A Mechanical Static Supervisor oversees the maintenance, inspection, and safe operation of non-rotating equipment (vessels, piping, tanks, etc.) in industries like Oil & Gas, ensuring compliance with safety/technical standards (API/ASME), managing technicians, planning work, coordinating teams, and controlling permits to minimize downtime and production disruption. Key duties involve technical guidance, work execution oversight, permit endorsement, and liaison with planning/QA teams for turnarounds and daily operations.