Mainframe MQ Systems Programmer (z/OS)

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We are hiring a Mainframe MQ Systems Programmer to support a large-scale z/OS environment, focused on IBM MQ administration, configuration, and system-level support.

This role is highly hands-on and involves MQ infrastructure ownership, including upgrades, performance, and integration across multiple applications.

What You Ll Do

MQ Administration & Support

• Provide day-to-day support for IBM MQ on z/OS across multiple applications
• Configure and manage:
• Queue Managers
• Queues
• Channels and other MQ objects
• Support application connectivity and troubleshoot messaging issues
  
  

System Programming & Upgrades

• Plan and execute MQ upgrades, maintenance, and patching
• Install and support z/OS and third-party (ISV) software
• Manage MQ environments within SYSPLEX / clustered configurations
• Support queue sharing groups for load balancing and high availability
  
  

Design & Integration

• Support MQ design, integration, and implementation across systems
• Collaborate with application and infrastructure teams on messaging solutions
• Contribute across the full software lifecycle (design delivery)
  
  

Performance & Optimization

• Monitor MQ performance and system health
• Perform tuning activities (SMF or similar tools preferred)
• Identify and resolve performance bottlenecks
  
  

What You Need

Core Requirements

• 5 10 years of experience with IBM MQ on z/OS
• Strong understanding of:
• Queue Managers, queues, channels
• MQ clustering and queue sharing groups
• Experience with:
• MQ installation, upgrades, and maintenance
• z/OS systems programming fundamentals
• Familiarity with:
• SYSPLEX environments
• RACF or ACF2 security
  

Technical Skills

• Experience with one or more:
• JCL, REXX
• Python, Java, or similar scripting languages (nice to have)
• Understanding of APIs, integration patterns, or modern architectures is a plus
  
  

Nice to Have

• Experience with MQ performance tuning (SMF or reporting tools)
• Exposure to automation tools (Ansible, zOSMF workflows)
• Understanding of cloud or hybrid environments
  
  

What Makes This Role Different

• Focus on core MQ on z/OS (not application development)
• Highly hands-on systems programming work
• Exposure to enterprise-scale messaging infrastructure
• Collaborative role across infrastructure and application teams
  
  

Important Notes

• This role is on-site in one of the listed locations
• Candidates must be comfortable working in a large, complex mainframe environment