Senior System Administrator in Katowice

We have an exciting opportunity with one of our clients, an IT services provider delivering enterprise infrastructure and IT operations solutions, we are looking for a talented

Senior Storage Consultant / Commvault Specialist

to join the Infrastructure Services Operations team. Responsibilities:

Operate, monitor, and maintain Commvault Complete Data Protection, including backup and recovery, replication, retention policies, upgrades, and patches. Maintain enterprise storage environments, including Dell EMC, NetApp, and HPE Alletra / Nimble, ensuring availability, performance, and capacity management. Troubleshoot complex infrastructure incidents, perform root cause analysis, act as a senior escalation point, and support disaster recovery and cyber resilience activities. Maintain technical documentation, runbooks, and operational procedures, ensure compliance with SLAs and security requirements, and support continuous improvement initiatives. Requirements:

Minimum 5 years of hands-on experience in enterprise storage, backup, and recovery, including strong practical knowledge of Commvault Complete Data Protection. Mandatory Commvault Certified Professional (CCP) certification. Experience with enterprise storage platforms such as Dell EMC, NetApp, or HPE, and virtualization technologies such as VMware vSphere, KVM, or Nutanix. Strong knowledge of Windows Server and Linux, understanding of cloud backup solutions (Azure, AWS, or GCP), familiarity with ITIL processes, and English proficiency at B2 level or higher Nice to Have: Commvault Certified Expert (CCE) certification. Experience with immutable backups, cyber recovery, disaster recovery testing, and enterprise data protection. Knowledge of French and/or Dutch, as well as scripting skills in PowerShell, Python, or Bash.