurance premiums (medical, dental, and vision) for employees
75% company paid coverage for dependents
Company-paid short-term and long-term disability insurance
Voluntary life, critical illness, and accident coverage available
Health Savings Accounts (HSA) 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 (PTO) and paid holidays
Professional development to support certifications, continuing education, or role related training
Company events and team-building activities