Mainframe JCL Conversion Specialist (JCL to PowerShell)

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Job Summary:

We are seeking an experienced Mainframe JCL Expert to support a critical transformation initiative involving the conversion of legacy JCL (Job Control Language) scripts into PowerShell. The ideal candidate will have deep expertise in mainframe environments, strong understanding of batch processing, and familiarity with enterprise job scheduling tools. Exposure to PowerShell scripting and data sort utilities is highly desirable.

Key Responsibilities:

• Analyze, interpret, and document existing mainframe JCL scripts and batch workflows.

• Lead the conversion of JCL scripts into PowerShell scripts, ensuring functional equivalence and performance efficiency.

• Work closely with cross-functional teams to understand business logic embedded within JCL jobs.

• Re-engineer batch processing workflows for modern platforms while maintaining accuracy and reliability.

• Handle mainframe sort utilities (DFSort) and support migration to AHLSort or equivalent tools.

• Integrate and validate converted scripts with enterprise scheduling tools such as Automic, AutoSys, and Control-M.

• Perform unit testing, system testing, and support UAT for converted scripts.

• Troubleshoot and resolve issues during migration and post-migration phases.

• Ensure proper documentation of conversion processes, standards, and best practices.

• Collaborate with infrastructure and application teams during deployment and transition phases.

Required Skills & Qualifications:

• Strong expertise in Mainframe JCL (Job Control Language) – must have hands-on experience.

• Solid understanding of mainframe batch processing environments.

• Experience working with job scheduling tools such as Automic or AutoSys.

• Knowledge of Control-M is an added advantage.

• Good understanding of mainframe sort utilities (DFSort).

• Familiarity with migration to AHLSort or similar tools.

• Basic to intermediate knowledge of PowerShell scripting.

• Strong analytical and problem-solving skills.

• Ability to understand and translate legacy logic into modern scripting environments.

Preferred Qualifications:

• Experience in mainframe modernization or migration projects.

• Exposure to hybrid environments (mainframe to distributed systems).

• Understanding of enterprise IT operations and batch scheduling ecosystems.

• Prior experience in large-scale data or infrastructure transformation projects.

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