The key duties of the position include:

We are seeking a Technology Specialist - Mainframe to join our Enterprise Solutions and Technology (EST) business area.

As an IT Technology Specialist – Mainframe, within the Mainframe Delivery Centre, you will provide senior technical leadership and expert advice in a role that has a strong focus on ensuring the stability, security and ongoing improvement of the ATO’s mainframe environments, which underpin key business and operational outcomes.

As a lead administrator for IBM Software Configuration and Library Manager (SCLM), you will safeguard the integrity of the ATO mainframe codebase and support source code management across development, test and production environments, including integration with automated build tools such as Azure DevOps.

You and your team will perform functions that are an integral part of the mainframe environment provisioning, code deployment and support, and ensuring the stability and currency of internal tooling that underpins the ATO development ecosystem.

As a senior leader, you will lead and mentor a team to resolve complex issues, support modernisation and automation initiatives, build capability and drive efficiencies across existing services while contributing to operational and business planning processes.

You will foster and drive a culture of continuous improvement, supporting staff to adopt and adapt to a constantly changing technology and risk environment. The role may include on-call or out-of-hours support for business-critical services.

We are committed to inclusive recruitment practices and encourage applications from people with disability or neurodivergence, Aboriginal and Torres Strait Islander peoples, and individuals from all backgrounds. Reasonable adjustments can be provided throughout the recruitment process.

Our ideal candidate:

• has advanced mainframe setting, application management and support experience,



including demonstrated capabilities using, or familiarity with, some of or all of the following: COBOL, Interactive System Productivity Facility (ISPF), Time Sharing Option (TSO), IBM Z Workload Scheduler, CICS, JCL, MQ, DB2, SAS, Assembler and RACF

• has extensive knowledge and experience in source control principles, package and promote processes, and mainframe code management in a large enterprise or government environments

• has experience leading IT specialists through transformational change, including adoption of new operational processes and procedures, and applies IT service management processes across change, incident and problem management

• identifies and resolves complex mainframe issues, including abends, environment-related incidents and security incidents, and recommends practical remedial solutions

• is a strong technical leader who mentors and manages specialist mainframe environment and deployment teams while maintaining high-quality service delivery

• communicates complex technical information clearly to diverse audiences, and builds strong stakeholder, vendor and delivery relationships to support organisational objectives and successful delivery outcomes.

Experience in IBM SCLM experience and ServiceNow will be highly regarded but not essential.

Getting to know the Australian Taxation Office

We are globally recognised for leading best practice in the administration of tax and superannuation, promoting a level playing field and fairness for all. Our work makes a real difference to the lives of Australians and positively impacts their economic and social wellbeing. Our people are problem-solvers, curious, dynamic and are at the heart of our success. We are inclusive and embrace the strength of diversity. Flexible working arrangements are available to help balance work and life. We offer more than you expect. We offer a place where you can belong, a say in how you make a difference, and the chance to grow a successful career.

📌 IT Technology Specialist - Mainframe (Melbourne)
🏢 Australian Taxation Office
📍 Melbourne