Responsibilities:
Perform system administration and maintenance in a heterogeneous environment (production, DR, test) comprising of Sun Solaris servers and Linux-based servers
Perform system upgrade and enhancement on IT infrastructure components
Implement operating system and product-specific security hardening and patches
Monitor obsolescence of IT infrastructure components (systems)
Monitor 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 switch over exercises to ensure usability of standby and DR equipment
Manage the application User Acceptance Test (UAT) and upkeep the use of UAT environment
Provides technical support and guidance (level 3) to end-users, and other IT resources.
Provide second 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
Requirements:
Bachelor’s degree in information technology, Information Systems, Computer Science, or a related field
Minimum 6 - 8 years of experience in system administration and support in Middleware, Unix and Linux systems
Experience in working with SAN for Unix and Linux Platforms
Experience in performing OS hardening and patching
Experience with enterprise backup and system monitoring and management software
Proficient in scripting for Unix and Linux-based environments to automate tasks
Familiar with database administration and data centre operations will be an advantage
Provide 24/7 support on a rostered basis.
Provide weekend and after office hours support for change implementation (for critical production services)
Shift timings:
1st shift - 7am to 4pm (Mon-Fri)
2nd shift - 2pm to 11pm (Mon-Fri)
3rd shift - 10.30pm to 7.30am (Mon-Fri)
4th shift - 7.30am to 7.30pm (Sat-Sun)
5th shift - 7.30pm to 7.30am (Sat-Sun
Professional Certifications
Unix and Linux Certified System Administrator certifications
Industry certification for public cloud administration preferred
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