Senior z/OS Mainframe System Programmer

Job Description

We are seeking a Senior Mainframe System Programmer with deep technical expertise and hands-on experience to join our clients high-performing IT infrastructure team. This is a critical role supporting enterprise-grade mainframe systems, tools, and application environments across distributed and host systems.Key Responsibilities:

• Lead the installation, upgrade, and customization of z/OS ISV software in a multi-system mainframe environment.

• Act as the primary SME for installing and maintaining:

  CA Suite of Products

  IBM Program Products

  IBM WebSphere MQ for z/OS

  SAS MXG

  Omegamon Suite & Boxscore

  Automation tools (SA/390, CA OPSMVS)

• Provide comprehensive support to Application Development, IT Infrastructure, Operations, and Production Support teams.

• Manage system performance, capacity planning, and hardware configuration to ensure high availability.

• Maintain Disaster Recovery (DR) readiness and participate in DR exercises.

• Use IBM and ISV support portals to manage issue tickets and resolutions.

• Proactively monitor systems and implement improvements to prevent downtime.

• Participate in 24x7 on-call rotations for critical support.

Required Skills & Experience:

• 10–20 years of experience as a z/OS Mainframe System Programmer.

• Expert knowledge of:

  JCL, JES2, DFSMS, DFHSM, DFDSS, SDSF, DFSORT

  TSO, ISPF/PDF

• Proficiency with scripting and programming languages such as REXX and COBOL.

• Strong working knowledge of:

  CA Technologies tools: CA-VIEW, CA-DELIVER, SYSVIEW, EASYTRIEVE, CA-1, CA-7

  EOS, FOLDERS, and additional ISV products

• Familiarity with UNIX/Linux, Windows, and optionally z/VM.

• Skilled in performance tuning, capacity management, and root-cause analysis.