Mainframe Developer

Position Description:

Mainframe Developer
Experienced Mainframe Developer specializing in the design development modernization and support of enterprise applications running on IBM z/OS. Skilled in both batch and online environments with strong delivery experience across the full SDLC: requirements analysis technical design coding unit/integration testing deployment support and production stabilization.

Core technical skills
- Languages / Runtime: COBOL (Enterprise COBOL)
- Batch: JCL utilities scheduling concepts (Control-M/CA-7/TWS depending on environment)
- Online: CICS (transactions maps/BMS) and/or IMS/DC
- Data: DB2 (SQL stored procedures exposure) VSAM (KSDS/ESDS/RRDS) flat files
- Quality & Delivery: unit testing regression support defect triage performance tuning basics documentation change control

Typical responsibilities
- Develop and enhance COBOL programs (batch/online) and associated JCL to meet functional and non-functional requirements.
- Design and implement DB2/VSAM data access patterns ensure data integrity and efficient processing.
- Investigate and resolve incidents (abend analysis DB2 SQLCODE review CICS dumps/trace) with root-cause documentation.
- Support releases and production deployments; ensure compliance with change management and operational standards.
- Collaborate with analysts QA and operations to validate mapping rules interfaces and acceptance criteria.
- Contribute to modernization efforts (API enablement refactoring file-to-DB migrations performance improvements) when applicable.

Professional strengths
- Strong troubleshooting mindset; comfortable operating under tight SLAs.
- Detail-oriented with disciplined approach to testing and change control.
- Clear communicator able to translate business intent into reliable technical solutions.
- Team-oriented and proactive in surfacing risks and dependencies.

Bilingualism (French and English) is required for this position due to the nature of the role requiring interaction with national and global clients.

Skills:

• French
• CICS
• COBOL
• DB2
• JCL
• VSAM

What you can expect from us:

Together as owners lets turn meaningful insights into action.

Life at CGI is rooted in ownership teamwork respect and belonging. Here youll reach your full potential because

You are invited to be an owner from day 1 as we work together to bring our Dream to life. Thats why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our companys strategy and direction.

Your work creates value. Youll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas embrace new opportunities and benefit from expansive industry and technology expertise.

Youll shape your career by joining a company built to grow and last. Youll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.

At CGI we value the strength that diversity brings and are committed to fostering a workplace where everyone belongs. We collaborate with our clients to build more inclusive communities and empower all CGI partners to thrive. As an equal-opportunity employer being able to perform your best during the recruitment process is important to us. If you require an accommodation please inform your recruiter.

To learn more about accessibility at CGI contact us via email. Please note that this email is strictly for accessibility requests and cannot be used for application status inquiries.

Come join our teamone of the largest IT and business consulting services firms in the world.