💼 Full-Time Position

IBM z/OS mainframe Software Specialist

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NTT
📍 Plano, Texas, United States
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Location
Plano, United States
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Posted
June 19, 2026
⏰
Type
Full-Time
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Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

JOB DESCRIPTION

Req ID: 371888 

We are currently seeking a IBM z/OS mainframe Software Specialist to join our team in Plano, Texas (US-TX), United States (US).

Job Description:

Provide deep technical expertise across the IBM z/OS mainframe ecosystem, supporting legacy MMIS assessment, reverse engineering, and modernization initiatives. This role focuses on analyzing and stabilizing COBOL-based, DB2/IMS-backed, batch-driven systems, and enabling their transition to a modern, modular MES architecture.

Day to Day Job Duties:

Legacy System Analysis

  • Analyze end-to-end mainframe application landscape, including COBOL programs (online and batch) DB2, IMS databases.VSAM/GSAM file structures
  • Understand system flows across claims processing, Financial transactions Interfaces and batch cycles
  • Perform code and job flow walkthroughs to document current-state architecture

    • Reverse Engineering & Documentation

  • Ex...