Senior IT Systems Lead - County LimerickSenior IT Systems Lead - County Limerick.Key ResponsibilitiesProvide end‑to‑end technical support, from basic user guidance to 2nd and 3rd line issue resolution.Troubleshoot and resolve complex technical issues efficiently.Support and maintain critical IT systems that enable the continuous operation of 24/7 production plant, ensuring all systems and networks remain compliant with relevant policies.Manage and support the industrial weighbridge and dispatch systems across Ireland and UK operations.Act as an escalation point for infrastructure incidents.Ensure all systems and networks remain compliant with relevant policies while maintaining strong security measures and proactively addressing vulnerabilities.Offer support to the IT Service Desk, providing guidance and expertise on infrastructure‑related issues.Mentor junior team members and deliver technical guidance.Assist in maintaining systems that ensure production runs safely and smoothly.Collaborate with operational teams to minimise downtime and enhance performance.Occasionally lead the design, implementation, and support of IT infrastructure solutions to meet business needs.Lead laboratory network system integrations and upgrades, including platforms such as FLS QCX Robolab, Malvern Panalytical and Bruker XRF/XRD/Mastersizer, and Toni Technik ToniSet/ToniCom.Manage and support the patching process for dispatch, laboratory, and production systems.Develop and maintain detailed technical documentation, including system configurations, policies, procedures, and troubleshooting guides.Work closely with colleagues in operations, engineering, and other departments.Manage third‑party SLA agreements for IT/OT devices not covered under the central IT services agreement.Serve as the central point of contact for new initiatives, operational escalations, and daily technical coordination across the organisation.Oversee phone system configuration, modifications, and ongoing management.Experience & Technical RequirementsMinimum 5 years’ experience in IT infrastructure and enterprise systems support.Comfortable resolving issues across all support tiers from basic user guidance through to complex 3rd‑line technical issues.Proven experience working within Microsoft-based environments, applying security best practices and industry standards.Demonstrate capability in delivering IT infrastructure projects, from design through to implementation and handover.Strong experience supporting and managing multi‑site environments.Hands‑on expertise with enterprise networking technologies across multiple vendors, including Cisco and Fortinet.Knowledge of networking concepts and protocols, including LAN, WAN, DNS, DHCP, and TCP/IP.Experience with scripting and automation, particularly using PowerShell or comparable tools.Configuration, administration, and support of servers, switches, routers, and firewalls.Administration experience across Microsoft Windows Server.Solid understanding of backup and recovery solutions, including testing and validation of restores.Experience in disaster recovery planning, implementation, and execution.Proven ability to manage supplier relationships, including service delivery and performance management.Experience with vulnerability management frameworks and tools (Qualys desirable).Exposure to Microsoft SQL Server support, including maintenance and troubleshooting.Experience supporting VoIP and unified communications platforms.Solid understanding of safety, security, and reliability requirements across both IT and OT environments.Strong troubleshooting and analytical skills.Excellent communication and documentation.Experience with migrations and infrastructure upgrades.Ability to work under pressure and meet deadlines.QualificationsIndustry-standard certification (Microsoft, Cisco, Fortinet, CompTIA or equivalent)DesirableExperience in industries that use operational systems (e.g. manufacturing, utilities, transport)
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