Unix Administrator (Rotational Shift)

• Perform system administration and maintenance in a heterogeneous environment (production, DR, test) comprising Sun Solaris servers and Linux‑based servers.
• Conduct system upgrades and enhancements on IT infrastructure components.
• Implement operating system and product‑specific security hardening and patches.
• Monitor obsolescence of IT infrastructure components (systems).
• Track expiry and perform renewal of system passwords and certificates.
• Implement a schedule of system backups and database archive operations to ensure data recoverability and business continuity.
• Develop and implement disaster recovery plans for IT infrastructure (systems) and conduct regular disaster recovery testing and component switchover exercises to ensure usability of standby and DR equipment.
• Manage the application User Acceptance Test (UAT) and maintain the use of the UAT envi...

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