System & Infrastructure Project Lead (Hybrid Cloud)

Forvis Mazars Ireland Limited; Dublin; On-site; EUR 85,000 - 115,000; Full time

Job summary

Forvis Mazars Ireland is seeking an experienced System and Infrastructure Administrator & Project Lead to maintain and optimize our core on‑premises IT environment while guiding the shift to a hybrid cloud model. You will oversee 16+ VMware hosts, ~200 servers, and 1,000 users, delivering secure, scalable infrastructure.

You will own end‑to‑end infrastructure projects, manage AD, DNS, DHCP, and GPOs, follow ISO27001, and collaborate with global IT and MSPs.

Qualifications

• 5+ years of experience in Windows Systems Administration in an enterprise environment (1,000+ users preferred).
• Experience with VMware ESXi and vCenter (specifically vSphere 8 or recent versions).
• Knowledge of Windows Server 2016+ (2019 preferred), Active Directory, and DNS/DHCP basics.
• Solid understanding of core Azure concepts (IaaS, PaaS, resource groups, virtual networking, storages).
• Familiarity with project management frameworks (Agile, Prince2, or PMP).
• Good knowledge of PowerShell scripting.
• Microsoft Azure Administrator Associate (AZ-104) highly recommended.
• Parallels RAS Server knowledge is a plus.

Responsibilities

• Maintain and optimize core on-premises environment powered by VMware vSphere 8 and Windows Server 2019.
• Manage a domain-based Active Directory environment, ensuring robust GPOs, DNS, DHCP, and secure access management.
• Act as the final point of escalation for complex infrastructure and server-level issues.
• Own end-to-end lifecycle of infrastructure projects—from scoping and risk assessment to implementation and documentation.
• Translate technical milestones and risks into clear documentation for business leadership and non-technical stakeholders.
• Follow ISO27001 framework.

Skills

Windows Systems Administration

PowerShell scripting

Project management

ISO27001 awareness

Communication to leadership

Tools

VMware ESXi

vCenter

Windows Server

Azure concepts

Parallels RAS

Job description

Forvis Mazars Ireland is seeking an experienced System and Infrastructure Administrator & Project Lead to maintain and optimize our core on‑premises IT environment while guiding the shift to a hybrid cloud model. You will oversee 16+ VMware hosts, ~200 servers, and 1,000 users, delivering secure, scalable infrastructure.

You will own end‑to‑end infrastructure projects, manage AD, DNS, DHCP, and GPOs, follow ISO27001, and collaborate with global IT and MSPs.