The employee will: be exposed to loud noises; exposed to hot, temperate, and inclement weather; sit, stand, walk, and move for prolonged periods; frequently bend, stoop, carry, climb, crawl, twist, reach, push/pull; perform heavy lifting (up to 50 lbs unassisted); work in an environment containing caustic chemicals, cleaning materials, dust and loud noises. ESSENTIAL RESPONSIBILITIES: With minimal direct supervision, performs minor and preventive maintenance on school plant, equipment, and grounds; custodial care, cleaning, and preservation tasks; operational tasks in support of school staff, i.e., movement and setup of furnishings and equipment and supplies; operation of plant systems for heating, lighting, security, and communications.