IT Systems Administrator (Infrastructure)

Quick Facts

You will administer and improve server, storage, backup, virtualization, and network infrastructure as an IT Systems Administrator (Infrastructure).

Description

Operate and continuously develop Windows Server and Active Directory (including DNS/DHCP and Group Policy) and manage network services while ensuring system availability. Administer Microsoft 365 services (Exchange Online, Teams, SharePoint, OneDrive) and Entra ID/Azure AD, and support proactive monitoring, patching, and incident resolution with 2nd/3rd-level escalation.

Responsibilities

• Administration, monitoring, and further development of the server, storage, backup, and virtualization environment
• Operate and support the network infrastructure (LAN, WAN, VPN, MPLS, WLAN, firewall, routing, switching)
• Ensure system availability through monitoring, patch and update management, backup/restore processes, and proactive troubleshooting prevention
• Manage user accounts, permissions, Group Policy, central IT services, and Microsoft 365/cloud services
• Analyze and resolve incidents and service requests in the server, network, and infrastructure domain; support IT support during escalations
• Carry out and support IT projects (rollouts, migrations), maintain IT documentation, asset/license management, disaster planning, and coordinate external service providers

Requirements

• Sound hands-on experience with Windows Server and Active Directory
• Knowledge of DNS, DHCP, and Group Policy
• Good networking knowledge: LAN, WAN, VPN, MPLS, WLAN, firewall, routing, switching
• Experience with patch management and monitoring
• Experience with endpoint security, access controls, and backup/restore processes
• Administration experience for Microsoft 365 (Exchange Online, Teams, SharePoint, OneDrive) and Entra ID/Azure AD
• Ability to independently prioritize work, document carefully, and communicate clearly with users, specialist departments, and vendors
• Structured analysis and troubleshooting skills for server, network, and infrastructure incidents, including 2nd/3rd-level support on escalations

Benefits

• Cafeteria with freshly cooked meals
• Free use of the company fitness studio, including course offerings