Date Posted: 06/09/2026
Hiring Organization: Rose International
Position Number: 502531
Industry: Government/Staffing
Job Title: Mainframe Systems Programmer
Job Location: Hartford, CT, USA, 06105
Work Model: Hybrid
Work Model Details: This is hybrid role.
Shift: 8am to 5pm
Employment Type: Temporary
FT/PT: Full-Time
Estimated Duration (In months): 8
Min Hourly Rate($): 50.00
Max Hourly Rate($): 60.00
Must Have Skills/Attributes: COBOL, Database, JCL, Mainframe
Experience Desired: Experience with File-AID (2 yrs); Experience with EZtrieve (2 yrs); Experience with CLIST and REXX automation (2 yrs); Prior experience with legacy modernization or cloud migration projects (2 yrs); Experience supporting financial services, insurance, healthcare, or government mainframe environme (2 yrs); Ability to meet aggressive deadlines and deliver high-quality migration solutions under tight time (2 yrs); Mainframe Development experience (10 yrs)
**C2C is not available**
Job Description
***Only qualified Mainframe Systems Programmer candidates located near the Hartford, CT area will be considered due to the role requiring an onsite presence ***
Required Skills:
• 10+ years of Mainframe Development experience
• Expert-level COBOL programming experience
• Strong JCL development and troubleshooting skills
• Extensive IMS Database experience
• Experience with BMC Utilities for IMS
• Experience developing large-scale data extracts and conversion processes
• Strong understanding of FTP/SFTP file transfer methodologies
• Proven experience supporting enterprise data migration or modernization initiatives
• Experience performing data analysis, reconciliation, and validation
• Ability to work independently with minimal supervision in a deadline-driven environment
Preferred Skills:
• Experience with File-AID
• Experience with EZtrieve
• Experience with CLIST and REXX automation
• Prior experience with legacy modernization or cloud migration projects
• Experience supporting financial services, insurance, healthcare, or government mainframe environments
Critical Success Factors:
• Ability to quickly assess complex legacy environments
• Strong problem-solving and troubleshooting capabilities
• Excellent communication and documentation skills
• Ability to meet aggressive deadlines and deliver high-quality migration solutions under tight timelines
About the role: Seeking a highly experienced Mainframe Database Migration Specialist to support a critical, time-sensitive enterprise data migration initiative. The consultant will be responsible for analyzing existing mainframe applications, developing extraction and conversion processes, modifying COBOL programs and JCL, and ensuring the successful migration of IMS and legacy data assets to target platforms. The ideal candidate will possess deep technical expertise and the ability to work independently in a fast-paced environment with aggressive project timelines.
Responsibilities:
• Analyze existing mainframe applications, databases, files, and batch processing workflows to support migration activities
• Design, develop, and execute data extraction processes from IMS databases and legacy mainframe data sources
• Create, modify, and support JCL required for data extracts, file transfers, conversion processing, and migration testing
• Perform COBOL program analysis and code modifications to support data extraction, transformation, validation, and reconciliation requirements
• Review and update FTP/SFTP processes to support secure transmission of migration files between source and target environments
• Utilize IMS utilities and BMC Utilities for IMS to unload, extract, validate, and reconcile database content
• Develop and execute data validation and reconciliation procedures to ensure data integrity throughout the migration lifecycle
• Support file mapping, field-level transformation logic, and data conversion specifications
• Troubleshoot batch failures, abends, data discrepancies, and performance issues related to migration processing
• Collaborate with database administrators, architects, business analysts, and project teams to define migration requirements and resolve technical challenges
• Create technical documentation, migration runbooks, implementation procedures, and production support documentation
• Participate in migration testing, system integration testing, user acceptance testing, and production implementation activities
• Provide production support during migration cutover and post-implementation stabilization periods
• Identify opportunities for automation using CLIST, REXX, File-AID, and other mainframe utilities
• Ensure compliance with enterprise change management, security, and audit requirements
- **Only those lawfully authorized to work in the designated country associated with the position will be considered.**
- **Please note that all Position start dates and duration are estimates and may be reduced or lengthened based upon a client’s business needs and requirements.**
Benefits:
For information and details on employment benefits offered with this position, please visit here. Should you have any questions/concerns, please contact our HR Department via our secure website.
California Pay Equity:
For information and details on pay equity laws in California, please visit the State of California Department of Industrial Relations' website here.
Rose International is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender (expression or identity), national origin, arrest and conviction records, disability, veteran status or any other characteristic protected by law. Positions located in San Francisco and Los Angeles, California will be administered in accordance with their respective Fair Chance Ordinances.
If you need assistance in completing this application, or during any phase of the application, interview, hiring, or employment process, whether due to a disability or otherwise, please contact our HR Department.
Rose International has an official agreement (ID #132522), effective June 30, 2008, with the U.S. Department of Homeland Security, U.S. Citizenship and Immigration Services, Employment Verification Program (E-Verify). (Posting required by OCGA 13/10-91.).
Rose International was not only attentive and responsive, but they were very professional and helpful whenever I called or needed any assistance.
Diane, Consultant
My on-boarding with Rose was outstanding. The packets of information, the process, and great attention to detail each person gave me allowed me to get started quickly.I appreciated each person's friendly and helpful attitude.
Diana, Consultant
It was great working for Rose International. Everyone was extremely helpful.
Rosann, Consultant
As a contractor, I have to say that Rose International was by far the best agency I have worked for.
Q'testdalir, Consultant
It is a great pleasure being a part of the Rose International Team.
Toni, Consultant
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