* 12 + 12 + 12-month contract with a premier Commonwealth agency
* Negative Vetting 1 Security Clearance Required
* Canberra-based role supporting critical national systems
* Opportunity to contribute to the sustainment and enhancement of a large-scale Mainframe Application Developer.
Resolve Recruit is partnering with a Commonwealth Government department seeking an experienced Mainframe Application Developer to support the development and sustainment of critical enterprise systems.
Working as part of a multidisciplinary ICT team, you will collaborate with developers, business analysts, project managers and ICT support staff to deliver reliable and secure software solutions supporting high-volume government service delivery.
The environment incorporates a combination of IBM mainframe technologies and modern application platforms, requiring strong development capability alongside sound troubleshooting and systems support skills.
Key Responsibilities
* Develop, maintain and enhance enterprise applications within a large-scale IBM mainframe environment
* Write efficient, well-structured and testable code using COBOL and related mainframe technologies
* Produce technical specifications and assess operational feasibility for development tasks
* Integrate software components into fully functional systems
* Perform unit and component testing and support broader testing activities
* Document system functionality and maintain accurate technical documentation
* Prepare time and effort estimates for development activities
* Support code deployment and implementation activities
* Troubleshoot and resolve technical issues in production and non-production environments
* Participate in incident response and remediation activities
* Collaborate with project managers, business analysts and developers to deliver high-quality solutions
* Adhere to government change management, release and cyber security standards
* Provide technical advice and share knowledge with team members
* Liaise with third-party suppliers and service providers where required
* Participate in forward planning activities to ensure systems continue to meet future demand
* Provide after-hours support as part of a rotating roster when required
Key Experience and Skills
* Demonstrated experience developing and supporting IBM mainframe applications
* Strong knowledge of technologies including:
o COBOL
o CICS
o JCL
o VSAM
o DB2
* Experience working with mainframe operating systems such as z/OS or z/VSE
* Strong analytical and problem-solving skills
* Experience debugging and resolving complex technical issues
* Excellent written and verbal communication skills
* Ability to work collaboratively with technical and business stakeholders
* Experience maintaining technical documentation and development artefacts
* A Bachelor's degree in Computer Science, Software Engineering or a related discipline, or equivalent experience in mainframe application development, is highly desirable.
Security Requirements
Applicants must hold an active Negative Vetting 1 Security Clearance (or higher) to be considered.
How to Apply
If you're ready to bring your mainframe application development expertise to a significant Commonwealth government environment, we would love to hear from you.
Apply by Monday, 16 March 2026 Applications received after the deadline may still be considered for future opportunities.
For further information or to discuss this opportunity, please contact us on email, quoting job ID: 36185.
Why Choose Resolve?
* Expert recruitment consultants committed to advancing your career.
* A transparent and fair fee structure, offering you peace of mind and trust at every step.
* Flexible contracting models to suit your specific needs.
* Complimentary payroll management and tax compliance services, supported by our expertise as a Chartered Accounting firm and Registered Tax Agents.
* Exclusive access to membership privileges at collaborative co-working spaces, fostering networking and innovation.
* A variety of pay cycle options designed for financial convenience and flexibility.
* Access to corporate benefits programs, enhancing both your professional and personal life.
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