IT-Systemadministrator (m/w/d) – Infrastruktur & Security, ProLicht GmbH
Core
Maintain and secure the IT infrastructure, including servers, networks, security systems, and client devices for a European advertising technology company.
Role type
Senior IT System Administrator (Infrastructure & Security)
Builds
Stable, modern, and secure IT operations supporting global clients in automotive, energy, and retail sectors.
Domain
IT Infrastructure & Cybersecurity
Required skills
Windows and Linux server administration, Active Directory management, network configuration (switches, routers, WLAN), Microsoft 365 administration, firewall configuration, backup and disaster recovery planning, database support (SQL/MSSQL), monitoring tools (Zabbix, Wazuh), virtualization (VMware, Hyper-V)
Preferred skills
Experience with Fujitsu servers and Eternus storage, WatchGuard firewalls, Veeam Backup & Replication, 2nd-level support
Technologies
Windows, Linux, Fujitsu, Eternus, Active Directory, Microsoft 365, Exchange Online, Teams, Zabbix, Wazuh, SQL, MSSQL, WatchGuard, Veeam, VMware, Hyper-V
Responsibilities
Install, configure, and maintain servers and storage systems; manage user accounts, groups, and access rights; configure and monitor network devices and VPNs; administer Microsoft 365 environment; implement security policies and manage firewalls; oversee backup and recovery strategies; provide 2nd-level support to employees.
Seniority
Mid-level to Senior, hands-on IC