System Administrator

2 weeks ago


Singapore U3 Infotech Pte Ltd. Full time
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 Wintelbased servers
  • Perform system upgrade and enhancement on IT infrastructure components
  • Implement operating system and productspecific 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 customerorientated mindset
  • Possess a sense of initiative
  • Able to multitask
  • Familiar with data center operations

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