Senior Mainframe Systems Programmer (IBM z/OS, CICS, MQ)

We are seeking an experienced Senior Mainframe Systems Programmer to support and maintain IBM z/OS environments, with a strong focus on CICS Transaction Server and IBM MQ. This role is responsible for system administration, software installation and upgrades, troubleshooting, performance tuning, security compliance, disaster recovery support, and technical documentation in a secure, highly regulated enterprise environment.

The ideal candidate has deep hands-on experience with IBM mainframe technologies, middleware administration, change and incident management, and supporting mission-critical systems with high availability and operational stability.

Key Responsibilities

• Administer, install, configure, upgrade, and maintain IBM z/OS mainframe environments, including CICS Transaction Server, IBM MQ, and related software products
• Perform software installations, migrations, upgrades, patching, and implementation activities across multiple mainframe environments
• Troubleshoot and resolve system abends, outages, and performance issues using logs, traces, dumps, and monitoring tools
• Manage IBM MQ environments, including queue managers, queues, channels, backup processing, and web services administration
• Monitor and tune system and middleware performance to ensure availability, reliability, and operational efficiency
• Support secure and compliant system operations in accordance with cybersecurity and enterprise securit