Apartment building jobs fall into two primary categories: management and maintenance. If you decide to manage an apartment complex, your job involves things like ensuring a high occupancy rate, managing tenants, and collecting rent from residents. Managers also perform inspections to ensure the building's policies are being followed, use marketing techniques to attract new residents, perform background checks, deal with maintenance personnel, and provide reports to the building's owners. Apartment maintenance jobs involve identifying and fixing problems that are reported by residents. You can work as a maintenance personnel for many different types of apartments, but old or large units are more likely to have full-time maintenance staff.