System administrator
In-depth Operating System Knowledge:
· Solaris: ZFS file systems, SMF administration, Solaris Zones, G/LDOMs, Veritas Volume Manager, system configuration, and boot environments.
· AIX: JFS2 file systems, LVM (Logical Volume Manager), HACMP (High Availability Cluster Multi-Processing), NIM (Network Installation Management), system configuration.
· Red Hat Linux: XFS/Ext4 file systems, LVM, device mapper multipathing (DM Multipath), system configuration, GRUB bootloader.
· Storage Replication Technologies: Understanding various data replication methods is crucial:
· Synchronous Replication: Provides real-time data mirroring, ensuring zero data loss (RPO=0).
· Asynchronous Replication: Replicates data with a slight delay, offering flexibility but with a small window of potential data loss.
· Snapshot-Based Replication: Efficiently creates point-in-time copies for granular recovery.
Role Description
· Maintaining servers using the RedHat Linux and or Solaris/AIX operating system
· Participate in an on-call rotation for UNIX/Linux support issues
· Advanced knowledge of Client-UX hardware, OS, and virtualization concepts Redat Enterprise Linux is required for this position
· Configuring and maintain successful backups for UNIX and Linux systems
· Participating in defining UNIX and Linux hardware and software requirements, installation and configuration
· Participating in the documentation of activities, system changes, procedures, policies and standards for the UNIX and Linux architecture
· Work directly with engineering teams to help them incorporate Docker into their software deployment workflows
· Maintain/monitor performance of host based IPS\IDS infrastructure servers and remote agents
· Perform the Patching activities on Unix servers and fix the vulnerabilities.
· Regular DR Drills: Simulating disaster scenarios to test procedures and identify gaps.
· Test Recovery Environments: Maintaining isolated environments for testing without disrupting production.
· Thorough Reporting: Documenting test results, lessons learned, and areas for improvement.
