Preferred Five (5) years' experience in related field, management and supervisory experience, extensive experience in HVAC systems, associated equipment, security systems including building access programs, security cameras, Facilities Scheduling, maintaining a Preventative Maintenance Program, inventory control, purchasing, school accounting and coding bills in a public school system. Experience: Required Five (5) years' experience in related field, management and supervisory experience, extensive experience in HVAC systems, associated equipment, security systems including building access programs, security cameras, Facilities Scheduling, maintaining a Preventative Maintenance Program, inventory control, purchasing, school accounting and coding bills.