Operational Technology (OT) Security Architect

Accenture UK & Ireland; Dublin; Vor Ort; EUR 85.000 - 120.000; Vollzeit

Zusammenfassung

Accenture UK & Ireland is seeking an OT Security Architect to protect ICS/OT environments and enable secure digital operations across utilities, energy, manufacturing, and transportation sectors. You will bridge IT and OT, implement IEC 62443/NIST 800-82/NIS D/ISO 27001-aligned controls, and lead multi-site deployments.

You will lead risk assessments, vulnerability management, and incident response, while coordinating with OT engineers, operators, and vendors to ensure safety and regulatory

Qualifikationen

• Strong hands-on experience in OT / ICs environment.
• Deep understanding of industrial networking, protocols, and architectures.
• Proven experience delivering OT security assessments, designs, and implementations.

Aufgaben

• Define and implement OT cybersecurity strategy, policies, and standards aligned to IEC 62443, NIST 800-82, NISD, 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 for safety critical systems.
• Support OT incident response and forensic investigations.
• Deploy and operate OT security technologies including OT Intrusion Detection / Network Monitoring, firewalls and segmentation controls at Levels 2 & 3, secure remote access solutions, removable media controls and data diodes.

Jobbeschreibung

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.

Key Responsibilities

OT Security Strategy & Governance

• 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.

Architecture & Secure Design

• 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).

Threat & Vulnerability Management

• 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.

Security Controls Implementation

• 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.

Compliance & Regulatory Assurance

• 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.

Stakeholder & Delivery Management

• 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.

Required Experience & Skills

• Strong hands-on experience in OT / IC... environment.
• Deep understanding of industrial networking, protocols, and architectures.
• Proven experience delivering OT security assessments, designs, and implementations.
• Knowledge of OT security standards and frameworks:
  • IEC 62443
  • NIST 800 82
  • NIS D
  • ISO 27001 (OT relevant controls)
• Experience working in critical infrastructure or highly regulated environments.