PHYSICAL DEMANDS : While performing the duties of this job, the employee is frequently required to stand; walk; sit; use hands to finger, handle, or feel; reach with hands and arms; climb or balance; and stoop, kneel, crouch, or crawl. ESSENTIAL DUTIES AND RESPONSIBILITIES : Diagnose and perform repairs on heavy equipment such as dozers, excavators, compactor, motor grader, forklift, water trucks, and all equipment on site as needed.