Mainframe zOS System Programmer
Maintec Technologies
Position Summary: Mainframe zOS System Programmer Job Description:
We are seeking an experienced z/OS System Programmer to join our mainframe team. The ideal candidate will have strong expertise in managing, maintaining, and upgrading IBM z/OS environments, with proven experience in performing z/OS product upgrades and related system enhancements.
Key Responsibilities:
We are seeking an experienced z/OS System Programmer to join our mainframe team. The ideal candidate will have strong expertise in managing, maintaining, and upgrading IBM z/OS environments, with proven experience in performing z/OS product upgrades and related system enhancements.
Key Responsibilities:
- Install, configure, and maintain IBM z/OS operating systems and related subsystems.
- Plan, coordinate, and execute z/OS product upgrades, including PTF (Program Temporary Fix) application and migration activities.
- Analyze system performance and troubleshoot issues related to z/OS and its components.
- Manage system parameters, configuration files, and system initialization procedures.
- Collaborate with application teams, network teams, and storage administrators to ensure smooth system operations.
- Develop and maintain system automation scripts and tools to improve operational efficiency.
- Monitor system logs and alerts, perform root cause analysis, and implement corrective actions.
- Maintain documentation related to system configurations, upgrade procedures, and operational guidelines.
- Ensure compliance with security policies and standards on the mainframe environment.
- Provide technical support and training to junior system programmers and other IT staff.
- Participate in disaster recovery planning and testing.
- Extensive experience with IBM z/OS operating system administration and system programming.
- Hands-on experience with z/OS product upgrades, including:
- Planning and scheduling upgrade activities.
- Applying PTFs and managing SMP/E (System Modification Program/Extended).
- Testing and validating system functionality post-upgrade.
- Coordinating with IBM support and vendors during upgrade cycles.
- Strong knowledge of z/OS components such as JES2/JES3, RACF, VTAM, TCP/IP, DFSMS, and JES.
- Experience with SMP/E for software maintenance and installation.
- Familiarity with mainframe hardware (IBM Z series) and related firmware upgrades.
- Proficient in JCL, REXX, CLIST, and other scripting languages used in mainframe environments.
- Good understanding of system security, backup, and recovery procedures.
- Excellent problem-solving skills and ability to work under pressure.
- Strong communication and teamwork skills.
- IBM z/OS System Programming certification.
- Experience with automation tools like Ansible or IBM Z Automation.
- Knowledge of z/OSMF (z/OS Management Facility).
- Experience with performance tuning and capacity planning.
Vacancy posted 4 days ago
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