TITLE: CUSTODIAN 180 Day Floater. QUALIFICATIONS. 1. Experience in the custodial trade preferred. 2. Knowledgeable of building infrastructure in particular boilers and/or heating, ventilation. and air conditioning units, and fire alarm and sprinkler systems with appropriate district. provided training. 3. Ability to assume custodial job related duties required of a physically demanding job. 4. Certification of good health signed by a medical prof...