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Mainframe zos | ScaleneWorks INC

full-time
Posted on September 4, 2025

Job Description

Mainframe zos

Job Summary

The Mainframe z/OS role is designed for an experienced professional with over 8 years of expertise in the installation, upgrade, and maintenance of z/OS and related products. This position is crucial for ensuring the reliability and performance of mainframe systems, contributing to the organization's operational efficiency and service delivery.

Responsibilities

  • Install, upgrade, and maintain z/OS and related CA/BMC products.
  • Utilize SMPE for effective software management and maintenance.
  • Perform installation and maintenance of program products.
  • Demonstrate proficiency in Assembler, Rexx, and CLIST.
  • Conduct system initialization and tuning for optimal performance.
  • Manage SYSPLEX environments and work with Hardware Configuration Definition (HCD) and Input/Output Definition Files (IODF).
  • Implement disaster recovery strategies and understand storage concepts.
  • Provide 24/7 on-call support to clients, ensuring high availability and reliability.

Qualifications

  • 8+ years of experience in mainframe environments.
  • Strong knowledge of z/OS, OS/390, JES2, SMP/E, SDSF, TSO/ISPF, JCL, USS, SMF, RMF, and PARMLIB/PROCLIB customization.
  • Familiarity with IBM utilities and specialty engines (processors) and their performance.
  • Understanding of ITIL processes and procedures.
  • Strong analytical and documentation skills.
  • Excellent communication and technical skills.
  • Team player with the ability to perform diagnostics and root cause analysis (RCA).
  • Educational qualifications: Bachelor's degree in Computer Science, Information Technology, or a related field.

Preferred Skills

  • Experience with disaster recovery planning and execution.
  • Knowledge of advanced storage concepts and management.

Experience

  • Minimum of 8 years of relevant experience in mainframe systems and z/OS environments.

Environment

  • Hybrid work mode, combining remote and in-office work settings.

Salary

  • Estimated salary range: 3,500,000.
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