Original: After 3 years as a civil servant in the Senate office of the Interior, Wowereit stood for election as municipal councillor in the Tempelhof district.
Simplified: After university Wowereit spent three years as a civil servant in the Senate Office (that is, Ministry) of the Interior. At the age of 30, he was became the youngest councillor in the city of Berlin when he was elected a councillor of Tempelhof Borough.