An Instrument Supervisor manages the team, planning, and execution of installing, calibrating, maintaining, and troubleshooting industrial instrumentation and control systems, ensuring safety, accuracy, and efficiency by overseeing technicians, coordinating with other departments (Engineering/Operations), managing spare parts, planning turnarounds, and ensuring compliance with standards and documentation. Key duties involve team leadership, maintenance scheduling, technical support for DCS/PLC, calibration programs, shutdown support, and inventory control.