Apply: Mainframe Developer

About Peoplebank Peoplebank, part of RGF Staffing ANZ, is a leading talent solutions provider. We place the brightest IT & digital professionals into some of the region’s top employers. We are expert recruiters who have been placing IT & digital specialists with some of the most dynamic and recognised organisations in the Asia Pacific region for over 34 years. 

About the Role Our Federal Government Client is seeking a Senior Mainframe Developer.

This is a long-term contract role with an initial term of up to 12 months, with extensions available located in ACT, NSW, VIC, QLD or SA under a hybrid working arrangement.
The successful candidate will be required to work onsite for the first 6 weeks, after which a hybrid arrangement may be considered subject to business requirements.

As the selected candidate, you will:

• Undertake analysis, design, development, prototyping, testing and maintenance activities.
• Develop and maintain complex mainframe applications and software solutions.
• Perform technical analysis and provide recommendations for solution design and implementation.
• Define software and technical designs for high-complexity custom, migration and integration solutions.
• Support development teams in delivering quality ICT solutions.
• Ensure compliance with software development standards, methodologies and best practices.
• Provide go-live support, maintenance and troubleshooting for production systems.
• Develop technical documentation, reports and design artefacts.
• Collaborate with business stakeholders and technical teams to deliver project outcomes.
• Contribute to continuous improvement and innovative technology solutions.
• Monitor workloads and delivery outcomes to achieve business objectives.
• Provide technical guidance and support to senior stakeholders and team members.

To be successful in this role you should have:

• Demonstrated experience applying software development methods, tools and standards (SFIA Level 4).
• Strong programming and software development capability, including designing, coding, testing, documenting and maintaining complex applications (SFIA Level 4).
• Experience supporting release and deployment activities, including software delivery, configuration and deployment processes (SFIA Level 4).
• Experience designing, implementing and maintaining software configurations for enterprise environments (SFIA Level 4).
• Ability to undertake complete software design for moderately complex applications and components (SFIA Level 3).
• Experience designing system components using appropriate architectures, modelling techniques and design patterns (SFIA Level 4).
• Proven experience with systems integration, build activities and integration testing (SFIA Level 4).
• Experience designing and executing test cases, scripts and test plans, including automated testing approaches (SFIA Level 3).
• Strong stakeholder engagement, communication and documentation skills.
• Experience working within large-scale Government or enterprise ICT environments.
• Ability to obtain and maintain a Baseline Security Clearance.

It is desirable if you have:

• Experience in application support and maintenance activities (SFIA Level 3).
• Experience identifying and resolving application issues in production environments.
• Familiarity with application management tools and performance monitoring.
• Previous experience supporting mainframe systems within large government environments.

Due to security clearance requirements for this role, candidates must be Australian citizens with the ability to obtain and maintain a Baseline Security Clearance.

Benefits of being a Peoplebank candidate:

• Personalised Attention: You'll be assigned a dedicated Account Manager to support your unique needs.
• User-Friendly Services and Ongoing Support: Easy online timesheet lodgement, plus full access to contractor care, payroll, and admin support throughout your contract.
• Choice and Flexibility: A wide variety of contracting options tailored to your preferences and circumstances.
• Industry-Leading Payroll Services: Enjoy the reliability of accurate, on-time weekly payments.
• Contractor Satisfaction Focus: Our goal is to be your top choice for IT contracting and permanent roles, with your success at the centre of everything we do.

Apply now for immediate consideration – contact  Louise Francisco on 0262451715 quoting Job Reference: # 272540.
 
Applications close: 5:00 PM, Tuesday, 27 October 2026
 
Please note: Only candidates that meet the above criteria will be contacted. Thank you for your interest in the position.