Job Description
Critical Infrastructure Specialist
Opportunity
The Critical Infrastructure Specialist is accountable for the reliability, security, and compliance of site-level critical infrastructure supporting manufacturing and laboratory operations. This role serves as the single point of accountability for IT‑for‑OT infrastructure at the site, ensuring services are delivered in alignment with global CIM standards, cybersecurity requirements, and GxP expectations. The position safeguards continuity of supply by proactively managing infrastructure lifecycle, risk, and performance across OT hosting, endpoints, and network environments. The role operates within Takeda’s global operating model while ensuring effective local execution in a 24/7, production‑critical environment.
Responsibilities
Own availability and performance, resilience, and compliance of all site critical infrastructure supporting OT use cases.
Manage infrastructure risks including capacity, obsolescence, and single points of failure.
Ensure infrastructure is fit‑for‑purpose to support uninterrupted manufacturing and lab operations.
Ensure infrastructure services meet GxP, data integrity, and validation requirements.
Support audits and inspections, including documentation, evidence, and remediation.
Maintain infrastructure in a validated and inspection‑ready state at all times.
Apply global CIM, infrastructure, and OT cybersecurity standards at the site level.
Ensure alignment with IT4OT architecture, including segmentation and secure design principles.
Partner with Global Cybersecurity to manage vulnerabilities, incidents, and risk mitigation.
Implement, operate, and maintain OT hosting platforms (compute, storage, virtualization, Citrix).
Manage OT endpoints, including configuration, patching, and operational support.
Support infrastructure lifecycle activities including upgrades, migrations, and decommissioning.
Ensure availability and resilience of OT network infrastructure supporting manufacturing and labs.
Enforce network segmentation and security standards aligned with global architecture.
Coordinate network changes, incidents, and recovery activities impacting production systems.
Operate services in line with ITSM processes (Incident, Problem, Change, Request).
Maintain CMDB accuracy, service documentation, and KPI/SLA performance.
Proactively monitor infrastructure health, performance, and capacity.
Manage infrastructure lifecycle including patching, upgrades, and end‑of‑life planning.
Maintain asset and configuration management in line with global standards.
Partner with site leadership, Quality, Engineering, and Automation teams.
Coordinate activities with production schedules and validation requirements.
Manage third‑party vendors and ensure service delivery meets site needs.
Support delivery of infrastructure initiatives and projects at the site.
Drive continuous improvement in infrastructure reliability, standardization, and performance.
Contribute to global knowledge sharing and adoption of best practices.
Job Requirements
Education & Experience
Bachelor’s degree in Engineering, Information Technology, Computer Science, or related field (or equivalent experience).
Experience supporting IT/OT infrastructure in manufacturing or laboratory environments.
Exposure to GxP‑regulated environments, including validation and inspection readiness.
Good to very good knowledge in Microsoft server products and the relevant server roles (Active Directory, File & Print Services, Microsoft Exchange).
IT security products (Secomea, etc.).
Skills in virtualization (VMware and Hyper‑V).
Knowledge of backup concepts, use of AVAMAR or similar tools.
Experience with patch management tools (preferably WSUS and Ninja One).
Experience with Citrix (maintenance, setup).
Key Skills & Competencies
Strong understanding of Critical Infrastructure Management (CIM) and IT‑for‑OT environments.
Experience with OT infrastructure, including hosting platforms, endpoints, and networking.
Knowledge of OT cybersecurity principles and secure architecture design.
Familiarity with GxP requirements, data integrity, and validated systems.
Experience with infrastructure lifecycle management (patching, upgrades, obsolescence).
Working knowledge of ITSM processes and tools (e.g., ServiceNow).
Ability to troubleshoot complex infrastructure issues in production‑critical environments.
Strong stakeholder management and communication skills across technical and business teams.
Ability to prioritize and execute in high‑pressure, 24/7 operational environments.
Location
Bray, Ireland
Base Salary Range
€57,800.00 - €79,420.00
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