Mainframe Developer

Mainframe DeveloperChoosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like, where you'll be supported and inspired by a collaborative community of colleagues around the world, and where you'll be able to reimagine what's possible. Join us and help the world's leading organizations unlock the value of technology and build a more sustainable, more inclusive world. Location: Hartford, CTExperience 12+ Years of Mainframe Application Development, Modernization, Reverse Engineering, and Legacy System Analysis. Role Summary We are seeking an experienced Senior Mainframe SME to lead the mainframe code analysis and reverse engineering phase of large-scale modernization and transformation programs. The candidate will provide deep technical expertise across IBM Mainframe technologies, collaborate with customer and internal stakeholders, and drive the successful assessment, understanding, and documentation of legacy applications.Key ResponsibilitiesProgram Leadership & GovernanceLead the overall code analysis and reverse engineering workstream for mainframe modernization programs.Define analysis strategies, deliverables, timelines, and governance processes.Provide technical leadership to architects, analysts, and development teams.Review project progress, risks, dependencies, and mitigation plans.Ensure quality and completeness of application discovery and documentation.Mainframe Code Analysis & Reverse EngineeringAnalyze and reverse engineer complex legacy applications to identify business processes, application functionality, and technical dependencies.Perform application inventory and portfolio assessment.Identify program-to-program, batch, online, database, and external interface dependencies.Derive business rules and functional workflows from legacy code.Create application architecture diagrams, data flow diagrams, and system documentation.Support automated and manual code discovery activities.Technical ExpertiseProvide SME guidance on IBM Mainframe technologies including: COBOL, JCL, CICS, DB2, IMS, and VSAM.Evaluate modernization, remediation, and migration approaches.Support application decomposition and target-state architecture discussions.Stakeholder CollaborationWork closely with customer SMEs, business users, architects, and modernization teams.Conduct technical workshops, requirement discussions, and knowledge transfer sessions.Present findings, recommendations, and analysis reports to leadership stakeholders.Act as the primary technical escalation point for mainframe-related issues.Documentation & ReportingProduce detailed analysis reports, dependency matrices, and application assessments.Document business processes, application architecture, interfaces, and data models.Prepare executive summaries and modernization recommendations.Maintain traceability between business functions and legacy code components.Required Skills & QualificationsStrong expertise in IBM Mainframe technologies.Extensive experience in COBOL, JCL, CICS, DB2, IMS, and VSAM.Deep understanding of batch and online processing environments.Experience with code analysis, reverse engineering, and application discovery tools.Strong knowledge of software development lifecycle (SDLC) and application modernization methodologies.Experience in legacy application assessment and transformation programs.