Enterprise Mainframe Database Solutions Specialist

4 days ago

Canberra, ACT, Australia beBeeDatabaseAdministrator Full time $120,000 - $160,000

Job OverviewMainframe DB2 Database Administrator position available for experienced professionals. The selected candidate will be responsible for managing and optimizing DB2 for z/OS environments, ensuring high performance, reliability, and scalability across mission-critical systems.


Key Responsibilities:
  • 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 DBA in enterprise mainframe environments, with a degree in Computer Science or a related field.
  • IBM Certified Database Associate or equivalent DB2 for z/OS certification; additional certifications or publications are a plus.
  • Skilled in RACF security management and cross-platform integration (Unix/Windows).
  • Strong scripting abilities in REXX, JCL, and Python.
  • Ability to provide on-call and after-hours support when required.
  • This role requires the successful applicant to be an Australian Citizen and hold a Baseline level security clearance.

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