Demo

Mainframe Systems Programmer / Database Migration Specialist

Symbioun Technologies, Inc
Hartford, CT Contractor
POSTED ON 6/10/2026
AVAILABLE BEFORE 7/10/2026

Job Description:
We are seeking a highly experienced Mainframe Systems Programmer / Database Migration Specialist to support a large-scale enterprise data migration initiative. The consultant will be responsible for analyzing legacy mainframe environments, developing data extraction and conversion processes, modifying COBOL programs and JCL, and ensuring successful migration of IMS and other legacy data assets.

Responsibilities:
Analyze mainframe applications, databases, files, and batch workflows
Design and develop data extraction processes from IMS databases and legacy data sources
Create, modify, and support JCL for extracts, conversions, testing, and migration activities
Perform COBOL analysis, enhancements, and modifications for migration requirements
Support FTP/SFTP file transfer processes and migration workflows
Utilize IMS utilities and BMC Utilities for data extraction, validation, and reconciliation
Develop data validation and reconciliation procedures
Perform file mapping and field-level transformation activities
Troubleshoot batch failures, abends, and performance issues
Collaborate with technical teams to define and implement migration solutions
Create technical documentation, migration runbooks, and support procedures
Support SIT, UAT, production implementation, and post-production stabilization
Automate processes using CLIST, REXX, File-AID, and other mainframe tools where applicable

Required Skills:
Mainframe Development experience
Strong COBOL programming expertise
Advanced JCL development and troubleshooting skills
Extensive IMS Database experience
Experience with BMC Utilities for IMS
Data extraction, conversion, and migration experience
FTP/SFTP file transfer expertise
Data validation, reconciliation, and data integrity verification
Strong troubleshooting and problem-solving skills
Experience working independently in fast-paced environments

Preferred Skills:
File-AID
EZtrieve
CLIST
REXX
Legacy modernization initiatives
Cloud migration projects
Financial Services, Insurance, Healthcare, or Government domain experience

Hourly Wage Estimation for Mainframe Systems Programmer / Database Migration Specialist in Hartford, CT
$36.00 to $47.00
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