A database administrator (or, DBA) is responsible for the installation, configuration, upgrade, administration, monitoring and maintenance of physical databases.
The role includes the development and design of database strategies, monitoring and improving database performance and capacity, and planning for future expansion requirements. They may also plan, co-ordinate and implement security measures to safeguard the database.
If you choose an educational/career pathway as a database administrator you could be employed by a computer systems design and related services firms, such as Internet service providers and data-processing firms. Other employers of database administrators are insurance companies and banks, both of which keep track of vast amounts of personal and financial data for their clients. Or, you could administer databases for retail companies that keep track of their buyers’ credit card and shipping information; or work for healthcare firms and manage patients’ medical records.