Job Functions. Porter service. Janitorial services. Diagnosis, maintenance and repair in areas such as HVAC, electrical, plumbing, lighting, painting, ceiling tiles, drywall repairs, roof repairs, and up keep of buildings and grounds. Inspects and ensures that all vacant spaces are well maintained and secure. JOB REQUIREMENTS. 3-5 years of relevant experience in all phases of commercial properties maintenance. Skilled in the care and use of tools...