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Operational Technology (OT) Security Architect

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Accenture

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Location:
Ireland , Dublin

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

Not provided
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Job Description:

The OT Security Architect is responsible for protecting industrial control systems (ICS) and operational technology environments against cyber threats while ensuring safety, availability, and regulatory compliance. The role bridges IT and OT, enabling secure digital operations across critical infrastructure environments such as utilities, energy, manufacturing, and transportation.

Job Responsibility:

  • OT Security Strategy & Governance
  • Architecture & Secure Design
  • Threat & Vulnerability Management
  • Security Controls Implementation
  • Compliance & Regulatory Assurance
  • Stakeholder & Delivery Management

Requirements:

  • Define and implement OT cybersecurity strategy, policies, and standards aligned to IEC 62443, NIST 800 82, NIS D, and ISO 27001
  • Establish OT security governance models and maintain OT risk registers across facilities
  • Act as a trusted advisor to OT operations, engineering, and executive stakeholders
  • Design secure OT network architectures aligned to the Purdue Model (Levels 0–3.5)
  • Define and validate secure IT/OT integration patterns, including data flows, remote access, and segmentation
  • Review and secure digital transformation initiatives (e.g., historians, analytics platforms)
  • Conduct OT specific risk assessments, vulnerability assessments, and penetration testing of SCADA/DCS/PLC environments
  • Implement vulnerability management and patching strategies suitable for safety critical systems
  • Support OT incident response and forensic investigations
  • Deploy and operate OT security technologies including: OT Intrusion Detection / Network Monitoring (e.g., passive IDS), Firewalls and segmentation controls at Levels 2 & 3, Secure remote access solutions, Removable media controls and data diodes
  • Support deployment across geographically dispersed and remote field sites
  • Support compliance with NIS D, sector specific regulations, and audit requirements
  • Prepare evidence, security reports, and remediation plans for regulatory and internal audits
  • Translate regulatory requirements into practical, site level security controls
  • Liaise with plant operators, OT engineers, OEMs, vendors, and system integrators
  • Lead or support multi-site OT security deployments and uplift programmes
  • Provide training and awareness sessions for OT and SCADA teams

Additional Information:

Job Posted:
April 10, 2026

Employment Type:
Fulltime
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