Senior OT Security Architect – Industrial Cyber & ICS

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

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.