Connex Developer – Ultra-Secure Mainframe Payments

Showtime Consulting Pty Ltd; Australia; Hybrid; AUD 120,000 - 180,000; Full time

Benefits offered by this job

Remote-friendly roles

Professional development support

Cybersecurity certifications

Job summary

Showtime Consulting Pty Ltd is seeking a Connex Developer / Support Specialist to join a high‑performing payments technology team. You’ll focus on development, enhancement, and ongoing maintenance of the Connex Payment Switch on IBM Mainframe (z/OS), ensuring stability and regulatory compliance in critical environments.

The ideal candidate has a bachelor’s degree in CS/IT/Engineering and 2–20 years’ experience with Connex, COBOL, JCL, Db2, and related mainframe skills.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or a related discipline.

Responsibilities

• Provide build, enhancement, and production support for the Connex Payment Switch on IBM Mainframe (z/OS).
• Review, assess, and provide recommendations on vendor‑proposed Connex changes and customisations.
• Collaborate with designers, architects, and delivery teams to support business and technical initiatives.
• Monitor health, performance, and stability of the Connex Mainframe environment.
• Support migration and modernisation initiatives, including Connex integration with new payment switch platforms.

Skills

Connex knowledge

Mainframe

Requirements gathering

Problem solving

Stakeholder management

Education

Bachelor's degree in Computer Science/IT/Engineering

Tools

IBM z/OS

COBOL

Assembler

Db2

JCL

Finsim / Paysim

Job description

Showtime Consulting Pty Ltd is seeking a Connex Developer / Support Specialist to join a high‑performing payments technology team. You’ll focus on development, enhancement, and ongoing maintenance of the Connex Payment Switch on IBM Mainframe (z/OS), ensuring stability and regulatory compliance in critical environments.

The ideal candidate has a bachelor’s degree in CS/IT/Engineering and 2–20 years’ experience with Connex, COBOL, JCL, Db2, and related mainframe skills.