Job Description
Support and enhance critical Connex payment platforms on IBM Mainframe while driving modernisation initiatives.
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14th August, ****
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Company Description
n Showtime Consulting is a leading provider of Shielded Cloud and Digital Solutions across Australia and Current Zealand. We specialise in delivering secure, enterprise-scale technology solutions across cloud, data, AI, DevSecOps, platform engineering, and digital transformation programs.
n We partner with major organisations to build high-performing technology teams and deliver innovative technology platforms that improve productivity, operational efficiency, governance, security, and business outcomes.
n As part of our continued growth across the financial services sector, we are seeking experienced payments technology professionals to support critical payment processing platforms and modernisation initiatives within large enterprise environments.
n The Role
n We are seeking an experiencedConnex Developer / Support Specialistto join a high-performing payments technology team.
n This role is focused on the development, enhancement, support, and ongoing maintenance of the Connex Payment Switch running on IBM Mainframe (z/OS). You will play a key role in ensuring the stability, reliability, and performance of business-critical payment processing systems while supporting regulatory, compliance, and modernisation initiatives.
n The ideal candidate will bring strong Connex and Mainframe expertise, a solid understanding of payment processing environments, and the ability to collaborate effectively with architects, designers, vendors, and delivery teams.
n Key Responsibilities
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Provide build, enhancement, and production support for theConnex Payment Switchon IBM Mainframe (z/OS).
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Review, assess, and provide recommendations on vendor-proposed Connex changes and customisations.
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Collaborate closely with Solution Designers, Architects, and delivery teams to support business and technical initiatives.
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Enhance and maintain Host Scheme Payment Interfaces (PIs) during regulatory and compliance releases.
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Support migration and modernisation initiatives, including Connex integration with new payment switch platforms.
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Monitor the health, performance, and stability of the Connex Mainframe environment.
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Apply vendor-supplied Connex maintenance updates, including configuration and code changes.
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Implement additions, modifications, and deletions of Payment Interfaces (PIs), Transaction Handlers (THs), and associated batch processes.
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Investigate, troubleshoot,



and develop fixes for Connex-related production incidents and defects.
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Participate in system testing, release management, and deployment activities to ensure high-quality delivery.
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n
14th August, ****
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Company Description
n Showtime Consulting is a leading provider of Shielded Cloud and Digital Solutions across Australia and New Zealand. We specialise in delivering secure, enterprise-scale technology solutions across cloud, data, AI, DevSecOps, platform engineering, and digital transformation programs.
n We partner with major organisations to build high-performing technology teams and deliver innovative technology platforms that improve productivity, operational efficiency, governance, security, and business outcomes.
n As part of our continued growth across the financial services sector, we are seeking experienced payments technology professionals to support critical payment processing platforms and modernisation initiatives within large enterprise environments.
n The Role
n We are seeking an experiencedConnex Developer / Support Specialistto join a high-performing payments technology team.
n This role is focused on the development, enhancement, support, and ongoing maintenance of the Connex Payment Switch running on IBM Mainframe (z/OS). You will play a key role in ensuring the stability, reliability, and performance of business-critical payment processing systems while supporting regulatory, compliance, and modernisation initiatives.
n The ideal candidate will bring strong Connex and Mainframe expertise, a solid understanding of payment processing environments, and the ability to collaborate effectively with architects, designers, vendors, and delivery teams.
n Key Responsibilities
n
n
Provide build, enhancement, and production support for theConnex Payment Switchon IBM Mainframe (z/OS).
n
Review, assess, and provide recommendations on vendor-proposed Connex changes and customisations.
n
Collaborate closely with Solution Designers, Architects, and delivery teams to support business and technical initiatives.
n
Enhance and maintain Host Scheme Payment Interfaces (PIs) during regulatory and compliance releases.
n
Support migration and modernisation initiatives,



including Connex integration with new payment switch platforms.
n
Monitor the health, performance, and stability of the Connex Mainframe environment.
n
Apply vendor-supplied Connex maintenance updates, including configuration and code changes.
n
Implement additions, modifications, and deletions of Payment Interfaces (PIs), Transaction Handlers (THs), and associated batch processes.
n
Investigate, troubleshoot, and develop fixes for Connex-related production incidents and defects.
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Participate in system testing, release management, and deployment activities to ensure high-quality delivery.
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What You'll Need
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Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline.
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Strong understanding ofPayment Switchfunctionality and payment processing environments.
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2 to 20 years of experience in Connex support, development, or a similar payments technology role.
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Proven expertise in gathering, documenting, and analysing functional and technical requirements.
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Strong problem-solving, troubleshooting, and analytical skills.
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Ability to work in dynamic environments and adapt to evolving technologies and project requirements.
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Self-motivated, proactive, and capable of working independently as well as within a team.
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Detail-oriented, with a strong focus on testing, quality assurance, and production stability.
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Excellent collaboration and stakeholder management skills.
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Technical Skills
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Extensive experience withConnex configuration and support on IBM z/OS.
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Strong knowledge of:
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IBM z/OS
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COBOL
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Assembler
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Db2
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IBM JCL
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Finsim / Paysim
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Payment Switch and transaction processing systems
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Exposure to modern technologies and integration frameworks, including:
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Java
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Spring Boot
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REST APIs
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GitHub
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AWS
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Splunk
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Kafka
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Why Join Us?
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Work on business-critical payment platforms supporting large-scale transaction processing environments.
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Contribute to strategic payment modernisation and platform transformation initiatives.
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Collaborate with experienced architects, engineers, and payments specialists.
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Gain exposure to both traditional Mainframe technologies and modern integration platforms.
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Join a high-performing team delivering innovative financial services technology solutions.
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Be part of a growing consultancy delivering complex technology outcomes across Australia and New Zealand.
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#J-*****-Ljbffr

📌 Connex Developer (Victoria)
🏢 Showtime Consulting
📍 Victoria