Sr. Infrastructure Specialist

Abbott has been operating in Ireland since 1946, serving the Irish market with a diverse range of healthcare products.

A successful completion of a pre‑employment medical examination, including drug and alcohol screening, is required.

The Senior IT Infrastructure Specialist designs, implements, and maintains resilient, scalable, and secure enterprise infrastructure across data centre, network, and core backbone environments. The role partners closely with business and technical stakeholders to translate operational needs into robust technology solutions.

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• Collaborate independently with user groups and business stakeholders to identify infrastructure requirements and resolve complex technical challenges.
  
• Design, implement, administer, and upgrade data‑centre and core backbone network infrastructure to support business growth and availability targets.
  
• Architect and review fibre optic ring and backbone topologies to ensure redundancy, scalability, and high availability.
  
• Design and administer SAN fabric architectures and topologies to support enterprise data‑centre environments.
  
• Review, interpret, and validate logical and physical network topology diagrams to support infrastructure planning and deployment.
  
• Perform and oversee rack‑and‑stack deployments, ensuring optimal layout, airflow, power distribution, and cabling standards.
  
• Lead or support IT electrical installations, including UPS, PDU, ATS, and power distribution best practices.
  
• Provide hands‑on expertise within data‑centre environments, including build‑outs, upgrades, break‑fix, and optimisation activities.
  
• Provision infrastructure equipment for upgrades and expansions, ensuring compliance with design standards and deployment timelines.
  
• Operate with limited supervision in managing infrastructure incidents, changes, and improvements.
  
• Utilise ServiceNow, Infrastructure Technology Architecture (ITA), and Data Centre Expert (DCE) platforms for asset and capacity reporting, change design and impact analysis, and alerting, monitoring, and operational visibility.
  
• Maintain accurate technical documentation, topology diagrams, procedures, and standards.
  
• Apply strong technical judgement in development, process optimisation, re‑engineering, and infrastructure modernisation initiatives.
  
• Maintain current knowledge of emerging infrastructure technologies, tools, and industry best practices.
  
• Provide technical leadership and mentorship to junior engineers and project teams as required.
  

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• 3–7+ years of progressive experience in IT infrastructure, data‑centre, or network engineering roles (senior specialist level).
  
• Proven experience designing and supporting enterprise data‑centre environments, including power, cabling, rack layout, and hardware lifecycle management.
  
• Hands‑on expertise with SAN storage environments and fabric designs (e.g., Fibre Channel, redundancy models, topology optimisation).
  
• Strong experience provisioning and installing infrastructure hardware for network and data‑centre upgrades.
  

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• Fibre optic cabling and ring topology design
  
• SAN fabric design and administration
  
• Core network and backbone infrastructure
  
• UPS, PDU, ATS and data‑centre power systems
  
• Rack & stack, structured cabling, and infrastructure standards
  
• ServiceNow (advanced operational use)
  
• IT architecture and data‑centre management tools (ITA, DCE)
  

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• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related technical discipline is preferred.
  
• Equivalent professional experience may be considered in lieu of formal education. xcfaprz
  
• Certifications (advantageous): CCNA / CCNP / CCDP, ITIL, data‑centre or vendor‑specific certifications (e.g., SAN, network, power systems).