Senior Mainframe Developer

Accenture • Barangaroo, New South Wales, Australia • Posted June 04, 2026

Location Barangaroo, New South Wales
Job Type Full time
Category Computer Occupations
Posted June 04, 2026

About the Role

We are seeking experienced Mainframe Software Developers to join a collaborative team focused on innovation, quality, and continuous improvement. This role is suited for professionals passionate about mainframe technologies and eager to contribute to high-impact systems across government and enterprise environments.

Key Responsibilities

  • Design, develop, test, and maintain COBOL-based applications in a z/OS mainframe environment

  • Write and optimise complex SQL queries for DB2 for z/OS

  • Integrate COBOL applications with DB2 databases and IBM MQ messaging systems

  • Manage user access and system security using RACF

  • Participate in code reviews, debugging, and performance tuning

  • Collaborate with testers, analysts, and DevOps engineers

  • Contribute to system documentation and knowledge sharing

  • Support continuous improvement and modern...

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