CareerPlan

Senior Mainframe Developer

Sydney CBD, New South WalesFull-time2026-11-11 → 2026-11-13

Core

Designing, developing, and maintaining complex batch and online enterprise mainframe applications.

Role type

Senior Mainframe Developer

Builds

Batch and online applications, JCL, VSAM file structures, and batch processing solutions.

Domain

Enterprise IT, Banking/Insurance

Required skills

COBOL, PL/I, JCL, VSAM, z/OS, mainframe systems programming, performance tuning, troubleshooting

Preferred skills

Experience in banking or insurance, modern delivery practices

Technologies

COBOL, PL/I, JCL, VSAM, z/OS

Responsibilities

Designing and developing complex batch and online applications, Building and enhancing solutions using COBOL and/or PL/I, Developing and supporting JCL, VSAM file structures and batch processing, Working within z/OS environments including systems programming and performance tuning, Troubleshooting complex production and application issues, Supporting high-availability systems, Collaborating with engineering, delivery and other cross-functional teams

Seniority

Senior, hands-on IC