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Operational Technology (OT) Senior Security Engineer

Dublin, County Dublin, ie💼 Full-time🗓 2026-08-12 → 2026-09-25

Core

Design, assess, harden, and support Operational Technology (OT) and Industrial Control Systems (ICS) environments for manufacturing and research operations, applying secure-by-design principles to reduce risk and strengthen visibility.

Role type

Senior IC OT Security Engineer

Builds

Secure OT/ICS architectures, network topologies, and operational solutions for manufacturing and research technology initiatives

Domain

Pharmaceutical manufacturing and research operations

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

OT/ICS network design, secure-by-design methodology, risk assessment, incident response, system hardening, architecture reviews, vendor management, GxP compliance, NIST/ISA/IEC framework application

Preferred skills

Cloud and OT/ICS integration, pharmaceutical industry experience, regulated environment experience

Technologies

NIST SP 800-53, NIST SP 800-82, ISA/IEC 62443

Responsibilities

Conceive, design, engineer, and implement OT security solutions; lead cybersecurity assessments and design reviews; provide consultation on OT security practices and network architectures; research and evaluate alternative security solutions; configure and integrate existing technologies; mentor team members; support cyber incident response and remediation

Seniority

Senior, hands-on IC with mentorship responsibilities

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