Area(s) of Responsibility

Senior Macro Conversion Engineer

Remote

Fulltime

Role Summary

Serve as primary technical lead responsible for reverse engineering Rocket terminal emulator macros or VB (excel based macros) and converting them into 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

12+ years experience with:

• IBM 3270
• IBM 5250
• Terminal emulation platforms

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