Unix Administrator (Contract) Rotational shift

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