At Centorrino Technologies (CT), we’re more than just tech—we’re a community that goes beyond expectations. We’ve been recognised as a Great Place to Work in 2024-2025 and one of the Best Places to Work Medium & Large Size in Australia for 2025, with an outstanding eNPS score of 68. And we’re not stopping there.

We are seeking a Mainframe Application Developer to design, develop, and maintain enterprise mainframe applications, supporting system enhancements, integrations, and production delivery within a collaborative technical team.

This is a 12-month full-time contract role based on-site in Darwin, NT.

• Develop, maintain, and enhance mainframe application code and supporting systems
• Assist in testing, debugging, and deployment of system changes
• Support integration and interface development across systems
• Participate in system 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

• Experience in mainframe application development environments
• Knowledge of COBOL, CICS, JCL, DB2, SQL, and related mainframe technologies
• Understanding of 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 and develop technical capability
• Exposure to enterprise or government ICT environments is highly regarded

Why You'll Love Working Here:

Our company is more than just a workplace, it's a hub of inspiration and creativity where employees love to work! Here's why:

• Extensive training and development opportunities that enable continual growth as part of your career planning.
• Extensive discounts and benefits to maximise your money.
• A choice of your IT equipment to maximise your success and access to cost-price tech for your personal needs.
• Fun team events to celebrate achievements and connect with colleagues outside work as part of our engaging culture.

CT celebrates diversity and enables every voice to be heard as we drive to create the world we want. Apply today and be part of a team that values innovation, inclusivity, variety and diverse backgrounds.

Note: A valid Vulnerable People / Working with Children Check (WWCC) and Police Check are required.