Technical Support and Administration

2 weeks ago


Jurong, Singapore GECO Asia Full time

Job Roles and Responsibilities:

  • Learn and understand critical proprietary business systems built /running in the Mainframe.
  • Maintain all system & subsystem environments in compliance with the security guidelines.
  • Assist with testing, implementation, and installation of each subsystem and associated software.
  • Diagnose and resolve environment system abends and abnormal operating problems using system logs, and other available logs and documents.
  • Develop/Maintain/Improve inhouse programs and utilities.
  • Have an understanding and experience of IBM SMP/E environment and ability to use SMP/E to install software.
  • Maintain system documentation.
  • Provide 24x7 oncall support on a rotation basis which at times require work outside of normal business hours to support critical tasks.
  • Participate in Disaster Recovery Operations
  • Raise and follow up on any problem cases with software vendors until issues are resolved.
  • Ability to work on project teams, delivering on key project milestones, and communicating effectively with a wide variety of people.
  • Manage mainframe communications in areas such as VTAM, TCPIP and TN3270 etc, including customization to HDB standards through activities such as maintenance, problem resolution, security compliance or z/OS upgrade.

Technical Support and Administration of MQ Series

  • Administer MQ Series in a clustering environment.
  • Perform all functions related to MQSeries clustering including administration, configuration, installation, maintenance, upgrades, and problemsolving.
  • Conduct impact analysis, strategize, plan, and execute upgrade to new versions of MQ

Technical Support and Administration of DB2

  • Administer DB2 Subsystems in a DB2 data sharing environment.
  • Review and configure DB2 configuration (zparm) to ensure settings are appropriate and will provide optimum operating behaviour for DB2 onsite.
  • Provide performancetuning to DB2 on z/OS to ensure mission critical software are running efficiently.
  • Conduct impact analysis, strategize, plan, and execute upgrade to new versions of DB2 database.

Technical Support and Administration of CICS

  • Administer CICS in a CICSPlex environment.
  • Tune CICS configuration to ensure CICS does not encounter storage shortages and/or any other system performance issues.
  • Provide proactive and automate monitoring of DB2 and CICS using tools to meet high availability standards in a 24x7 operating environment.
  • Conduct impact analysis, strategize, plan, and execute upgrade to new versions of CICS


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