Principal Security Architect & Client Lead
Location: Munster Region, Ireland (Hybrid: 3 days onsite Cork)
Employment Type: 6-Month Contract (With scope for extension)
Role Purpose
We are seeking an experienced Principal Security Architect & Client Lead to act as an embedded technical authority and senior stakeholder lead for a major, highly regulated critical infrastructure organization in Munster.
This is an embedded delivery-leadership role bridging enterprise IT and Operational Technology (OT) environments. Working on behalf of a leading professional services practice, you will sit on-site alongside senior client executives (including the CISO and Head of IT), driving security architecture roadmaps, resolving cross-project dependencies, and establishing trusted advisory relationships across a multi-year cybersecurity transformation program.
Key Responsibilities
1. Architecture Leadership & IT/OT Convergence
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Lead security design and strategy across enterprise IT, OT, and Industrial Automation environments.
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Align cybersecurity controls with strict operational safety, resilience, and high-availability requirements.
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Develop pragmatic technical roadmaps covering network, cloud, identity, endpoint, and application security.
2. On-Site Client & Delivery Leadership
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Serve as the primary on-site technical contact, building rapport with senior executive and operational stakeholders.
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Walk the halls, engage key engineering and business leads, and foster a collaborative, solution-oriented culture.
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Maintain oversight across concurrent cybersecurity workstreams, resolving technical blockers and cross-project dependencies.
3. Strategy, Risk & Governance
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Translate complex cyber risks, strategic priorities, and regulatory requirements (NIS2, IEC 62443, NIST CSF, ISO 27001) into implementable technical solutions.
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Advise on emerging cyber threats, cloud adoption, and the security implications of increasing IT/OT integration.
Candidate Profile & Requirements
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Technical Background: 7+ years of experience as a Senior or Principal Security Architect within complex, highly regulated, or industrial/CNI environments.
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IT/OT Knowledge: Practical understanding of securing converged IT/OT environments, including network segmentation, identity management, and operational safety constraints.
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Stakeholder Tenacity & Gravitas: Exceptional interpersonal and consulting skills. High confidence navigating complex organizational dynamics, pushing back constructively, and driving consensus across senior teams.
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Location & Presence: Ability to commit to on-site presence in Munster 3 to 5 days per week during key program delivery and onboarding phases.
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Preferred Background: Direct experience within Energy, Utilities, Transportation, CNI, or large-scale Pharma/Manufacturing environments in Ireland.
