Full-time

Senior Linux Administrator – banking sector

Posted by Groupe SII • Warsaw, Masovian Voivodeship, Poland

📍 Warsaw, Masovian Voivodeship 🕒 February 22, 2026

About the Role

We are seeking an experienced Linux Administrator to oversee a Linux platform consisting of approximately 40,000 servers in a banking production environment. Responsibilities include incident management, day-to-day planning, and implementing changes. Automation of routine tasks is crucial due to the large number of assets.

Additionally, addressing vulnerabilities, proactive improvements, and participation in transformation projects are integral to this role.

Your role
  • Installing and configuring Red Hat software products and servers
  • Designing and implementing solutions using Git and Veritas Cluster & Volume Manager
  • Managing SAN and NAS
  • Maintaining server software configuration and system components lifecycle management
  • Leveraging automation platforms like Red Hat Ansible Automation Platform (or similar skills like Puppet) for script development and maintenance
  • Monitoring infrastructure using various tools
  • Re...
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