Mainframe Application Developer (12‑month contract)

About the role

Centorrino Technologies is looking for a Mainframe Application Developer to join a collaborative technical team in Darwin. This 12‑month full‑time contract focuses on designing, developing, and maintaining enterprise mainframe applications that support system enhancements, integrations, and production delivery.

Key responsibilities

• Develop, maintain, and enhance mainframe application code and supporting systems.
• Assist in testing, debugging, and deploying system changes.
• Support integration and interface development across systems.
• Participate in release activities across development, test, and production environments.
• Contribute to technical documentation and support materials.
• Assist with issue resolution and production support activities.
• Work collaboratively within project teams to deliver application enhancements.

Required profile

• Experience in mainframe application development environments.
• Knowledge of COBOL, CICS, JCL, DB2, and SQL.
• Understanding of the system development lifecycle and release processes.
• Ability to troubleshoot and resolve application issues.
• Experience working in team‑based delivery environments.
• Basic understanding of integration and system interfaces.
• Strong attention to detail and ability to follow technical specifications.
• Good communication skills and willingness to learn.
• Exposure to enterprise or government ICT environments is highly regarded.

Required skills

• COBOL
• CICS
• JCL
• DB2
• SQL

What we offer

• Extensive training and development opportunities.
• Discounts and benefits to maximise your earnings.
• Choice of IT equipment and access to cost‑price tech for personal use.
• Fun team events and a culture that celebrates diversity and inclusion.