Senior IT Systems Lead
Country: Ireland
City: Castlemungret
Req ID: 521486
About Irish Cement
Irish Cement Limited is a fully owned subsidiary of CRH plc and has manufactured cement in Ireland for over 85 years. It operates two cement-manufacturing facilities, one situated in Platin, approximately 5km from Drogheda, Co. Louth and a second in Castlemungret, Co. Limerick. Production uses the most advanced, energy-efficient technology to create a range of high-quality cements to the highest Irish and International standards.
Irish Cement Limited is seeking applications for a permanent position of a Senior IT Systems Lead in Limerick Works, Castlemungret, Co. Limerick. Irish Cement Limited is a fully owned subsidiary of CRH plc and has manufactured cement in Ireland for over 85 years. It operates two cement-manufacturing facilities, one situated in Platin, approximately 5km from Drogheda, Co. Louth and a second in Castlemungret, Co. Limerick. Production uses the most advanced, energy-efficient technology to create a range of high-quality cements to the highest Irish and International standards.
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 cement plants, ensuring all systems and networks remain compliant with relevant policies.
• Manage and support the industrial weighbridge and dispatch systems across Ireland and UK operations
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• 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.
• Act as the TDM Champion for Knowledge Management Systems, ensuring effective use of ABB KM and supporting future information requirements.
• 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
• 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.
Core Skills
• 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)
Additional
• Full driving licence.
• Candidates must be comfortable with frequent regional and UK travel when required.
• Flexibility outside of normal business hours and weekend work will sometimes be necessary.
Location
• Irish Cement Ltd, Castlemungret, Limerick, Co. Limerick
This vacancy provides an exciting opportunity for the successful candidate to join the CRH group. CRH is a leading provider of building materials solutions that build, connect and improve our world. Employing 78,500 people at 3,390 operating locations in 28 countries, CRH has market leadership positions in both North America and Europe. As the essential partner for road and critical utility infrastructure, commercial building projects and outdoor living solutions, CRH's unique offering of materials, products and value-added services helps to deliver a more resilient and sustainable built environment. The company is ranked among sector leaders by Environmental, Social and Governance (ESG) rating agencies.
A Fortune 500 company, CRH's shares are listed on the NYSE and LSE. See www.crh.com for more information.
Visit www.irishcement.ie/careers for more information
Perks and Benefits
Health and Wellness
- Health Insurance
- Dental Insurance
- Vision Insurance
- Life Insurance
- Short-Term Disability
- Long-Term Disability
- HSA
Parental Benefits
- Birth Parent or Maternity Leave
- Non-Birth Parent or Paternity Leave
Work Flexibility
- Remote Work Opportunities
- Hybrid Work Opportunities
Office Life and Perks
Vacation and Time Off
- Paid Vacation
- Paid Holidays
- Personal/Sick Days
Financial and Retirement
- 401(K) With Company Matching
- Profit Sharing
Professional Development
Diversity and Inclusion