Senior IT Systems Lead - County Limerick

Senior IT Systems Lead - County Limerick.

Key Responsibilities
• Provide 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 Requirements needed for this role:

• Minimum 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.

Qualifications
• Industry-standard certification (Microsoft, Cisco, Fortinet, CompTIA or equivalent)

Desirable
• Experience in industries that use operational systems (e.g. manufacturing, utilities, transport)