Maintenance Troubleshoots minor maintenance problems involving electrical, structural, plumbing, and equipment repair or replacement. Performs preventive building maintenance duties, caulks windows and doors, repairs and replaces broken windows. Performs routine plumbing repairs such as unstopping toilets, sinks or urinals, fixing water leaks, leaking faucets, and water fountains. Performs routine electrical repairs such as changing light bulbs or fluorescent lamps and assists in repairing ballast and light fixtures. Purchases supplies, equipment, and materials necessary to complete projects. Assembles and moves furniture, hangs bulletin boards, moves and sets up tables and chairs. Repairs and replaces door knobs or locks, repairs door closures, patches holes in walls. Paints interior and exterior walls.