Unix Administrator (Contract) Rotational Shift

Role: • 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