Cyber SDC - OT - Security Architect

EY; Minneapolis (MN); On-site; USD 140,000 - 200,000; Full time

Job summary

EY seeks a Security Architect – Operational Technology (OT) to provide architecture guidance and oversight for industrial and OT environments. The role focuses on site-level design reviews, network segmentation validation, secure connectivity planning, and risk-based technical decisions.

Collaboration spans cybersecurity, infrastructure, engineering, operations, and site teams to ensure secure, supportable OT solutions.

Qualifications

• Experience designing and advising OT security architectures.
• Ability to review site-level OT network, firewall, and secure-access designs for standards.
• Risk-based technical decision-making and design validation for OT environments.

Responsibilities

• 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 standards.
• Identify gaps between proposed implementations and architecture requirements; recommend remediation options.

Skills

OT cybersecurity

Security architecture

Network segmentation

Job description

Location: Anywhere in Country

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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