Job Description :

Mainframe DB2 System DBA

100% Remote

Job Summary:

We are seeking a Mainframe DB2 System DBA responsible for the installation, configuration, maintenance, and performance of DB2 databases on mainframe systems. The role involves ensuring database availability, security, and optimal performance while supporting critical business applications.


Key Responsibilities:

  • Install, configure, and upgrade DB2 on mainframe environments (z/OS)
  • Manage and maintain DB2 subsystems and related tools
  • Monitor database performance and perform tuning (buffer pools, storage, queries)
  • Ensure database security, backup, and recovery processes
  • Perform database reorganization (REORG), RUNSTATS, and utilities management
  • Troubleshoot database issues and provide root cause analysis
  • Support application teams with database design and query optimization
  • Implement disaster recovery and high availability solutions
  • Maintain system documentation and standards

Required Skills & Qualifications:

  • Bachelor’s degree in Computer Science, IT, or related field
  • Strong experience with DB2 on z/OS
  • Knowledge of mainframe environments (JCL, TSO/ISPF)
  • Experience with DB2 utilities (REORG, LOAD, COPY, RUNSTATS)
  • Understanding of database performance tuning and SQL optimization
  • Familiarity with backup/recovery strategies
  • Basic scripting and automation skills

Preferred Qualifications:

  • Experience with tools like DB2 Administration Tool, SPUFI, or QMF
  • Knowledge of COBOL and CICS environments
  • Exposure to other databases (Oracle, SQL Server)
  • Experience in banking/financial systems (common for mainframes)

Key Competencies:

  • Analytical and problem-solving skills
  • Attention to detail
  • Ability to work in high-availability environments
  • Strong communication and teamwork

             

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