Demo

Mainframe Programmer

InfoSmart Technologies, Inc
Hartford, CT Contractor
POSTED ON 6/10/2026
AVAILABLE BEFORE 7/9/2026

Role: Mainframe Systems Programmer

Duration: 6 Months

Location: Hartford, Connecticut (Locals preferred)

Client: State of Connecticut (CT DSS)



Local Candidates Onl


y
Seeking a highly experienced Mainframe Database Migration Specialist to support a critical, time-sensitive enterprise data migration initiative. The consultant will be responsible for analysing 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 timeline

s

. Key Responsibiliti

  • esAnalyze existing mainframe applications, databases, files, and batch processing workflows to support migration activitie
  • s.Design, develop, and execute data extraction processes from IMS databases and legacy mainframe data source
  • s.Create, modify, and support JCL required for data extracts, file transfers, conversion processing, and migration testin
  • g.Perform COBOL program analysis and code modifications to support data extraction, transformation, validation, and reconciliation requirement
  • s.Review and update FTP/SFTP processes to support secure transmission of migration files between source and target environment
  • s.Utilize IMS utilities and BMC Utilities for IMS to unload, extract, validate, and reconcile database conten
  • t.Develop and execute data validation and reconciliation procedures to ensure data integrity throughout the migration lifecycl
  • e.Support file mapping, field-level transformation logic, and data conversion specification
  • s.Troubleshoot batch failures, abends, data discrepancies, and performance issues related to migration processin
  • g.Collaborate with database administrators, architects, business analysts, and project teams to define migration requirements and resolve technical challenge
  • s.Create technical documentation, migration runbooks, implementation procedures, and production support documentatio
  • n.Participate in migration testing, system integration testing, user acceptance testing, and production implementation activitie
  • s.Provide production support during migration cutover and post-implementation stabilization period
  • s.Identify opportunities for automation using CLIST, REXX, File-AID, and other mainframe utilitie
  • s.Ensure compliance with enterprise change management, security, and audit requirement

s

. Required Qualificatio

  • ns10 years of Mainframe Development experienc
  • e.Expert-level COBOL programming experienc
  • e.Strong JCL development and troubleshooting skill
  • s.Extensive IMS Database experienc
  • e.Experience with BMC Utilities for IM
  • S.Experience developing large-scale data extracts and conversion processe
  • s.Strong understanding of FTP/SFTP file transfer methodologie
  • s.Proven experience supporting enterprise data migration or modernization initiative
  • s.Experience performing data analysis, reconciliation, and validatio
  • n.Ability to work independently with minimal supervision in a deadline-driven environmen

t

. Preferred Qualificatio

  • nsExperience with File-AI
  • D.Experience with EZtriev
  • e.Experience with CLIST and REXX automatio
  • n.Prior experience with legacy modernization or cloud migration project
  • s.Experience supporting financial services, insurance, healthcare, or government mainframe environment
  • s.Critical Success Facto
  • rsAbility to quickly assess complex legacy environment
  • s.Strong problem-solving and troubleshooting capabilitie
  • s.Excellent communication and documentation skill
  • s.Ability to meet aggressive deadlines and deliver high-quality migration solutions under tight timeline


s.

Hourly Wage Estimation for Mainframe Programmer in Hartford, CT
$39.00 to $52.00
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