Unix Administrator (Contract) Rotational shift

Trabalho temporárioICON OUTSOURCINGSingaporemycareersfuturepublicada em 19/08/2026
Obrigatório:CloudSecurity

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