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Full time
Technology

Mainframe Developer

Talent InternationalQueensland🇦🇺AustraliaPosted 12 Aug 2026

Quick Overview

Work Type
Hybrid
Schedule
Full Time
Level
Mid Senior

Job Description

We are seeking experienced and motivated Mainframe Software Developer to join our Consulting customer. You will be part of a collaborative environment that values innovation, quality, and continuous improvement. This role is ideal for professionals who are passionate about mainframe technologies and eager to contribute to large-scale, mission-critical systems.

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 cross-functional teams including testers, analysts, and DevOps engineers.
  • Contribute to system documentation and knowledge sharing.
  • Support continuous improvement initiatives and modernisation efforts using Micro Focus tools.
Required Technical Skills

Candidates must have hands-on experience with the following technologies:

Core Mainframe Technologies (Mandatory)
  • SQL query writing and optimisation
  • Data modelling and database design
  • Use of DB2 utilities (e.g., LOAD, UNLOAD, REORG)
  • RACF
  • Access control and security enforcement
  • IBM MQ
  • Message queue design and integration
  • Queue/topic management
  • JCL (Job Control Language)
  • TSO/ISPF

Must be an Australian Citizen, bonus if you already have a security clearance.

Skills

SQL
COBOL

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