Job Title: CICS, MQ, and WAS System Programmer

Location: Plano, Texas

11+ years of experiene 

The CICS/MQ/WAS System Programmer is responsible for installing, configuring, maintaining, and supporting IBM CICS Transaction Server, IBM MQ, and IBM WebSphere Application Server environments on z/OS. The role ensures high availability, performance, security, and reliability of middleware platforms that support enterprise-critical applications.

Key ResponsibilitieS

CICS (Customer Information Control System)

• Install, upgrade, and maintain CICS Transaction Server on z/OS.
• Configure CICS regions, define resource definitions (RDO), and manage CPSM.
• Implement and support threadsafe, RLS, and CICSPlex configurations.
• Troubleshoot CICS transaction issues, abends, performance bottlenecks, and region failures.
• Apply maintenance (PTFs, APARs) and perform system tuning.

MQ (IBM Message Queue)

• Install, configure, and upgrade IBM MQ on z/OS.
• Create and manage queue managers, queues, channels, listeners, and clustering setups.
• Ensure MQ security (RACF), message encryption, and SSL/TLS configurations.
• Perform MQ monitoring, capacity planning, and problem resolution (dead-letter queues, channel failures).
• Support distributed MQ integration and multi-platform messaging.

WAS (WebSphere Application Server)

• Install, configure, and upgrade IBM WebSphere Application Server on z/OS or distributed platforms.
• Configure application servers, JVM tuning, data sources, and resource adapters.
• Manage fix packs, PTFs, and security patches.
• Troubleshoot application deployment issues, performance lags, JVM memory leaks, and SSL configurations.
• Support integration with MQ, CICS TG, and enterprise monitoring tools.

Cross-Platform Responsibilities

• Plan and execute middleware upgrades, migrations, and modernization initiatives.
• Implement high availability & disaster recovery solutions.
• Perform capacity planning, performance tuning, and automation (Rexx, JCL, Shell).
• Ensure compliance with security standards (RACF rules, auditing).
• Collaborate with application teams, DBAs, infrastructure, and operations teams.
• Provide 24x7 on-call support for critical middleware incidents.