Plan, direct, or coordinate one or more administrative services of an organization, such as records and information management, mail distribution, facilities planning and maintenance, custodial operations, and other office support services.
Apply theory and principles of mechanical engineering to modify, develop, test, or calibrate machinery and equipment under direction of engineering staff or physical scientists.
Directly supervise and coordinate work activities of cleaning personnel in hotels, hospitals, offices, and other establishments.
Directly supervise and coordinate the activities of mechanics, installers, and repairers.