Complex sentence: His first job as rabbi was in a small synagogue in the Mahala quarter of Fălticeni, then, in May 1940 was appointed rabbi in the town of Suceava.
Split into simpler sentences: His first job as rabbi was in a small synagogue in the Mahala quarter of Fălticeni. Then, in May 1940 he was appointed rabbi in the town of Suceava.