EY- Cyber Security - OT Cybersecurity- Manager

EY; Ernakulam; On-site; INR 3,500,000 - 6,500,000; Full time

Job summary

EY is seeking a Manager - Cyber Security focusing on OT Cybersecurity to lead and deliver OT security engagements across critical infrastructure sectors. You will assess, design, and strengthen OT security postures for clients in energy, utilities, and smart city ecosystems while coordinating with cross-functional teams to enable resilient operations.

The role requires deep OT/ICS knowledge, exposure to Dragos and Nozomi platforms, and the ability to communicate complex risks to executive

Qualifications

• OT risk assessments and maturity assessments.
• Architecture and network segmentation reviews.
• Security posture evaluations across SCADA, DCS, PLC, HMI, and IC…
• OT-focused vulnerability assessments.
• OT monitoring solutions and governance.
• OT detection and response design and validation.
• Industrial threat modeling and risk quantification.
• OT cybersecurity roadmaps and transformation programs.

Responsibilities

• Lead and deliver OT cybersecurity engagements across clients in the MENA region.
• Coordinate with engineering and operations teams for vulnerability assessments.
• Design and validate OT detection and response capabilities.
• Develop OT cybersecurity roadmaps aligned with IEC 62443, NIST SP 800-82, and regional frameworks.
• Bridge engineering, operations, and IT/security teams for practical solutions.

Skills

OT Security

ICS security

SCADA

Education

Cyber Security/Engineering degree

Tools

Dragos Platform

Nozomi Networks

Job description

EY- Cyber Security - OT Cybersecurity- Manager

Other locations: Anywhere in Country

Date: Oct 7, 2026

Requisition ID: 1746164

At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all.

EY - Manager – Cyber Security – OT Cybersecurity

Core Skills: OT Security, IC…

The Opportunity

As part of our Cyber Technology Consulting practice, you will lead and deliver Operational Technology (OT) cybersecurity engagements across clients in the MENA region, particularly within Energy, Oil & Gas, Utilities, and Smart City ecosystems.

You will work with some of the region’s most critical infrastructure operators to assess, design, and enhance their OT security posture, ensuring resilience against evolving cyber threats targeting industrial environments. The role provides the opportunity to operate at the intersection of industrial operations, cybersecurity, and digital transformation, while contributing to the growth of our OT Security competency

Your Key Responsibilities

Client Delivery & Engagement Management

• Lead and deliverOT cybersecurity engagements, including:
  • OT risk assessments and maturity assessments
  • Architecture and network segmentation reviews
  • Security posture evaluations across SCADA, DCS, PLC, HMI, and IC…
• PerformOT-focused vulnerability assessments and exposure analysis in coordination with engineering and operations teams.
• Implement and operationalize OT monitoring solutions including:
  • Dragos Platform
  • Nozomi Networks Guardian / Vantage
• Design and validateOT detection and response capabilities, leveraging network traffic analysis, anomaly detection, and threat intelligence.
• Conductindustrial threat modeling and risk quantification aligned to operational impact, safety, and business continuity considerations.
• Develop OT cybersecurity roadmaps and transformation programs, aligned with frameworks such as:
  • IEC 62443
  • NIST SP 800-82
  • NCA (KSA) / regional regulatory frameworks
• Support implementation of:
  • OT network segmentation (zones & conduits)
  • Secure remote access for vendors and operators
  • OT-specific incident response and crisis management playbooks

Sector-Specific Advisory

• Apply deep understanding of industrial processes and control systems across:
  • Energy and Power Generation
  • Oil & Gas (Upstream, Midstream, Downstream)
  • Utilities (Water, Electricity Distribution, Smart Grids)
  • Smart Cities and Critical Infrastructure ecosystems
• Align OT security recommendations with operational priorities such as safety, availability, reliability, and regulatory compliance.
• Bridge the gap between engineering, operations, and IT/security teams, ensuring practical and implementable solutions.

Stakeholder Engagement & Advisory

• Act as a trusted advisor to CISOs, Plant Managers, OT Engineers, and Executive Leadership.
• Translate complex technical issues into business, safety, and operational risk impacts.
• Deliver executive-level briefings and technical deep-dives, tailored to diverse stakeholder groups.
• Facilitate workshops, tabletop exercises, and scenario-based discussions for OT cyber resilience.

