Mainframe Programmer
Senior Macro Conversion Engineer Fulltime Role Remote Role Summary Serve 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 Responsibilities
Macro Analysis and Conversion Analyze Rocket macro scripts and workflows. Reverse engineer business logic and process dependencies. Convert Rocket macros using: VBA VBScript PowerShell PCOMM HACL Automation EHLLAPI Automation COM Automation Solutions Mainframe Automation Development Automate: Host navigation Screen recognition Protected/unprotected fields Function key processing File transfers Multi-session operations Batch processing Reliability Engineering Replace hard-coded delays with: Screen-ready checks Cursor-position validation Host synchronization techniques Field readiness validation Implement: Logging Error handling Retry mechanisms Recovery workflows Documentation Create design documentation. Generate macro mapping documents. Support operational runbook development. Required Technical Skills Mainframe & Terminal Emulation Deep understanding of: Host sessions Presentation spaces Screen attributes AID keys Keyboard mappings PCOMM Automation Strong experience in IBM Personal Communications (PCOMM) EHLLAPI HACL COM Automation Session profile management File transfer configuration Programming Languages Advanced proficiency in VBA VBScript Preferred: PowerShell Python C# Java