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Senior Mainframe Engineer (Infrastructure)

Company

Singapore Telecommunications Ltd

Location

singapore, singapore

Posted

June 14, 2026

Position Overview

As a Mainframe System Engineer , you are responsible for Plan, Install, Manage, and administer Mainframe, Upgrades and Maintenance.

What you will do:

  • Plan, Install, Manage, and administer Mainframe, Upgrades and Maintenance
  • Manage and deliver support for z/OS, DB2, IBM TWS, IBM RACF, IBM RMM, IBM SDSF, SMP/E, IODF.
  • Responsible in installing, upgrading, and administering IBM, CA and BMC products.
  • Responsible in managing DFSMS suite – DSS, HSM, RMM, VTL and replication.
  • Managing enterprise Mainframe Storage Systems – Disk and Virtual Tape
  • Working on Mainframe recovery, disaster recovery, troubleshooting, maintaining, and configuring using Mainframe LPARs
  • Develop/Maintain/Improve in-house programs and utilities in COBOL, REXX.
  • Experience with MF Data Center and MF network (VTAM, TCPIP and TN3270)
  • Collaborate with other infrastructure teams, e.g., Storage, security teams, op...

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