- Perform system administration and maintenance in a heterogeneous environment (production, DR, test) comprising of Oracle servers and Wintel-based servers
- Perform system upgrade and enhancement on IT infrastructure components
- Implement operating system and product-specific security hardening & patches
- Monitor obsolescence of IT infrastructure components (systems)
- Monitor expiry and perform renewal of system password and certificates
- Ensure implementation of system backups to ensure data recoverability and business continuity
- Execute 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
- Manages the application User Acceptance Test (UAT) and upkeep the use of UAT environmentMinimum 3-4 years’ experience in system administration and support on Unix and/or RHEL
- Experience in performing OS hardening and patching for Unix and/or RHEL
- Experience in VMWare technologies
- Proficiency in scripting for Unix and/or RHEL environment to automate tasks (include Python and YAML scripting)
- Experience in administration and support of SAN (Optional)
- Experience with backup & management software (Optional)
- Experience in middleware (eg. IBM MQ, IBM Connect Direct, JBoss Web Server) (Optional)
- Experience in management and automation software (Satellite, Ansible) (Optional)
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