Pros
It provides flexible working times, that's a one big plus; It is a fairly well payed position in comparison to the salary rates in Hungary. You are not included in any dressing code policy due to your environment is a academic area and major expectation from you is to fulfill the requirements of the position.
Cons
The drawbacks of the position mostly depends on the person who holds the manager position in the project you are involved. That's the biggest disadvantage because it is a very widely flexible depending on his/her expectations from the position. Although you are always under the protection of university's general rules and regulations it can become a frustrating experience in case that your working environment is not friendly or the project schedule is tightly arranged.