Mainframe Developer

Job Description

About the Role

We are seeking an experienced Mainframe Developer to support a significant Defence program operating within a complex, secure technology environment.

This role will suit a hands-on developer with strong mainframe application development experience, solid analytical capability, and experience supporting business-critical systems in structured, highly controlled environments.

As a Mainframe Developer, you will contribute to the development, enhancement and sustainment of key Defence applications, working across legacy technologies, batch processing environments and integrated systems.Key Responsibilities

• Develop, maintain and enhance mainframe applications supporting Defence capability.
• Perform application and software development activities across the full development lifecycle.
• Support reliable batch processing and scheduled workloads within secure environments.
• Analyse technical and functional requirements and contribute to solution design.
• Troubleshoot application issues, identify root causes and implement effective fixes.
• Support code changes, defect resolution, testing and deployment activities.
• Work closely with technical leads, architects, testers and other delivery teams.
• Contribute to system integration activities across legacy and downstream platforms.
• Produce and maintain technical documentation, including design, testing and as-built documentation.
• Work within established Defence change, release, configuration and security processes.
• Support transition and knowledge transfer activities into ongoing sustainment teams.

Skills and Experience

To be successful in this role, you will bring:

• Strong experience in mainframe application development.
• Hands-on experience with COBOL.
• Experience working with DB2, SQL, C# or C++ highly regarded.
• Strong understanding of batch processing environments.
• Experience maintaining and enhancing complex legacy applications.
• Strong debugging, troubleshooting and root-cause analysis capability.
• Experience supporting integration between mainframe and other enterprise systems.
• Experience working through structured testing processes, including system and integration testing.
• Ability to work effectively in secure, highly governed project environments.
• Strong technical documentation and communication skills.

Are you interested in this position?
Apply by clicking on the “Apply Now” button below!
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