A Manufacturing Execution System (MES) job involves overseeing and managing software solutions that monitor, control, and optimize manufacturing processes on the shop floor. Professionals in this role ensure seamless data flow between production equipment, operators, and enterprise systems to improve efficiency, quality, and compliance. Responsibilities often include system implementation, configuration, troubleshooting, and continuous improvement initiatives. MES roles are crucial in industries like automotive, pharmaceuticals, and electronics, where real-time production tracking is essential.