A BMS/SCADA Tech (Building Management System/Supervisory Control and Data Acquisition) designs, installs, programs, maintains, and troubleshoots integrated systems for monitoring and controlling critical building or industrial operations like HVAC, power, lighting, and security, focusing on efficiency, reliability, and automation using PLCs, HMIs, and protocols like BACnet and Modbus. Key duties include system configuration, network setup, fault diagnosis, performance optimization, documentation, and ensuring compliance with standards, requiring strong electrical/controls knowledge and problem-solving skills.