A Mechanical Technician performs hands-on maintenance, repair, and testing of mechanical systems and equipment to ensure their proper and safe operation. Key duties include conducting routine maintenance, diagnosing and troubleshooting mechanical issues, installing and modifying equipment, collaborating with engineers on design improvements, and documenting activities. They work across diverse industries such as manufacturing, industrial, and transportation, and must adhere to strict safety protocols like Lockout/Tagout (LOTO).