Amministratore di Sistema Senior

About the role

We are looking for a proactive Senior System Administrator to manage and evolve our Microsoft‑based server infrastructure. The role covers Windows Server administration, identity management, virtualization, backup solutions and overall infrastructure operations.

Key responsibilities

• Administer, maintain and optimise Windows Server environments and core services.
• Manage Active Directory, including domain controllers, OUs, GPOs, DNS and DHCP.
• Administer VMware vSphere/ESXi clusters, virtual machines and resource allocation.
• Monitor and troubleshoot virtualisation platforms for performance and scalability.
• Participate in storage infrastructure and disaster‑recovery management.
• Handle server deployment, patching, upgrades, migrations and decommissioning.
• Perform backup and recovery operations, supporting business continuity.
• Implement security best practices across servers and virtualisation platforms.
• Provide Level 2/3 support for infrastructure incidents.
• Maintain technical documentation, procedures and diagrams.

Required profile

• Bachelor’s degree in Computer Science, IT or equivalent experience.
• Minimum 5 years of experience in system or infrastructure administration.
• Strong analytical, troubleshooting and communication skills.
• Ability to work independently and manage infrastructure projects.

Required skills

• Microsoft Windows Server administration
• Active Directory, Group Policy, DNS, DHCP
• VMware vSphere/ESXi administration
• Veeam Backup & Replication (or similar)
• PowerShell scripting and automation
• Microsoft 365 / Entra ID (Azure AD)
• Basic networking concepts (TCP/IP, VLANs, routing, firewalls)
• Storage technologies and disaster‑recovery concepts