Description. The Maintenance Supervisor performs light construction work and custodial functions, where after-hours coverage may be required, as well as the following. Carpentry: Remodel and repair work. Minor repairs of drywall including patching, texturing and painting drywall repairs. Replace and repair unit plumbing (toilets, faucets, or drains). Light electrical repairs to include replacing outlets and switches, bulbs, and light fixtures, et...