However, a High School Diploma or High School Equivalent (HSE) and at least 5 years of experience in the operation and maintenance of steam-generating plants; steam, water, sewage, and electrical distribution systems; or general building maintenance, plus 4 years of supervisory experience in two or more of these areas, including experience applying the outlined knowledge, skills, and abilities in a similar role, may be considered. A Day in the Life: The essential elements of the job duties: Direct the operation of the powerhouse in determining work priorities, planning maintenance, construction, and repairs to ensure safe and efficient generation and distribution of steam and water systems.