Cyber SDC - OT - Security Architect

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

Location: Anywhere in Country

At EY, we’re all in to shape your future with confidence.

We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world.

External Role Description

Role Family

Operational Technology Cybersecurity Architecture

Primary Focus

Site-level architecture guidance, standards adherence, design validation, and technical risk advisory

Seniority

Senior / Lead Architect

Role Positioning

Senior OT security architecture advisor supporting secure and supportable industrial environments

Practice Description

Organizations operating industrial and operational technology environments require consistent application of cybersecurity standards, secure connectivity patterns, network segmentation practices, and operational support requirements across diverse site environments.

The Security Architect – OT role provides architecture guidance, design validation, and technical advisory support to help ensure OT environments are implemented and operated in alignment with established security requirements and approved design patterns.

Job Summary

We are seeking an experienced Security Architect – Operational Technology (OT) to provide architecture guidance and technical oversight for industrial, manufacturing, laboratory, and operational technology environments.

This role supports site-level design reviews, network segmentation validation, secure connectivity planning, exception analysis, operational readiness, and risk-based technical decision-making. The architect works across cybersecurity, infrastructure, engineering, operations, and site teams to help ensure OT solutions are secure, supportable, and aligned to established standards.

Role positioning:

This role applies and interprets established architecture standards rather than defining enterprise standards or performing routine day-to-day governance queue execution.

Key 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