System Administrator
1 hour ago
Key Responsibilities
Reporting to the Manager, the incumbent will be responsible for:
System Administration
- 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
Incident & Problem Management
- Provide 2nd level system support and resolve incidents and problems in accordance to established Service Level Agreement (SLA)
- Perform problem diagnosis on incidents and propose and implement measures to prevent recurrence
Change & Release Management
- Schedule and release system changes to production environment in accordance to the change management process / procedures
Configuration Management
- Maintain the configuration information of the IT infrastructure components used in the production environment assigned
Capacity & Performance Management
- Perform infrastructure capacity monitoring and reporting on a monthly basis
- Monitor and perform performance tuning to optimize system performance when needed
Process Management
- Implement the underlying processes supporting IT service management, in conformance to corporate security policies and guidelines when needed
Project Management & Support
- Provide infrastructure (system) support to projects in accordance to the project timeline
- Manages infrastructure enhancement / upgrade projects in accordance to established project management guidelines
Documentation
- Develop and maintain technical and process documents to upkeep IT infrastructure when needed Requirements
Academic Criteria & Professional Certification
- Diploma or Bachelor’s Degree in Information Technology related discipline
- Oracle Certified Systems Administrator certification (Optional)
- RHEL Certified Systems Administrator certification (Optional)
Experience and Technical Skills Set
- Minimum 2 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 (Python and YAML scripting optional)
- Experience in middleware (eg. IBM MQ, IBM Connect Direct, JBoss Web Server) (Optional)
- Experience in management and automation software (Satellite, Ansible) (Optional)
Attributes
- Good written and verbal communication skills
- Good interpersonal skills and able to work independently as well as in a team
- Demonstrate good analytical and problem solving abilities
- Possess customer-orientated mindset
- Possess a sense of initiative
- Able to multi-task
- Familiar with data center operations
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