Senior Engineer - Mainframe (COBOL)
Profusion Group ·www.profusiongroup.com
Apply directWe’re looking for a Senior Mainframe Developer with deep COBOL expertise to help design, enhance, and modernise our high-volume, business-critical applications.
This is a unique opportunity to combine traditional mainframe engineering excellence with modern, AI-first development practices.
What you’ll be doing
- Design, develop, and support COBOL and CAP COBOL applications on z/OS, supporting large-scale, high-volume transaction processing
- Maintain and enhance IMS online and batch systems, ensuring high availability, performance, and resilience
- Build and support data processing solutions using DB2, IMS DB, and sequential file structures
- Act as a subject matter expert in mainframe development, helping define coding standards, best practices, and modernisation approaches
- Ensure compliance with internal standards and regulatory obligations across all development activities
- Drive innovation by applying an AI-first approach to automate coding, testing, data mapping, orchestration, and documentation
- Strong hands-on experience in COBOL development within large enterprise or banking environments
- Exposure to or experience with CAP COBOL in production systems
- Proven experience working with IMS DB, including data access, schema design, and integration
- Solid understanding of z/OS mainframe environments
- Experience with Endevor for source code management
- Familiarity with modern tooling such as Git and Bitbucket
Frequently asked questions
Who is hiring for the Senior Engineer - Mainframe (COBOL) role?
Profusion Group is hiring for the Senior Engineer - Mainframe (COBOL) position, a Shazamme client. Apply directly on the employer's career site.
Where is the Senior Engineer - Mainframe (COBOL) job located?
The Senior Engineer - Mainframe (COBOL) role with Profusion Group is based in Sydney, NSW, AU.
Is the Senior Engineer - Mainframe (COBOL) role full-time or contract?
This is a full time position at Profusion Group.
What experience level is the Senior Engineer - Mainframe (COBOL) role?
The Senior Engineer - Mainframe (COBOL) position is aimed at senior-level candidates.
How do I apply for the Senior Engineer - Mainframe (COBOL) role at Profusion Group?
Apply directly on Profusion Group's career page via the Apply button on this listing. ZammeJobs links straight through to the employer's ATS — no third-party form, no resume database.