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DB2 Database Administrator

Islandwide, Singapore
Contract, Full TimeInformation Technology

Job Description

Responsibilities:

  • Reviewing and optimising SQL queries written by application developers to ensure optimal performance and adherence to database standards
  • Assisting in database design activities, including table structures, indexes, and relationships to support new application features or enhancements
  • Troubleshooting database-related issues reported by application teams, including SQL error codes, performance problems, and data integrity concerns
  • Supporting database changes through the development lifecycle (DEV, TEST, UAT, PROD), including coordinating database object migrations between environments
  • Monitoring application database performance and implementing necessary tuning measures like reorganising tablespaces, updating statistics, and adjusting buffer pools
  • Providing guidance to application developers on DB2best practices, coding standards, and efficient query writing techniques
  • Supporting application testing activities by helping with data refresh requests, test data preparation, and database-related test case validation

Requirements:

  • Strong background in IT, Computer Science /Computer Engineering, or related discipline
  • Minimum 8 years of relevant working experience in DB2 database administration is preferred.
  • Relevant experience in the following would be advantageous:
  • Working with JCL (Jon Control Language)
  • Understanding of VSAM and other mainframe storage concepts
  • Familiar with database utilities and tools
  • Experience with database backup and recovery procedures

About Quantum Infotech Solutions Pte. Ltd.

First seen: June 15, 2026
Last updated: June 16, 2026