Mainframe Developer

KeyBank

📍 Remote, Oregon, United States

Full time Computer Occupations

Job Description

Location:

4910 Tiedeman Road, Brooklyn Ohio

We are seeking an experienced Mainframe Application Developer with strong expertise in IBM z/OS environments. The ideal candidate will be responsible for designing, developing, maintaining, and supporting mainframe applications, ensuring reliability, performance, and scalability of business-critical systems.
 

Key Responsibilities

  • Design, develop, test, and maintain applications on IBM Mainframe (z/OS platform).
  • Develop and maintain programs using COBOL, JCL, and DB2 (including Stored Procedures).
  • Work with VSAM datasets, file handling, and performance optimization.
  • Manage and support batch processing schedules using Tivoli Workload Scheduler (TWS).
  • Perform code management and version control using LCM (or similar tools).
  • Utilize SORT utilities for data manipulation and processing.
  • Develop and support online ...
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