Mainframe Programmer

Senior Macro Conversion EngineerFulltime RoleRemoteRole SummaryServe as primary technical lead responsible for reverse engineering current macros and convert this to Rocket terminal emulator macros / IBM PCOMM-based automation solutions while preserving business functionality, performance, and output integrity.Key ResponsibilitiesMacro Analysis and ConversionAnalyze Rocket macro scripts and workflows.Reverse engineer business logic and process dependencies.Convert Rocket macros using:VBAVBScriptPowerShellPCOMM HACL AutomationEHLLAPI AutomationCOM Automation SolutionsMainframe Automation DevelopmentAutomate:Host navigationScreen recognitionProtected/unprotected fieldsFunction key processingFile transfersMulti-session operationsBatch processingReliability EngineeringReplace hard-coded delays with:Screen-ready checksCursor-position validationHost synchronization techniquesField readiness validationImplement:LoggingError handlingRetry mechanismsRecovery workflowsDocumentationCreate design documentation.Generate macro mapping documents.Support operational runbook development.Required Technical SkillsMainframe & Terminal EmulationDeep understanding of:Host sessionsPresentation spacesScreen attributesAID keysKeyboard mappingsPCOMM AutomationStrong experience in:IBM Personal Communications (PCOMM)EHLLAPIHACLCOM AutomationSession profile managementFile transfer configurationProgramming LanguagesAdvanced proficiency in:VBAVBScriptPreferred:PowerShellPythonC#Java