IBM Mainframe Administrator

IBM Mainframe Administrator

Position Description

We are Canada's largest independent information technology services firm, and after 45 years, we're still growing! Join Canada's largest IT Company as a "IBM Mainframe Administrator" in our Banking Services Division.

We are seeking an experienced IBM Mainframe Administrator with 8–10 years of hands-on expertise in mainframe technologies and enterprise systems. The ideal candidate will have strong technical skills, problem-solving capabilities, and the ability to work in a dynamic environment.

Location - Downtown (Hybrid - 3 to 4 days office and remaining remote)

Your future duties and responsibilities

• Provide support for IBM z15 hardware and operating environments.
• Monitor, maintain, and troubleshoot mainframe subsystems and related components.
• Ensure system uptime, reliability, and performance in 24 / 7 enterprise environments.
• Install, configure, and maintain CICS Transaction Server regions.
• Support and optimize CICS applications, transactions, and system definitions (RDO).
• Manage CICS performance tuning, debugging, and transaction analysis.
• Ensure compliance with security, audit, and operational standards.
• Configure, administer, and optimize IBM MQ queue managers, channels, and queues.
• Manage MQ security, SSL configurations, clustering, and message routing.
• Troubleshoot message flow issues and ensure reliable integration between applications.
• Support IMS DB and IMS TM environments, including database maintenance and transaction management.
• Perform IMS system updates, tuning, and performance optimization.
• Assist application teams with IMS database access, utilities, and transaction debugging.

Required qualifications to be successful in this role

#LI-BN

Together, as owners, let’s turn meaningful insights into action.

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you’ll 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. That’s why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company’s strategy and direction.

Your work creates value. You’ll 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.

You’ll shape your career by joining a company built to grow and last. You’ll 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 team—one of the largest IT and business consulting services firms in the world.