Network Administrator (f/m/x)

Sii is hiring a Network Administrator to join their IT infrastructure team supporting a client in maintaining network stability, performance, and security.

• Minimum 3 years of experience as a Network Administrator
• Hands-on experience with LAN/WAN infrastructure, routing, switching, and wireless networks
• Previous work with network access control (Cisco ISE)
• Experience in network monitoring, troubleshooting (L2/L3), and handling incidents
• Knowledge of IPAM, VLAN segmentation, QoS, high availability, and redundancy concepts
• Communicative level of English
• Fluent Polish required
• Residing in Poland required
• Willingness to work on-site at the client’s location in Biskupice Podgórne five days a week

• Design, configure, install, and maintain LAN/WAN network infrastructure
• Troubleshoot network issues on-site, including wireless (WLC/AP), L2 incidents, and initial L3 diagnostics
• Manage network access control solutions and enforce access policies
• Monitor network performance, traffic, and security alerts using NMS tools and address performance issues
• Maintain network documentation, including IPAM, VLANs, segmentation, topology diagrams, and asset inventory
• Ensure network availability, incident handling, backup configurations, and support BCP/DR activities

Wyrażam zgodę na przetwarzanie moich danych osobowych zamieszczonych w niniejszym CV przez Sii sp. z o.o. z siedzibą przy Al. Niepodległości 69, 02-626 Warszawa („Sii”) dla celów procesów rekrutacyjnych prowadzonych przez Sii.

Residing in Poland required.

Willingness to work on-site at the client’s location in Biskupice Podgórne five days a week.