High-Performance Mainframe Database Specialist

3 days ago

Canberra, ACT, Australia beBeeDatabase Full time $110,000 - $140,000
Job Title

The Mainframe DB2 Database Administrator role involves managing and optimizing DB2 for z/OS environments, ensuring high performance, reliability, and scalability across mission-critical systems.

This position requires a skilled professional to administer and support DB2 for z/OS environments, focusing on application performance, reliability, and regular database health checks and maintenance.

The successful candidate will collaborate with development teams, automate operational tasks, implement robust backup and recovery strategies, maintain data integrity, enforce security protocols, and support application deployments.

  • Administer and support DB2 for z/OS environments, focusing on application performance, reliability, and regular database health checks and maintenance.
  • Create and manage database objects (e.g. tablespaces, tables, indexes, packages) and run DB2 utilities (LOAD, UNLOAD, REORG, RUNSTATS) for physical maintenance.
  • Collaborate with developers to optimize SQL queries and indexing strategies, perform performance tuning, and ensure data integrity best practices are upheld.
  • Automate tasks using JCL, REXX, COBOL, and Python; deploy application releases and troubleshoot related issues.
  • Monitor tablespace capacity, implement RACF-based security protocols, manage backup and disaster recovery procedures, and maintain technical documentation.
Requirements

Proven experience as a DB2 DBA in enterprise mainframe environments is essential, along with a Bachelor's degree in Computer Science or a related field.

IBM Certified Database Associate or equivalent DB2 for z/OS certification is highly desirable, as well as additional certifications or publications.

Skilled professionals in RACF security management and cross-platform integration (Unix/Windows) are ideal candidates.

Strong scripting abilities in REXX, JCL, and Python are also required.

On-call and after-hours support may be necessary.

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