Hands-on experience with leading MES platforms (e.g., Critical Manufacturing, AVEVA, TrackSys, Rockwell FactoryTalk, GE Proficy, iBASEt, Tulip) and with custom-application (Microsoft Power Automate, Visio, microservices, event-driven, modern web/UX). ISA-95 / ISA-88 knowledge; SECS/GEM, OPC UA, APC/FDC, R2R, recipe management, dispatching/RTD, and genealogy/traceability; SAP integration patterns; modern cloud (Azure / AWS / GCP), containers, Kafka, MQTT Sparkplug B.