Senior Engineer - Mainframe

Westpac Group

Full time Computer Occupations
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Location
Australia, New South Wales, Australia
Posted
July 17, 2026

Job Description

Job Description

Create your best future and join Westpac as a Senior Engineer - Mainframe.

What’s the role?

We are seeking an experienced Senior Mainframe Engineer to support and enhance critical enterprise applications running on IBM z/OS.

Your key responsibilities include:

  • Design, develop and support mainframe applications.
  • Perform impact analysis, coding, testing and implementation.
  • Develop and maintain COBOL, CICS, IMS and DB2 applications.
  • Support batch processing using JCL and scheduling tools.
  • Investigate and resolve production incidents and performance issues.
  • Collaborate with business and technology teams to deliver enhancements and regulatory changes.

What do I need?

  • 8+ years of experience in mai...