Senior OT Security Architect | Industrial Control Systems

EY; New York (NY); Hybrid; USD 105,000 - 219,000; Full time

Benefits offered by this job

Hybrid work model

Total rewards package

Paid time off

Job summary

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

The role supports site-level design reviews, network segmentation validation, secure connectivity planning, exception analysis and operational readiness while collaborating with cross-functional teams to ensure secure and supportable solutions.

Qualifications

• Bachelor's degree in Cybersecurity, Information Technology, Engineering, Computer Science, or related field.
• 8–10+ years of experience in cybersecurity, infrastructure, networking, industrial technology, or security architecture roles.
• 5+ years supporting OT, manufacturing, industrial, engineering, laboratory, or critical infrastructure environments.
• Strong understanding of network security, firewalls, segmentation, secure connectivity, remote access, and infrastructure support concepts.
• Experience reviewing technical designs against established architecture standards and operational requirements.
• Strong communication, documentation, stakeholder management, and risk-based decision-making skills.

Responsibilities

• Architectural guidance and technical oversight for OT environments.
• Site-level design reviews, network segmentation validation, secure connectivity planning.
• Risk assessments, exception analysis, and operational readiness support.
• Collaborate with engineering, operations, and site teams to ensure secure, operable OT solutions.

Skills

Communication

Stakeholder management

Documentation

Risk-based decision-making

Education

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

Job description

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

The role supports site-level design reviews, network segmentation validation, secure connectivity planning, exception analysis and operational readiness while collaborating with cross-functional teams to ensure secure and supportable solutions.