The first official post was that of quaestor. Candidates had to be at least 30 years old. However, men of patrician rank could subtract two years from this and other minimum age requirements.
Twenty quaestors served in the financial administration at Rome or as second-in-command to a governor in the provinces. They could also serve as the paymaster for a legion. A young man who obtained this job was expected to become a very important official. An additional task of all quaestors was the supervision of public games. As a quaestor, an official was allowed to wear the toga praetexta, but was not escorted by lictors, nor did he possess imperium.
Read more about this topic: Cursus Honorum