Description

We are looking for an experienced Mainframe z/OS Programmer to join our team and contribute to the development, maintenance, and optimization of mainframe systems. The ideal candidate will have in-depth knowledge of IBM z/OS operating systems, strong programming skills, and the ability to troubleshoot and resolve complex issues. This role requires collaboration with multiple teams to ensure the reliability and efficiency of mainframe-based business applications.

Key Responsibilities:

1. System Programming and Development:

   • Develop, enhance, and maintain mainframe applications using languages such as COBOL, JCL, REXX, and Assembler.
   • Design, code, test, and debug programs for IBM z/OS systems.
   • Implement system modifications and upgrades to enhance performance and functionality.

2. System Maintenance and Optimization:

   • Perform system performance tuning, capacity planning, and workload balancing.
   • Analyze and resolve issues related to z/OS operating systems, software, and hardware.
   • Monitor system logs and performance metrics to identify and address potential bottlenecks.

3. Installation and Configuration:

   • Install, configure, and maintain mainframe system software, such as DB2, CICS, IMS, and MQ.
   • Apply software patches and updates to ensure system security and stability.
   • Configure storage, memory, and networking for optimal system performance.

4. Troubleshooting and Issue Resolution:

   • Provide technical support for mainframe applications and systems.
   • Collaborate with operations teams to resolve system outages and critical issues.
   • Conduct root cause analysis and implement preventive measures for recurring problems.

5. Documentation and Process Improvement:

   • Create and maintain detailed technical documentation, including system configurations, programming standards, and troubleshooting guides.
   • Develop and refine best practices for system programming and maintenance.
   • Provide training and support to junior programmers and system administrators.

Qualifications:

Required Skills:

• Extensive experience in programming for IBM z/OS systems using COBOL, JCL, REXX, and Assembler.
• Strong knowledge of z/OS operating system internals, including storage management, workload automation, and security.
• Experience with mainframe subsystems such as DB2, CICS, IMS, and MQ.
• Proficiency in performance tuning, debugging, and problem resolution in a mainframe environment.
• Familiarity with tools such as ISPF, SDSF, TSO, and RACF.
• Excellent analytical, communication, and documentation skills.

Preferred Skills:

• Experience with disaster recovery planning and implementation.
• Knowledge of DevOps practices and automation tools for mainframe environments.
• Familiarity with encryption standards and data protection methods for mainframes.

Educational Requirements:

• Bachelor’s degree in Computer Science, Information Technology, or a related field.
• Certifications such as IBM Certified System Programmer or IBM Certified Application Developer are a plus.