Senior OT Cybersecurity Consultant for Industrial Control

EY; Houston (TX); Remote; USD 105,000 - 192,000; Full time

Job summary

EY is seeking OT cybersecurity specialists to help industrial clients strengthen defenses across OT environments. You will perform maturity assessments, risk analyses and architecture reviews, translating technical findings into actionable improvements for clients.

You'll collaborate with engineering, operations, IT and cybersecurity teams, prepare clear reports and diagrams, and contribute to proposals while staying current on ISA/IEC 62443 and NIST guidance in a dynamic consulting setting.

Qualifications

• Bachelor's degree in Cybersecurity, Computer Science, Information Technology, Engineering, Industrial Automation or related field, or equivalent relevant experience.
• Approximately 3 or more years of relevant cybersecurity, OT security, industrial automation or related experience.
• Experience performing or supporting OT cybersecurity assessments, architecture reviews, risk analysis, security design or implementation activities.
• Knowledge of OT and IC(s) environments and systems such as SCADA, DCS, PLC, RTU or HMI.
• Familiarity with ISA/IEC 62443, NIST SP 800-82, NIST CSF or comparable cybersecurity guidance.
• Experience producing professional reports, presentations, technical documentation or architecture artifacts.
• Ability and willingness to travel based on client and project needs.

Responsibilities

• Conduct OT cybersecurity maturity assessments, risk assessments, gap analyses, security audits, architecture reviews and vulnerability assessments.
• Assess industrial environments that may include IC(S), SCADA, DCS, PLC, RTU, HMI, SIS and IIoT technologies.
• Review OT network architectures, segmentation approaches, zones and conduits, firewall rules, secure remote access, system hardening, asset visibility and monitoring capabilities.
• Support the development of OT cybersecurity strategies, roadmaps, policies, standards, procedures, reference architectures and implementation plans.
• Design and support implementation of OT security solutions while considering safety, availability, reliability and operational constraints.
• Apply frameworks and standards such as ISA/IEC 62443, NIST SP 800-82 and NIST CSF. Apply sector-specific guidance when relevant.
• Participate in and facilitate client interviews, workshops and technical discussions with engineering, operations, maintenance, IT and cybersecurity stakeholders.
• Prepare clear client deliverables, technical documentation, architecture diagrams, executive presentations and prioritized recommendations.
• Lead defined workstreams and support project planning, status reporting, risk and issue tracking, resource planning and budget monitoring.

Job description

EY is seeking OT cybersecurity specialists to help industrial clients strengthen defenses across OT environments. You will perform maturity assessments, risk analyses and architecture reviews, translating technical findings into actionable improvements for clients.

You'll collaborate with engineering, operations, IT and cybersecurity teams, prepare clear reports and diagrams, and contribute to proposals while staying current on ISA/IEC 62443 and NIST guidance in a dynamic consulting setting.