Senior OT Security Architect - Site & Network Design

EY; Dallas (TX); On-site; USD 140,000 - 200,000; Full time

Job summary

EY in the United States is seeking an experienced Security Architect – Operational Technology (OT) to provide architecture guidance and technical oversight for industrial environments. You will review site-level designs, validate network segmentation, plan secure connectivity, and support risk-based technical decisions across multiple sites.

This senior role collaborates with cybersecurity, infrastructure, engineering, and operations teams to ensure OT solutions are secure, standards-aligned,

Responsibilities

• Architecture Standards Adherence: Apply established OT cybersecurity standards and approved design patterns to site-level implementations.
• Review proposed OT network, firewall, secure access, monitoring, and infrastructure designs for alignment with approved standards.
• Identify gaps between proposed implementations and established architecture requirements.
• Recommend practical remediation options for design constraints, exceptions, or

Job description

EY in the United States is seeking an experienced Security Architect – Operational Technology (OT) to provide architecture guidance and technical oversight for industrial environments. You will review site-level designs, validate network segmentation, plan secure connectivity, and support risk-based technical decisions across multiple sites.

This senior role collaborates with cybersecurity, infrastructure, engineering, and operations teams to ensure OT solutions are secure, standards-aligned,