Java Developer – Mainframe & Legacy Systems Support

Are you an experienced Java developer with a passion for supporting and modernizing legacy applications in mission-critical environments? We are looking for a skilled professional to join our team, providing comprehensive technical support and innovation for mainframe/Solaris-hosted applications.

Key Responsibilities:

• Maintain and optimize legacy Java applications to ensure stability, usability, and minimal downtime.

• Conduct thorough testing and deliver responsive end-user support for legacy systems.

• Support and improve technical environments, including scheduling, transaction processing, middleware, and surrounding platforms.

• Provide in-depth analysis, troubleshooting, and resolution of problem tickets and technical incidents.

• Perform operational monitoring, alerting, and performance tuning across supported applications.

• Proactively identify and implement innovative solutions aligned with current technology trends.

• Build and maintain strong stakeholder relationships; advise on solutions at various organizational levels.

• Deliver reliable 24/7 application support, including participation in on-call rosters.

Mandatory Requirements:

• Australian citizenship is essential.

• Baseline security clearance recommended.

Desired Skills and Experience:

• 3–5 years' hands-on experience in Java development, particularly in legacy and mainframe/Solaris environments.

• Proficiency in XML and XSLT technologies.

• Solid understanding of software development and maintenance processes for mainframe environments.

• Strong automation experience, ideally using REXX scripting.

• Demonstrated ability to adapt to New Ways of Working (NWoW), including Agile methodologies and tools (JIRA, Confluence, Kanban, Sprint).

• Technical expertise in application control for mainframe architecture, middleware, and associated tooling.

• In-depth knowledge and experience with batch technology from a development perspective.

About You:
You are a problem solver who thrives under pressure, attentive to detail, proactive in identifying improvements, and comfortable working in agile teams. Your technical excellence and commitment to stakeholder collaboration make you an asset to any organization driving critical technology operations.

Ready to take your career further? Apply now to join our dynamic environment supporting essential legacy and enterprise technology.

To be considered for the role click the 'apply' button or for more information about this and other opportunities please contact Yash Jain on 03 8680 4238 or email yjain@paxus.com.au and quote the above job reference number.

Paxus values diversity and welcomes applications from Indigenous Australians, people from diverse cultural and linguistic backgrounds and people living with a disability. If you require an adjustment to the recruitment process, including the application form in an alternate format, please contact me on the above contact details.