Senior Information Technology System Administrator

Sr. IT System Admin

Location: Dublin

Contract Type: Long-Term Contract

Work Mode: Hybrid

Purpose of the Role

The IT Systems Administrator is responsible for the implementation, monitoring, maintenance, and support of the organization's IT infrastructure. The role involves managing Microsoft Windows Server environments, networking services, SharePoint and Power Automate solutions, Citrix DaaS, VMware vSphere, Veeam Backup systems, and providing Helpdesk support across Levels 1-3. The successful candidate will ensure system reliability, business continuity, end-user support, and continuous improvement of IT services.

Key Responsibilities

Infrastructure Management

• Configure, maintain, monitor, and optimize Microsoft Windows Server environments and network infrastructure.
• Support and administer VMware vSphere virtual environments.
• Manage and maintain Citrix DaaS infrastructure to ensure availability and performance.
• Monitor system performance and ensure stable operation of critical IT services.

SharePoint & Power Automate

• Administer and maintain Microsoft SharePoint environments.
• Develop and support business processes and workflows using Power Automate.
• Work with stakeholders to implement process improvements and automation solutions aligned with business requirements.

Backup, Recovery & Business Continuity

• Administer and maintain Veeam Backup solutions.
• Ensure backup, recovery, and failover processes are operating effectively.
• Support disaster recovery initiatives and safeguards to protect critical business systems and data.

Helpdesk & User Support (Level 1-3)

• Provide Level 1, Level 2, and Level 3 technical support for infrastructure, systems, and end-user issues.
• Troubleshoot and resolve hardware, software, server, network, virtualization, and application-related incidents.
• Perform root cause analysis and ensure timely resolution of support tickets.
• Support user onboarding and offboarding activities and provide user guidance where required.

Documentation & Reporting

• Maintain accurate documentation for systems, configurations, procedures, backups, and support activities.
• Produce reports on system performance, health, availability, and service delivery metrics.

Projects & Continuous Improvement

• Participate in IT infrastructure projects, including upgrades, migrations, deployments, and system enhancements.
• Collaborate with internal teams to deliver IT solutions effectively and on schedule.
• Stay informed about developments in relevant technologies and recommend improvements where appropriate.

Required Skills & Experience

• Microsoft Windows Server and Networking.
• Microsoft SharePoint and Power Automate.
• Citrix DaaS.
• VMware vSphere.
• Veeam Backup.
• Helpdesk Support (Level 1 - Level 3).
• Strong troubleshooting, system administration, and documentation skills.