A Mechanical Technicianinstalls, maintains, and repairs mechanical systems and equipment, troubleshooting issues, performing preventive maintenance, reading schematics, and working with engineers to ensure machinery runs efficiently and safely in various industries like manufacturing, transport, or HVAC. Key duties include diagnosing faults, assembling/disassembling components, calibrating settings, and using hand/power tools, while adhering to strict safety standards and documenting work.