Senior OT Security Architect — Industrial Cyber

EY; Boca Raton (FL); Hybrid; USD 105,000 - 192,000; Full time

Benefits offered by this job

Hybrid work model

Total Rewards package

Job summary

EY’s Security Architect – OT role provides architecture guidance and senior technical oversight for industrial environments, ensuring site-level implementations follow cybersecurity standards and approved design patterns. You will assess segmentation, secure connectivity planning, exception analysis, and operational readiness across engineering, operations, and security teams.

This position requires extensive OT security experience, strong communication and documentation skills, and the ability

Qualifications

• Bachelor's degree in cybersecurity, information technology, engineering, computer science, or related field.
• 8–10+ years of experience in cybersecurity, infrastructure, networking, or security architecture.
• 5+ years supporting OT/manufacturing environments.
• Strong communication, documentation, stakeholder management, and risk-based decision-making skills.

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 approved standards.
• Identify gaps between proposed implementations and established architecture requirements.
• Recommend practical remediation options for design constraints, exceptions, or operational support concerns.
• Validate that designs include monitoring, alerting, documentation, support records, and escalation considerations.

Skills

OT security architecture

Network segmentation

Firewall policy architecture

Security monitoring concepts

Zero Trust principles

Risk assessment

Industrial networking

Documentation and handoff

Stakeholder coordination

Education

Bachelor's degree in Cybersecurity, Information Technology, Engineering, Computer Science, or related field

Job description

EY’s Security Architect – OT role provides architecture guidance and senior technical oversight for industrial environments, ensuring site-level implementations follow cybersecurity standards and approved design patterns. You will assess segmentation, secure connectivity planning, exception analysis, and operational readiness across engineering, operations, and security teams.

This position requires extensive OT security experience, strong communication and documentation skills, and the ability