IBM z/OS mainframe Software Specialist

NTT

📍 Plano, Texas, United States 💼 Full-time 🕒 Posted June 19, 2026

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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...
            

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Job Details

Location Plano, Texas
Job Type Full-time
Category Computer Occupations
Posted Date June 19, 2026
Application Deadline July 29, 2026