Required Qualifications: Coursework/Training: 2 Year Trade School Degree or Certificate, Major Study: Vocational Training in mechanical, air conditioning, electrical, welding, automotive etc., combined with 3 years of experience with Commercial or Industrial building maintenance or. Together, our 120,000 caregivers (all employees) serve in over 50 hospitals, over 1,000 clinics and a full range of health and social services across Alaska, California, Montana, New Mexico, Oregon, Texas and Washington.