Role Overview Our public sector client is seeking an experienced Mainframe Application Developer / Analyst to support the development, enhancement, maintenance, and analysis of enterprise mainframe applications.

The ideal candidate will have strong hands-on experience with NATURAL and ADABAS .

Experience with COBOL and DB2 is considered an asset.

Work Mode : % remote Duration: Until March 31, with a possibility of extension Candidates must be located in Canada.

Key Responsibilities Design, develop, enhance, test, and maintain mainframe applications using NATURAL and ADABAS .

Analyze existing applications, business requirements, and technical specifications to determine appropriate solutions.

Develop and modify programs to support new functionality, system enhancements, and evolving business requirements.

Troubleshoot application issues, perform root-cause analysis, and implement effective solutions.

Support unit, integration, regression, and production testing activities.

Provide ongoing maintenance and production support for business-critical applications.

Review existing code and identify opportunities to improve application performance, reliability, and maintainability.





Prepare and maintain technical documentation, program specifications, and system documentation.

Collaborate with business analysts, technical teams, and stakeholders to understand requirements and deliver solutions.

Follow established development, change management, security, and quality standards.

Must-Have Qualifications Strong hands-on experience as a Mainframe Application Developer/Analyst .

Extensive development experience with NATURAL .

Robust experience with ADABAS .

Experience developing, enhancing, maintaining, and supporting enterprise mainframe applications.

Strong application analysis, troubleshooting, debugging, and problem-solving skills.

Experience working throughout the software development lifecycle.

Ability to work independently with minimal supervision in a remote environment.

Nice-to-Have Skills COBOL development experience. DB2 experience.

Experience supporting large-scale, mission-critical mainframe environments.

Previous experience within healthcare, government, or public-sector environments .

Experience with legacy application modernization or enhancement initiatives.

📌 Senior Mainframe Application Developer / Analyst to support the development, enhancement, maintenance, and analysis of enterprise mainframe applications. (Montreal)
🏢 S.i. Systems
📍 Montreal