IT Systems Administrator, Dublin Pike

Mason Hayes&Curran is top tier full-service law firm based in the Dublin Docklands. We have a tradition of delivering consistently excellent advice and providing a broad range of legal services to multi-national, institutional and government clients. We are hiring a Systems Administrator to join our IT team of 11 in providing IT support to a firm of over 650 people. This is an excellent opportunity to join an established team and develop your skills and career in a supportive environment. So, if you like challenge, value autonomy, work well within a team - We invite you to grow your career with us!Experience Required

Experience as a Systems Administrator supporting Windows Server on premise and 365 cloud environments (2019 and above), within virtualised infrastructures. In depth knowledge and experience of managing Active Directory environments (both on-premises and Azure), including DNS, DHCP, and Group Policy.Strong proficiency in administering Microsoft 365 services, including Exchange Online, Intune, SharePoint, and related applications. Experience with SQL servers (2019 and newer) Experience with legal industry software such as iManage, BigHand, and Elite 3E an Advantage Exposure to Application Delivery Controllers or load balancing technologiesSolid understanding of networking principles and protocols. Experience working with cyber security tools and technologies, including patch management, antivirus solutions, and firewalls. Extensive hands‑on experience configuring, managing, and troubleshooting Cisco switches and routers in complex enterprise environmentsExpertise in configuring and supporting VPN technologies (IPSec, SSL VPNs, remote access solutions) Hands‑on experience deploying and managing Meraki wireless solutions Familiarity with AV over IP, video conferencing solutions (e.g., Teams/Zoom Rooms), and hardware troubleshooting Role Responsibilities

Systems Administration

Perform day‑to‑day administration of IT systems, including servers, workstations, and network infrastructure. Review daily system health checks, proactively identify issues, and collaborate with relevant teams to resolve them. Work closely with managed service providers to ensure optimal availability andperformance of systems and critical services.Support the deployment of Windows operating systems, applications, and updates using Microsoft tools such as Autopilot, SCCM, and Intune. Microsoft 365 Administration

Administer Microsoft 365 services, including Exchange Online, Teams, SharePoint, and OneDrive. Monitor system performance, troubleshoot issues, and carry out routine maintenance. Ensure compliance with industry standards, best practices, and internal policies. Security Administration

Install and configure security tools, ensuring systems remain compliant with organisational standards. Review security reports and implement recommended actions where necessary. Conduct regular technical and physical security audits. Escalate and coordinate changes to security configurations, including firewall updates, as required.Additional Responsibilities

Act as an escalation point for Level 1&2 Service Desk and wider IT team queries. Effectively prioritise and manage workloads to ensure timely completion of tasks. Why Mason, Hayes&Curran?

Excellent remuneration and benefits package; pension, healthcare&bonus; Friendly, open and informal working atmosphere; Focus on employee involvement, wellbeing and success; Social events, clubs and initiatives (Green Team, Working on Wellness, subsidised fitness classes, Diversity, Sports&Social and Art Committee, strong track record in CSR programmes, pro bono work and charitable efforts).

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