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.
Requirements
Benefits
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:
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.

We are an Australian-owned, full-service ICT Solutions and Cyber Security provider with a locally based team of over 450 passionate Aussies. We are customer obsessed and have a history of delivering high quality services to Government Agencies, the Defence & Intelligence Sector, Financial and Professional Service organisations, Healthcare Providers and Schools throughout Australia.
We hold 7x ISOs including ISO 27001, we are SOCII compliant, iRAP assessed and CPS234 compliant with hundreds of security cleared personnel.
Our services include:
- Advisory, Consulting & Strategy
- Audio Visual
- Cloud & Secure Internet Gateways
- Cyber Security
- Data, Integrations, AI and Dynamics 365
- Managed Services
- People and Project Delivery