System Administrator (Linux & Windows)
Summary
Administer Linux and Windows Server environments, managing Proxmox, Zabbix, Wazuh, AD, Entra ID, and Veeam backups to ensure infrastructure stability and availability.
We are looking for an experienced System Administrator to join our client on a 3–6 month project. In this role, you will be responsible for maintaining and administering Linux and Windows Server environments, ensuring the stability, security, and availability of critical IT infrastructure.
Responsibilities:
- Administration of Linux systems
- Administration of Windows Server environments (2012–2025)
- Management and maintenance of the Proxmox environment
- Administration of the Zabbix monitoring system
- Administration of the Wazuh platform
- Management of Active Directory services
- Administration of Certificate Authority (CA) services
- Management of the Microsoft Entra ID environment
- Administration of Veeam Backup solutions
- Ensuring the continuity and availability of assigned systems and services
Project details:
- Project duration: 3–6 months
- Location: On-site, Gdańsk Wrzeszcz, Poland
- Start date: ASAP
- Language: English (minimum B2)
Requirements
- Experience in Linux systems administration
- Experience in Windows Server administration (2012–2025)
- Knowledge of and hands-on experience with Proxmox
- Experience in Zabbix administration
- Experience in Wazuh administration
- Knowledge of Active Directory
- Knowledge of Certificate Authority (CA) services
- Knowledge of Microsoft Entra ID
- Experience working with Veeam Backup
Benefits
- B2B contract
- Engagement in technically challenging projects with a mature engineering culture
- Friendly and collaborative work environment
- Opportunities to work with modern technologies and enterprise-scale infrastructure
- Supportive team culture focused on knowledge sharing and professional growth