OT Security Architect: Strategy & Secure OT Network Design

Accenture; Dublin; On-site; EUR 90,000 - 120,000; Full time

Job summary

Accenture is seeking an experienced OT Security expert in Ireland to lead strategy, governance, and secure design across OT/ICS environments. You will collaborate with OT operations, engineering and executives to align with IEC 62443, NIST 800-82, NISD and ISO 27001 OT controls.

You will oversee risk registers, vulnerability and pen-testing programs, and implement secure IT/OT integration and remote access patterns. This role involves multi-site deployments and regulatory compliance support.

Qualifications

• Strong hands-on experience in OT/ICS/SCADA/DCS environments.
• Deep understanding of industrial networking, protocols, and architectures.
• Proven experience delivering OT security assessments, designs, and implementations.
• Knowledge of OT security standards and frameworks such as IEC 62443, NIST 800-82, NISD, ISO 27001 OT controls.

Responsibilities

• Define and implement OT cybersecurity strategy, policies, and standards aligned to IEC 62443, NIST 800-82, NISD, 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 and data flows.
• Review and secure digital transformation initiatives (historians, analytics platforms).
• Conduct OT risk and vulnerability assessments, 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 (IDS, firewalls, remote access, data diodes).
• Coordinate across dispersed field sites and uplift programmes.
• Translate regulatory requirements into practical site-level security controls.

Skills

OT/ICS/SCADA/DCS

Industrial networking

OT security assessments

OT security standards

Job description

Accenture is seeking an experienced OT Security expert in Ireland to lead strategy, governance, and secure design across OT/ICS environments. You will collaborate with OT operations, engineering and executives to align with IEC 62443, NIST 800-82, NISD and ISO 27001 OT controls.

You will oversee risk registers, vulnerability and pen-testing programs, and implement secure IT/OT integration and remote access patterns. This role involves multi-site deployments and regulatory compliance support.