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Senior Mainframe Developer

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Location: Remote
Compensation: Hourly
Reviewed: Thu, Nov 05, 2026
This job expires in: 30 days

Job Summary

Supporting the modernization of legacy systems, the full-time Senior Mainframe Developer will focus on converting COBOL programs into SSIS packages, transitioning DB2 processes to SQL Server, and performing quality assurance testing in a remote environment.

Key Responsibilities
  • Support modernization of the Data Warehouse and convert legacy COBOL programs into SSIS packages
  • Assist with converting existing DB2 tables and processes into SQL Server
  • Develop, test, troubleshoot, and document application changes while performing unit and system testing
Required Qualifications
  • Minimum 7 years of application development lifecycle experience
  • Strong hands-on experience with COBOL and JCL (Job Control Language)
  • Experience with DB2 z/OS, including database performance knowledge
  • Familiarity with batch processing and SQL
  • Experience with C# .NET

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