Ability to build automation, services, test aids, and evidence-collection tooling using C#, PowerShell, CMD, or equivalent tools; strong technical writing, configuration-control, vendor-management, and field-troubleshooting skills. Control test configurations and evidence; document discrepancies, support root-cause analysis, define retests, track corrective actions, and maintain diagrams, matrices, data models, build records, procedures, manuals, and runbooks.