Find Security Jobs in Donnybrook, D

Operational Technology (OT) Security Architect
Accenture —Dublin, County Dublin
- Full-time
- No degree
Lead Sales Engineering Specialist - Security
Fivetran —Dublin, County Dublin
- Full-time
- Remote
- Azure
- Java
- SQL
- Annual leave
- Sick pay
Quick apply
Colo Physical Security Architect, Data Center Engineering, Colocation Regional Engineering
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- AWS
- Bachelor's degree
- Construction experience
Senior Staff Security Architect, Embedded Systems
Dolby —Dublin, County Dublin
- Computer Science
- Master's degree
- Bachelor's degree
Lead Security Architect - Flutter Functions
Flutter Entertainment —Dublin, County Dublin
- Full-time
- AWS
- Agile
- AI
Senior Quantity Surveyor - Security & Baggage
Turner & Townsend —Dublin, County Dublin
- Full-time
- In-person
- Leadership
- Annual leave
Quick apply
Data Center Security Manager, DUB South Security
Amazon Data Services Ireland Limited —Dublin, County Dublin
- Full-time
- AWS
4d
Engineering and Core Technology Manager, Security
Dolby —Dublin, County Dublin
- Computer Science
- Research
- Master's degree
Senior Applied Scientist, AWS Security
Amazon Development Centre Ireland Limited —Dublin, County Dublin
- Full-time
- Doctoral degree
- Research
- Master's degree
15h

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Lead Sales Engineering Specialist - Security
Fivetran —Dublin, County Dublin
Generous paid time-off policy (PTO), plus paid sick time, inclusive parental leave policy, holidays, and volunteer days off.
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Operational Technology (OT) Security Architect

Accenture -
Dublin, County Dublin

Apply Now

Job details

Full-time

Qualifications

NIS
IDS
Security

Full 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 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 / 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:
- IEC 62443
- NIST 800 82
- NIS D
- ISO 27001 (OT relevant controls)
Experience working in critical infrastructure or highly regulated environments.

#LI-EU

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Refine Your Search

security jobs in donnybrook, d

Operational Technology (OT) Security Architect

Lead Sales Engineering Specialist - Security

Colo Physical Security Architect, Data Center Engineering, Colocation Regional Engineering

Senior Staff Security Architect, Embedded Systems

Lead Security Architect - Flutter Functions

Senior Quantity Surveyor - Security & Baggage

Data Center Security Manager, DUB South Security

Engineering and Core Technology Manager, Security

Senior Applied Scientist, AWS Security

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