Mainframe System Programmer
HCLTech
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Job summary
HCLTech in the United States is seeking an experienced Senior z/OS System Programmer to support enterprise Mainframe Infrastructure environments. The role demands deep expertise in z/OS system programming and related technologies.
You will install, configure, migrate, and maintain z/OS environments, manage CICS, DB2, RACF, and ISV products, and participate in 24x7 production support and change management.
Qualifications
- Proficiency in z/OS system programming and mainframe concepts.
- Experience with CICS, DB2, RACF and ISV products.
- Strong debugging and performance tuning skills.
Responsibilities
- Install, configure, migrate, and maintain z/OS environments.
- Support hardware/software upgrades and regular maintenance (RSUs).
- Manage CICS, DB2, MQ, RACF, JES, USS, and ISV products.
- Troubleshoot complex issues and perform root cause analysis.
- Monitor performance, capacity planning, and optimization.
- Participate in 24x7 production support and change management.
Skills
Job description
We are seeking an experienced Senior z/OS System Programmer to support enterprise Mainframe Infrastructure environments. The ideal candidate will have strong expertise in z/OS System Programming, CICS, DB2, RACF, Sysplex/GDPS, Performance & Capacity Management, Automation, and ISV Product Support.
- Installation, configuration, migration, and maintenance of z/OS environments
- Support hardware/software upgrades and regular maintenance (RSUs)
- Manage CICS, DB2, MQ, RACF, JES, USS, and ISV products
- Troubleshoot complex technical issues and perform root cause analysis
- Monitor system performance, capacity planning, and optimization
- Implement backup/recovery strategies and ensure SLA compliance
- Support automation and monitoring solutions across the enterprise
- Participate in 24x7 production support and change management activities
- JCL, REXX, CLIST, Assembly Language
- Mainframe Hardware, LPAR, HMC
- Capacity Management & Performance Engineering
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