Senior OT Architecture & Governance Lead - Defect & Security

EY; McLean (VA); Remote; USD 78,000 - 161,000; Full time

Job summary

EY is seeking an OT Senior Architecture & Governance professional to drive governance, architecture oversight, and defect resolution across OT environments. You will collaborate with cross-functional teams to ensure OT systems are secure, compliant, and continuously improved through structured governance and defect management processes.

You will support the OT manager with defects tracking, architecture approvals for OT systems, VLANs, and controls, and oversee risk mitigation, reporting on

Qualifications

• Experience with Operational Technology (OT) environments and governance.
• Experience with end-to-end issues management and defect workflows.
• Ability to build SOPs, trackers, and reporting templates.

Responsibilities

• Review OT system designs for alignment with enterprise architecture standards.
• Maintain governance frameworks, SOPs, and documentation.
• Lead defect intake, triage, and remediation cycles.
• Collaborate with OT architects, system owners, cybersecurity teams, and DECA to resolve issues.
• Develop and maintain documentation related to OT architecture standards and governance processes.

Skills

OT governance

defect management

security architecture

cybersecurity frameworks

risk assessment

Tools

ServiceNow

Optro

Job description

EY is seeking an OT Senior Architecture & Governance professional to drive governance, architecture oversight, and defect resolution across OT environments. You will collaborate with cross-functional teams to ensure OT systems are secure, compliant, and continuously improved through structured governance and defect management processes.

You will support the OT manager with defects tracking, architecture approvals for OT systems, VLANs, and controls, and oversee risk mitigation, reporting on