Senior Mainframe Application DeveloperJob Description Required Qualifications and Technical Skills Minimum 7 years of application development lifecycle experience. Minimum 7 years of application development quality assurance testing experience. Strong hands-on experience with COBOL. Experience with JCL (Job Control Language). Experience with DB2 z/OS, including database performance knowledge. Strong SQL experience. Experience with C#.NET. Experience with batch processing. Experience performing unit testing and system testing. Experience with Azure DevOps (ADO). Ability to troubleshoot complex technical issues and work through ambiguous scenarios. Preferred Qualifications Accounting systems experience. Payroll systems experience. VSAM experience. Experience with financial, HR, or payroll ERP systems. Data warehouse modernization or legacy system conversion experience. Project Overview We are seeking an experienced Senior Mainframe Application Developer to support the Data Warehouse Modernization initiative. This project involves modernizing legacy mainframe applications and transitioning existing data warehouse processes and applications to a SQL Server-based environment. The selected candidate will support application development, legacy system conversion, database migration, and quality assurance testing. Key Responsibilities Support modernization of the Data Warehouse. Convert legacy COBOL programs into SSIS packages. Assist with converting existing DB2 tables and processes into SQL Server. Support conversion of JCL jobs into SQL Server agency jobs and schedules. Assist with converting existing ColdFusion applications to.NET. Develop, test, troubleshoot, and document application changes. Perform unit testing and system testing. Work with agency technical teams and business stakeholders.
