Unix Administrator

Key Responsibilities:

- 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 environment.
- Document middleware platfo...