Practice & Capability Development

• Contribute to the growth of the OT Cybersecurity practice, including:
  • Development of methodologies, playbooks, and accelerators
  • Standardization of OT assessment frameworks and delivery artifacts
• RFP/RFI responses
• Client presentations and solution articulation
• Thought leadership in OT cybersecurity and industrial resilience
• Stay current with:
  • Emerging OT threats and attack campaigns
  • ICS vulnerabilities and adversary tactics
  • Evolving regulatory requirements across the MENA region
• Lead, mentor, and develop a team of OT security consultants and specialists.
• Build cross-functional capability across OT, IT, and cyber domains.
• Drive a culture of technical excellence, safety awareness, and delivery quality.
• Provide structured feedback, coaching, and career development aligned to firm objectives.

Skills and Attributes for Success

• Strong understanding of OT/ICS cybersecurity principles, including security challenges unique to industrial environments.
• Hands-on experience with OT security platforms, especially:
  • Dragos
  • Nozomi Networks
• Deep knowledge of:
  • Industrial communication protocols (Modbus, DNP3, OPC-UA, PROFINET, IEC 61850)
  • OT asset visibility, anomaly detection, and network monitoring
  • Experience in installation, commissioning, FAT, and SAT of IC… systems like DCS, PLC, SCADA, and Network Devices in IC… related Projects.
• Proven capability in conducting OT risk assessments, including:
  • Threat modeling
  • Risk quantification
  • Control gap analysis
• Strong understanding of industrial processes and operational workflows across Energy, Oil & Gas, Utilities, or Smart City environments.
• Familiarity with IT/OT convergence risks, segmentation strategies, and secure architecture design.
• Ability to communicate complex technical findings in a clear, business-impact context.
• Strong analytical, problem-solving, and stakeholder management skills.
• Experience in managing large, multi-stream client engagements.

To Qualify for the Role, You Must Have:

• Bachelor’s or Master’s degree in Cyber Security, Engineering (Electrical/Instrumentation/Industrial), Information Technology, or related discipline.
• 10–15 years of experience, with at least 5–7 years in OT/ICS cybersecurity.
• Proven hands-on experience with:
  • OT security assessments and architecture reviews
  • Deployment or use of Dragos and/or Nozomi platforms
  • OT risk and maturity assessments
• Experience working with clients in Energy, Oil & Gas, Utilities, or Smart Infrastructure sectors.
• Strong consulting, stakeholder management, and communication skills.
• Ability to manage multiple engagements and deliver high-quality outcomes.
• Willingness to travel across the MENA region, as required.

Ideally, You’ll Also Have

• Certifications such as:
  • GICSP (Global Industrial Cyber Security Professional)
  • ISA/IEC 62443 certifications
  • SANS IC (GRID, IC410, IC515)
  • CISSP / CISM (added advantage)
• Experience in:
  • OT incident response and forensic investigations
  • Industrial SOC / OT SOC design and implementation
  • Smart City cybersecurity architecture
  • Integration of OT with enterprise security tools (SIEM, SOAR, XDR)
• Exposure to leading OT vendors such as:
  • Claroty, Dragos, Nozomi, Tenable.ot, Forescout etc.

What We Look For

We seek individuals who:

• Have a growth mindset and bring a strong blend of OT domain knowledge and cybersecurity expertise
• Can operate effectively across engineering, operations, and cybersecurity stakeholders
• Demonstrate client-centricity, problem-solving, and solution-driven thinking
• Are passionate about securing critical infrastructure and industrial ecosystems
• Contribute to practice growth, innovation, and team development
• The ability to balance deep technical expertise with business acumen
• A collaborative approach to problem-solving and innovation
• A commitment to quality, integrity, and continuous improvement

EY | Building a better working world

EY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets.

Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate.

Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.

EY refers to the global organization, and may refer to one or more, of the member firms of Ernst & Young Global Limited, each of which is a separate legal entity. Ernst & Young Global Limited, a UK company limited by guarantee, does not provide services to clients.