Senior OT Security Architect - Site & Secure Connectivity

EY; Charleston (WV); Hybrid; USD 105,000 - 192,000; Full time

Benefits offered by this job

Hybrid work model

Competitive compensation

Paid time off

Medical and dental coverage

Job summary

EY seeks an experienced Security Architect – Operational Technology to guide site-level OT security architecture across industrial environments. You will validate designs for segmentation, secure connectivity, and monitoring, while advising on risk and remediation plans.

Collaboration with engineering and operations ensures secure, maintainable solutions. The role emphasizes applying established standards, providing technical oversight, and enabling steady-state support for diverse site

Qualifications

• Bachelor’s degree in Cybersecurity, IT, Engineering, CS or related field preferred.
• 8–10+ years in cybersecurity, infrastructure, or security architecture roles.
• 5+ years supporting OT/manufacturing environments.
• Strong knowledge of OT network security concepts and remote access.

Responsibilities

• Provide site-level OT security architecture guidance and oversight.
• Review OT designs for segmentation, firewall, and secure connectivity.
• Assess risks and advise on remediation for design deviations.
• Ensure designs include monitoring, documentation, and handoff artifacts.
• Collaborate with engineering and operations to transition designs to operations.

Skills

OT security architecture

Network security

Zero Trust

Risk assessment

Documentation

Stakeholder management

Industrial networking

Firewall policy

Segmentation

Education

Bachelor's degree in Cybersecurity, IT, Engineering, CS

Tools

Security frameworks (NIST CSF/IEC 62443)

Job description

EY seeks an experienced Security Architect – Operational Technology to guide site-level OT security architecture across industrial environments. You will validate designs for segmentation, secure connectivity, and monitoring, while advising on risk and remediation plans.

Collaboration with engineering and operations ensures secure, maintainable solutions. The role emphasizes applying established standards, providing technical oversight, and enabling steady-state support for diverse site